./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loops/sum_array-2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/sum_array-2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e94a2410b8f9c85a45197b99fd856588e050ecf98cb4c3bee10ba4be0dc2732 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 08:27:25,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 08:27:25,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 08:27:25,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 08:27:25,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 08:27:25,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 08:27:25,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 08:27:25,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 08:27:25,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 08:27:25,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 08:27:25,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 08:27:25,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 08:27:25,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 08:27:25,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 08:27:25,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 08:27:25,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 08:27:25,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 08:27:25,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 08:27:25,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 08:27:25,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 08:27:25,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 08:27:25,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 08:27:25,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 08:27:25,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 08:27:25,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 08:27:25,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 08:27:25,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 08:27:25,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 08:27:25,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 08:27:25,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 08:27:25,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 08:27:25,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 08:27:25,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 08:27:25,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 08:27:25,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 08:27:25,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 08:27:25,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 08:27:25,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 08:27:25,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 08:27:25,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 08:27:25,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 08:27:25,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-18 08:27:25,379 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 08:27:25,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 08:27:25,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 08:27:25,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 08:27:25,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 08:27:25,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 08:27:25,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 08:27:25,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 08:27:25,382 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 08:27:25,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 08:27:25,382 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 08:27:25,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 08:27:25,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 08:27:25,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 08:27:25,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 08:27:25,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 08:27:25,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 08:27:25,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 08:27:25,383 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 08:27:25,383 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 08:27:25,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 08:27:25,384 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 08:27:25,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 08:27:25,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 08:27:25,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 08:27:25,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 08:27:25,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 08:27:25,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 08:27:25,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 08:27:25,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 08:27:25,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 08:27:25,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 08:27:25,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 08:27:25,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 08:27:25,385 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 08:27:25,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 08:27:25,386 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 08:27:25,386 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e94a2410b8f9c85a45197b99fd856588e050ecf98cb4c3bee10ba4be0dc2732 [2023-02-18 08:27:25,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 08:27:25,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 08:27:25,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 08:27:25,662 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 08:27:25,663 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 08:27:25,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum_array-2-1.i [2023-02-18 08:27:26,577 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 08:27:26,725 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 08:27:26,725 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-1.i [2023-02-18 08:27:26,741 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ccb596c4/82c70c073b304908a6ec4d940dd720f9/FLAG1f6a2c386 [2023-02-18 08:27:26,753 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ccb596c4/82c70c073b304908a6ec4d940dd720f9 [2023-02-18 08:27:26,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 08:27:26,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 08:27:26,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 08:27:26,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 08:27:26,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 08:27:26,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:26,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c71143b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26, skipping insertion in model container [2023-02-18 08:27:26,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:26,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 08:27:26,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 08:27:26,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-1.i[940,953] [2023-02-18 08:27:26,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:27:26,915 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 08:27:26,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-1.i[940,953] [2023-02-18 08:27:26,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:27:26,955 INFO L208 MainTranslator]: Completed translation [2023-02-18 08:27:26,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26 WrapperNode [2023-02-18 08:27:26,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 08:27:26,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 08:27:26,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 08:27:26,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 08:27:26,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:26,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:26,998 INFO L138 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-02-18 08:27:26,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 08:27:26,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 08:27:26,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 08:27:27,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 08:27:27,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 08:27:27,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 08:27:27,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 08:27:27,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 08:27:27,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (1/1) ... [2023-02-18 08:27:27,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 08:27:27,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:27:27,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 08:27:27,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 08:27:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 08:27:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 08:27:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-18 08:27:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-18 08:27:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 08:27:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 08:27:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-18 08:27:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-18 08:27:27,146 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 08:27:27,148 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 08:27:27,370 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 08:27:27,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 08:27:27,381 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-18 08:27:27,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:27:27 BoogieIcfgContainer [2023-02-18 08:27:27,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 08:27:27,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 08:27:27,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 08:27:27,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 08:27:27,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 08:27:26" (1/3) ... [2023-02-18 08:27:27,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fd37ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:27:27, skipping insertion in model container [2023-02-18 08:27:27,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:27:26" (2/3) ... [2023-02-18 08:27:27,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fd37ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:27:27, skipping insertion in model container [2023-02-18 08:27:27,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:27:27" (3/3) ... [2023-02-18 08:27:27,391 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array-2-1.i [2023-02-18 08:27:27,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 08:27:27,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-18 08:27:27,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 08:27:27,458 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@9f9c2ea, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 08:27:27,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-18 08:27:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:27:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 08:27:27,465 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:27:27,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:27:27,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:27:27,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:27:27,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1623807764, now seen corresponding path program 1 times [2023-02-18 08:27:27,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:27:27,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032217453] [2023-02-18 08:27:27,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:27:27,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:27:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:27:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:27:27,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:27:27,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032217453] [2023-02-18 08:27:27,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032217453] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:27:27,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:27:27,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 08:27:27,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226915747] [2023-02-18 08:27:27,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:27:27,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-18 08:27:27,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:27:27,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-18 08:27:27,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 08:27:27,615 INFO L87 Difference]: Start difference. First operand has 31 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:27:27,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:27:27,626 INFO L93 Difference]: Finished difference Result 56 states and 74 transitions. [2023-02-18 08:27:27,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-18 08:27:27,627 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-18 08:27:27,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:27:27,632 INFO L225 Difference]: With dead ends: 56 [2023-02-18 08:27:27,632 INFO L226 Difference]: Without dead ends: 26 [2023-02-18 08:27:27,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 08:27:27,636 INFO L413 NwaCegarLoop]: 37 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, 37 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 [2023-02-18 08:27:27,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:27:27,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-02-18 08:27:27,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-02-18 08:27:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:27:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2023-02-18 08:27:27,656 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 9 [2023-02-18 08:27:27,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:27:27,657 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2023-02-18 08:27:27,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:27:27,657 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-02-18 08:27:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 08:27:27,658 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:27:27,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:27:27,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 08:27:27,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:27:27,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:27:27,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1308887103, now seen corresponding path program 1 times [2023-02-18 08:27:27,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:27:27,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694025382] [2023-02-18 08:27:27,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:27:27,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:27:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:27:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:27:27,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:27:27,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694025382] [2023-02-18 08:27:27,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694025382] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:27:27,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:27:27,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 08:27:27,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436822034] [2023-02-18 08:27:27,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:27:27,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:27:27,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:27:27,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:27:27,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:27:27,882 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:27:27,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:27:27,951 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2023-02-18 08:27:27,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:27:27,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-18 08:27:27,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:27:27,955 INFO L225 Difference]: With dead ends: 71 [2023-02-18 08:27:27,955 INFO L226 Difference]: Without dead ends: 46 [2023-02-18 08:27:27,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:27:27,956 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 25 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:27:27,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 44 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:27:27,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-02-18 08:27:27,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2023-02-18 08:27:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.28) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:27:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2023-02-18 08:27:27,965 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 9 [2023-02-18 08:27:27,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:27:27,966 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2023-02-18 08:27:27,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:27:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-02-18 08:27:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-18 08:27:27,967 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:27:27,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:27:27,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 08:27:27,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:27:27,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:27:27,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1639772520, now seen corresponding path program 1 times [2023-02-18 08:27:27,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:27:27,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155982823] [2023-02-18 08:27:27,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:27:27,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:27:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:27:28,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 08:27:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:27:28,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 08:27:28,115 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-18 08:27:28,116 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-18 08:27:28,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-18 08:27:28,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-18 08:27:28,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-18 08:27:28,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 08:27:28,121 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-18 08:27:28,124 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 08:27:28,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 08:27:28 BoogieIcfgContainer [2023-02-18 08:27:28,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 08:27:28,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 08:27:28,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 08:27:28,152 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 08:27:28,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:27:27" (3/4) ... [2023-02-18 08:27:28,153 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-18 08:27:28,199 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 08:27:28,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 08:27:28,200 INFO L158 Benchmark]: Toolchain (without parser) took 1443.60ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 97.0MB in the beginning and 98.1MB in the end (delta: -1.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-02-18 08:27:28,201 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:27:28,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.89ms. Allocated memory is still 123.7MB. Free memory was 97.0MB in the beginning and 85.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 08:27:28,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.94ms. Allocated memory is still 123.7MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 08:27:28,201 INFO L158 Benchmark]: Boogie Preprocessor took 38.35ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:27:28,201 INFO L158 Benchmark]: RCFGBuilder took 347.92ms. Allocated memory is still 123.7MB. Free memory was 82.2MB in the beginning and 69.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-18 08:27:28,202 INFO L158 Benchmark]: TraceAbstraction took 763.65ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 69.1MB in the beginning and 100.2MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:27:28,202 INFO L158 Benchmark]: Witness Printer took 47.84ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 08:27:28,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.89ms. Allocated memory is still 123.7MB. Free memory was 97.0MB in the beginning and 85.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.94ms. Allocated memory is still 123.7MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.35ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.92ms. Allocated memory is still 123.7MB. Free memory was 82.2MB in the beginning and 69.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 763.65ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 69.1MB in the beginning and 100.2MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.84ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 42]: integer overflow possible integer overflow possible We found a FailurePath: [L27] unsigned int M = __VERIFIER_nondet_uint(); [L28] COND FALSE !(M > 1000000) [L31] int A[M], B[M], C[M]; [L32] unsigned int i; [L33] i=0 VAL [A={6:0}, B={3:0}, C={5:0}, i=0, M=1] [L33] COND TRUE i