./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 4006e5bbc9a234a3363872bc2e5100c7378eec16240b7c8c65c17af0dd119109 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:02:14,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:02:14,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:02:14,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:02:14,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:02:14,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:02:14,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:02:14,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:02:14,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:02:14,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:02:14,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:02:14,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:02:14,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:02:14,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:02:14,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:02:14,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:02:14,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:02:14,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:02:14,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:02:14,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:02:14,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:02:14,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:02:14,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:02:14,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:02:14,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:02:14,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:02:14,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:02:14,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:02:14,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:02:14,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:02:14,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:02:14,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:02:14,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:02:14,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:02:14,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:02:14,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:02:14,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:02:14,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:02:14,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:02:14,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:02:14,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:02:14,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-02-21 03:02:14,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:02:14,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:02:14,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:02:14,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:02:14,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-21 03:02:14,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-21 03:02:14,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:02:14,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:02:14,433 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:02:14,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:02:14,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:02:14,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:02:14,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:02:14,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-21 03:02:14,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-21 03:02:14,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-21 03:02:14,435 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-02-21 03:02:14,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:02:14,435 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:02:14,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-21 03:02:14,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:02:14,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:02:14,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-21 03:02:14,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 03:02:14,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:02:14,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-21 03:02:14,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-21 03:02:14,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:02:14,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-21 03:02:14,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-21 03:02:14,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4006e5bbc9a234a3363872bc2e5100c7378eec16240b7c8c65c17af0dd119109 [2022-02-21 03:02:14,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:02:14,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:02:14,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:02:14,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:02:14,689 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:02:14,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2022-02-21 03:02:14,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6034f36/561293a36432438eb21a41b8d49da156/FLAGd4f24dcd1 [2022-02-21 03:02:15,114 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:02:15,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2022-02-21 03:02:15,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6034f36/561293a36432438eb21a41b8d49da156/FLAGd4f24dcd1 [2022-02-21 03:02:15,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6034f36/561293a36432438eb21a41b8d49da156 [2022-02-21 03:02:15,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:02:15,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:02:15,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:02:15,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:02:15,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:02:15,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4d8cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15, skipping insertion in model container [2022-02-21 03:02:15,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:02:15,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:02:15,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:02:15,337 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:02:15,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:02:15,375 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:02:15,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15 WrapperNode [2022-02-21 03:02:15,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:02:15,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:02:15,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:02:15,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:02:15,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,409 INFO L137 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-02-21 03:02:15,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:02:15,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:02:15,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:02:15,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:02:15,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:02:15,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:02:15,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:02:15,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:02:15,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (1/1) ... [2022-02-21 03:02:15,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 03:02:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:02:15,476 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) [2022-02-21 03:02:15,483 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 [2022-02-21 03:02:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:02:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:02:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:02:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:02:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:02:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:02:15,551 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:02:15,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:02:15,642 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:02:15,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:02:15,660 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:02:15,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:02:15 BoogieIcfgContainer [2022-02-21 03:02:15,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:02:15,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-21 03:02:15,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-21 03:02:15,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-21 03:02:15,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:02:15" (1/3) ... [2022-02-21 03:02:15,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c3e5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:02:15, skipping insertion in model container [2022-02-21 03:02:15,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:15" (2/3) ... [2022-02-21 03:02:15,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c3e5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:02:15, skipping insertion in model container [2022-02-21 03:02:15,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:02:15" (3/3) ... [2022-02-21 03:02:15,678 INFO L111 eAbstractionObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices.c [2022-02-21 03:02:15,683 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-21 03:02:15,693 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-21 03:02:15,746 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-21 03:02:15,753 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-21 03:02:15,753 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-21 03:02:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-02-21 03:02:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-02-21 03:02:15,781 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 03:02:15,781 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-02-21 03:02:15,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-02-21 03:02:15,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:02:15,786 INFO L85 PathProgramCache]: Analyzing trace with hash 28695845, now seen corresponding path program 1 times [2022-02-21 03:02:15,795 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:02:15,795 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413618726] [2022-02-21 03:02:15,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:02:15,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:02:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:02:16,047 INFO L290 TraceCheckUtils]: 0: Hoare triple {15#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {15#true} is VALID [2022-02-21 03:02:16,049 INFO L290 TraceCheckUtils]: 1: Hoare triple {15#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~mem2#1, main_#t~nondet3#1, main_#t~mem1#1, main_~#a~0#1.base, main_~#a~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4192);assume -2147483648 <= main_#t~nondet0#1 && main_#t~nondet0#1 <= 2147483647;call write~int(main_#t~nondet0#1, main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4);havoc main_#t~nondet0#1; {17#(<= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) (+ |ULTIMATE.start_main_~#a~0#1.offset| 8)) 2147483647)} is VALID [2022-02-21 03:02:16,050 INFO L290 TraceCheckUtils]: 2: Hoare triple {17#(<= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) (+ |ULTIMATE.start_main_~#a~0#1.offset| 8)) 2147483647)} call main_#t~mem1#1 := read~int(main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4); {17#(<= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) (+ |ULTIMATE.start_main_~#a~0#1.offset| 8)) 2147483647)} is VALID [2022-02-21 03:02:16,051 INFO L290 TraceCheckUtils]: 3: Hoare triple {17#(<= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) (+ |ULTIMATE.start_main_~#a~0#1.offset| 8)) 2147483647)} assume !!(main_#t~mem1#1 >= 0);havoc main_#t~mem1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4); {18#(<= |ULTIMATE.start_main_#t~mem2#1| 2147483647)} is VALID [2022-02-21 03:02:16,052 INFO L290 TraceCheckUtils]: 4: Hoare triple {18#(<= |ULTIMATE.start_main_#t~mem2#1| 2147483647)} assume !(main_#t~mem2#1 - 1 <= 2147483647); {16#false} is VALID [2022-02-21 03:02:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:02:16,054 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 03:02:16,054 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413618726] [2022-02-21 03:02:16,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413618726] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 03:02:16,055 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 03:02:16,055 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 03:02:16,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143305662] [2022-02-21 03:02:16,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 03:02:16,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-02-21 03:02:16,064 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 03:02:16,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-02-21 03:02:16,075 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:02:16,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-21 03:02:16,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 03:02:16,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-21 03:02:16,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-21 03:02:16,106 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-02-21 03:02:16,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:02:16,202 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-02-21 03:02:16,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-21 03:02:16,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-02-21 03:02:16,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 03:02:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-02-21 03:02:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-02-21 03:02:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-02-21 03:02:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-02-21 03:02:16,213 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 16 transitions. [2022-02-21 03:02:16,234 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:02:16,241 INFO L225 Difference]: With dead ends: 16 [2022-02-21 03:02:16,242 INFO L226 Difference]: Without dead ends: 7 [2022-02-21 03:02:16,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-21 03:02:16,249 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 03:02:16,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 03:02:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-02-21 03:02:16,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-02-21 03:02:16,277 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:02:16,278 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-02-21 03:02:16,279 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-02-21 03:02:16,279 INFO L87 Difference]: Start difference. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-02-21 03:02:16,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:02:16,281 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2022-02-21 03:02:16,281 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-02-21 03:02:16,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:02:16,282 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:02:16,282 INFO L74 IsIncluded]: Start isIncluded. First operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 7 states. [2022-02-21 03:02:16,283 INFO L87 Difference]: Start difference. First operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 7 states. [2022-02-21 03:02:16,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:02:16,284 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2022-02-21 03:02:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-02-21 03:02:16,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:02:16,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:02:16,285 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:02:16,285 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:02:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-02-21 03:02:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-02-21 03:02:16,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2022-02-21 03:02:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 03:02:16,291 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2022-02-21 03:02:16,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-02-21 03:02:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-02-21 03:02:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-21 03:02:16,292 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 03:02:16,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:02:16,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-21 03:02:16,293 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-02-21 03:02:16,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:02:16,297 INFO L85 PathProgramCache]: Analyzing trace with hash 889571241, now seen corresponding path program 1 times [2022-02-21 03:02:16,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:02:16,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372924822] [2022-02-21 03:02:16,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:02:16,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:02:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:02:16,400 INFO L290 TraceCheckUtils]: 0: Hoare triple {64#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {64#true} is VALID [2022-02-21 03:02:16,401 INFO L290 TraceCheckUtils]: 1: Hoare triple {64#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~mem2#1, main_#t~nondet3#1, main_#t~mem1#1, main_~#a~0#1.base, main_~#a~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4192);assume -2147483648 <= main_#t~nondet0#1 && main_#t~nondet0#1 <= 2147483647;call write~int(main_#t~nondet0#1, main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4);havoc main_#t~nondet0#1; {64#true} is VALID [2022-02-21 03:02:16,401 INFO L290 TraceCheckUtils]: 2: Hoare triple {64#true} call main_#t~mem1#1 := read~int(main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4); {66#(<= |ULTIMATE.start_main_#t~mem1#1| (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) (+ |ULTIMATE.start_main_~#a~0#1.offset| 8)))} is VALID [2022-02-21 03:02:16,402 INFO L290 TraceCheckUtils]: 3: Hoare triple {66#(<= |ULTIMATE.start_main_#t~mem1#1| (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) (+ |ULTIMATE.start_main_~#a~0#1.offset| 8)))} assume !!(main_#t~mem1#1 >= 0);havoc main_#t~mem1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, 8 + main_~#a~0#1.offset, 4); {67#(<= 0 |ULTIMATE.start_main_#t~mem2#1|)} is VALID [2022-02-21 03:02:16,415 INFO L290 TraceCheckUtils]: 4: Hoare triple {67#(<= 0 |ULTIMATE.start_main_#t~mem2#1|)} assume main_#t~mem2#1 - 1 <= 2147483647; {67#(<= 0 |ULTIMATE.start_main_#t~mem2#1|)} is VALID [2022-02-21 03:02:16,417 INFO L290 TraceCheckUtils]: 5: Hoare triple {67#(<= 0 |ULTIMATE.start_main_#t~mem2#1|)} assume !(main_#t~mem2#1 - 1 >= -2147483648); {65#false} is VALID [2022-02-21 03:02:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:02:16,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 03:02:16,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372924822] [2022-02-21 03:02:16,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372924822] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 03:02:16,418 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 03:02:16,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 03:02:16,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464447651] [2022-02-21 03:02:16,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 03:02:16,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-02-21 03:02:16,420 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 03:02:16,420 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-02-21 03:02:16,426 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:02:16,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-21 03:02:16,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 03:02:16,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-21 03:02:16,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-21 03:02:16,428 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-02-21 03:02:16,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:02:16,455 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2022-02-21 03:02:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-21 03:02:16,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-02-21 03:02:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 03:02:16,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-02-21 03:02:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-02-21 03:02:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-02-21 03:02:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-02-21 03:02:16,458 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 7 transitions. [2022-02-21 03:02:16,466 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:02:16,466 INFO L225 Difference]: With dead ends: 7 [2022-02-21 03:02:16,467 INFO L226 Difference]: Without dead ends: 0 [2022-02-21 03:02:16,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-21 03:02:16,472 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 03:02:16,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 03:02:16,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-21 03:02:16,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-21 03:02:16,477 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:02:16,477 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:02:16,477 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:02:16,477 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:02:16,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:02:16,478 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-21 03:02:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:02:16,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:02:16,478 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:02:16,479 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-02-21 03:02:16,479 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-02-21 03:02:16,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:02:16,479 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-21 03:02:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:02:16,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:02:16,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:02:16,480 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:02:16,480 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:02:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:02:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-21 03:02:16,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-02-21 03:02:16,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 03:02:16,481 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:02:16,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-02-21 03:02:16,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:02:16,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:02:16,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-02-21 03:02:16,485 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-02-21 03:02:16,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-21 03:02:16,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-21 03:02:16,498 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-02-21 03:02:16,498 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-21 03:02:16,498 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-21 03:02:16,500 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-02-21 03:02:16,500 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-21 03:02:16,500 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-21 03:02:16,501 INFO L861 garLoopResultBuilder]: At program point L17(lines 8 18) the Hoare annotation is: true [2022-02-21 03:02:16,501 INFO L858 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-02-21 03:02:16,501 INFO L858 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-02-21 03:02:16,502 INFO L858 garLoopResultBuilder]: For program point L13-1(lines 13 16) no Hoare annotation was computed. [2022-02-21 03:02:16,502 INFO L854 garLoopResultBuilder]: At program point L13-3(lines 13 16) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) (+ |ULTIMATE.start_main_~#a~0#1.offset| 8)) 2147483647) [2022-02-21 03:02:16,502 INFO L858 garLoopResultBuilder]: For program point L13-4(lines 13 16) no Hoare annotation was computed. [2022-02-21 03:02:16,507 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-21 03:02:16,509 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-21 03:02:16,516 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-21 03:02:16,516 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-21 03:02:16,517 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2022-02-21 03:02:16,517 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2022-02-21 03:02:16,517 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2022-02-21 03:02:16,517 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2022-02-21 03:02:16,517 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2022-02-21 03:02:16,517 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-21 03:02:16,517 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-02-21 03:02:16,518 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2022-02-21 03:02:16,518 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-21 03:02:16,518 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2022-02-21 03:02:16,518 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2022-02-21 03:02:16,518 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-21 03:02:16,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:02:16 BoogieIcfgContainer [2022-02-21 03:02:16,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-21 03:02:16,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:02:16,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:02:16,527 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:02:16,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:02:15" (3/4) ... [2022-02-21 03:02:16,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-21 03:02:16,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-02-21 03:02:16,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-02-21 03:02:16,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-21 03:02:16,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-21 03:02:16,570 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 03:02:16,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:02:16,572 INFO L158 Benchmark]: Toolchain (without parser) took 1417.55ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 71.3MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:02:16,572 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:02:16,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.96ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 81.4MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:02:16,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.70ms. Allocated memory is still 104.9MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:02:16,573 INFO L158 Benchmark]: Boogie Preprocessor took 31.74ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:02:16,573 INFO L158 Benchmark]: RCFGBuilder took 228.14ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 69.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:02:16,573 INFO L158 Benchmark]: TraceAbstraction took 853.87ms. Allocated memory is still 104.9MB. Free memory was 68.6MB in the beginning and 73.4MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:02:16,574 INFO L158 Benchmark]: Witness Printer took 43.61ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:02:16,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.96ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 81.4MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.70ms. Allocated memory is still 104.9MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.74ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 228.14ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 69.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 853.87ms. Allocated memory is still 104.9MB. Free memory was 68.6MB in the beginning and 73.4MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.61ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 71.3MB 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 - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 8 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[a][a + 8] <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-02-21 03:02:16,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE