./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaC7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e8d55036 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/termination-restricted-15/PastaC7.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 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 23:06:00,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 23:06:00,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 23:06:00,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 23:06:00,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 23:06:00,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 23:06:00,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 23:06:00,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 23:06:00,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 23:06:00,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 23:06:00,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 23:06:00,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 23:06:00,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 23:06:00,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 23:06:00,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 23:06:00,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 23:06:00,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 23:06:00,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 23:06:00,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 23:06:00,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 23:06:00,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 23:06:00,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 23:06:00,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 23:06:00,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 23:06:00,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 23:06:00,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 23:06:00,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 23:06:00,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 23:06:00,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 23:06:00,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 23:06:00,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 23:06:00,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 23:06:00,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 23:06:00,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 23:06:00,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 23:06:00,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 23:06:00,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 23:06:00,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 23:06:00,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 23:06:00,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 23:06:00,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 23:06:00,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 23:06:00,325 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 23:06:00,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 23:06:00,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 23:06:00,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 23:06:00,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 23:06:00,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 23:06:00,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 23:06:00,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 23:06:00,330 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 23:06:00,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 23:06:00,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 23:06:00,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 23:06:00,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 23:06:00,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 23:06:00,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 23:06:00,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 23:06:00,333 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 23:06:00,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 23:06:00,333 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 23:06:00,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 23:06:00,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 23:06:00,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 23:06:00,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 23:06:00,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 23:06:00,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 23:06:00,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 23:06:00,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 23:06:00,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 23:06:00,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 23:06:00,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 23:06:00,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 23:06:00,336 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 23:06:00,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 23:06:00,337 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 23:06:00,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95843418c183b3230e10891e454500bf057d0efd9a107bb446b5d49809d39de3 [2023-02-15 23:06:00,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 23:06:00,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 23:06:00,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 23:06:00,634 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 23:06:00,634 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 23:06:00,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaC7.c [2023-02-15 23:06:01,718 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 23:06:01,880 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 23:06:01,881 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaC7.c [2023-02-15 23:06:01,885 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7558d945a/10d3a4ee18a44f75aa16c931db38250d/FLAG2b5866a1c [2023-02-15 23:06:01,900 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7558d945a/10d3a4ee18a44f75aa16c931db38250d [2023-02-15 23:06:01,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 23:06:01,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 23:06:01,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 23:06:01,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 23:06:01,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 23:06:01,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:06:01" (1/1) ... [2023-02-15 23:06:01,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01f677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:01, skipping insertion in model container [2023-02-15 23:06:01,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:06:01" (1/1) ... [2023-02-15 23:06:01,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 23:06:01,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 23:06:02,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:06:02,048 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 23:06:02,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:06:02,071 INFO L208 MainTranslator]: Completed translation [2023-02-15 23:06:02,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02 WrapperNode [2023-02-15 23:06:02,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 23:06:02,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 23:06:02,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 23:06:02,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 23:06:02,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,100 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-02-15 23:06:02,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 23:06:02,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 23:06:02,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 23:06:02,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 23:06:02,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 23:06:02,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 23:06:02,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 23:06:02,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 23:06:02,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (1/1) ... [2023-02-15 23:06:02,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 23:06:02,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:06:02,142 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) [2023-02-15 23:06:02,145 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 [2023-02-15 23:06:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 23:06:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 23:06:02,245 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 23:06:02,247 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 23:06:02,371 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 23:06:02,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 23:06:02,380 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 23:06:02,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:06:02 BoogieIcfgContainer [2023-02-15 23:06:02,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 23:06:02,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 23:06:02,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 23:06:02,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 23:06:02,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:06:01" (1/3) ... [2023-02-15 23:06:02,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fecc3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:06:02, skipping insertion in model container [2023-02-15 23:06:02,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:06:02" (2/3) ... [2023-02-15 23:06:02,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fecc3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:06:02, skipping insertion in model container [2023-02-15 23:06:02,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:06:02" (3/3) ... [2023-02-15 23:06:02,398 INFO L112 eAbstractionObserver]: Analyzing ICFG PastaC7.c [2023-02-15 23:06:02,414 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 23:06:02,414 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-15 23:06:02,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 23:06:02,464 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;@3ebf53b0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 23:06:02,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-15 23:06:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 10 states have (on average 1.6) internal successors, (16), 14 states have internal predecessors, (16), 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) [2023-02-15 23:06:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-15 23:06:02,485 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:02,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-15 23:06:02,486 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)] === [2023-02-15 23:06:02,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2023-02-15 23:06:02,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:02,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389562311] [2023-02-15 23:06:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:02,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:02,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:02,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389562311] [2023-02-15 23:06:02,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389562311] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:02,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:02,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:06:02,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407957869] [2023-02-15 23:06:02,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:02,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:06:02,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:02,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:06:02,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:06:02,697 INFO L87 Difference]: Start difference. First operand has 15 states, 10 states have (on average 1.6) internal successors, (16), 14 states have internal predecessors, (16), 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 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-02-15 23:06:02,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:02,728 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2023-02-15 23:06:02,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:06:02,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2023-02-15 23:06:02,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:02,736 INFO L225 Difference]: With dead ends: 19 [2023-02-15 23:06:02,736 INFO L226 Difference]: Without dead ends: 10 [2023-02-15 23:06:02,738 INFO L412 NwaCegarLoop]: 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 [2023-02-15 23:06:02,741 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 22 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:02,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:02,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-02-15 23:06:02,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-15 23:06:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 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) [2023-02-15 23:06:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-02-15 23:06:02,768 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4 [2023-02-15 23:06:02,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:02,769 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-02-15 23:06:02,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-02-15 23:06:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-02-15 23:06:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 23:06:02,770 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:02,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 23:06:02,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 23:06:02,770 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 23:06:02,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:02,771 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2023-02-15 23:06:02,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:02,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972612048] [2023-02-15 23:06:02,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:02,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:02,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:02,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972612048] [2023-02-15 23:06:02,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972612048] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:02,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:02,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:06:02,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010931775] [2023-02-15 23:06:02,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:02,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:06:02,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:02,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:06:02,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:06:02,864 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. 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) [2023-02-15 23:06:02,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:02,905 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2023-02-15 23:06:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:06:02,906 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 [2023-02-15 23:06:02,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:02,906 INFO L225 Difference]: With dead ends: 11 [2023-02-15 23:06:02,907 INFO L226 Difference]: Without dead ends: 9 [2023-02-15 23:06:02,907 INFO L412 NwaCegarLoop]: 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 [2023-02-15 23:06:02,911 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:02,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-02-15 23:06:02,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-02-15 23:06:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-02-15 23:06:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-02-15 23:06:02,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2023-02-15 23:06:02,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:02,920 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-02-15 23:06:02,921 INFO L496 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) [2023-02-15 23:06:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-02-15 23:06:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 23:06:02,921 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:02,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 23:06:02,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 23:06:02,923 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 23:06:02,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:02,932 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2023-02-15 23:06:02,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:02,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691682156] [2023-02-15 23:06:02,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:03,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:03,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691682156] [2023-02-15 23:06:03,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691682156] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:06:03,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:06:03,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:06:03,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071367409] [2023-02-15 23:06:03,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:06:03,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:06:03,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:03,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:06:03,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:06:03,015 INFO L87 Difference]: Start difference. First operand 8 states and 8 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) [2023-02-15 23:06:03,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:03,046 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-02-15 23:06:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:06:03,051 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 [2023-02-15 23:06:03,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:03,052 INFO L225 Difference]: With dead ends: 13 [2023-02-15 23:06:03,052 INFO L226 Difference]: Without dead ends: 12 [2023-02-15 23:06:03,053 INFO L412 NwaCegarLoop]: 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 [2023-02-15 23:06:03,054 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 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 [2023-02-15 23:06:03,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:03,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-02-15 23:06:03,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-02-15 23:06:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-02-15 23:06:03,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-02-15 23:06:03,060 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2023-02-15 23:06:03,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:03,060 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-02-15 23:06:03,060 INFO L496 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) [2023-02-15 23:06:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-02-15 23:06:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 23:06:03,067 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:06:03,068 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:06:03,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 23:06:03,068 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 23:06:03,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:06:03,069 INFO L85 PathProgramCache]: Analyzing trace with hash -852139857, now seen corresponding path program 1 times [2023-02-15 23:06:03,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:06:03,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99390803] [2023-02-15 23:06:03,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:03,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:06:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:03,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:06:03,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99390803] [2023-02-15 23:06:03,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99390803] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:06:03,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547822506] [2023-02-15 23:06:03,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:06:03,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:06:03,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:06:03,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:06:03,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 23:06:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:06:03,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 23:06:03,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:06:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:03,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:06:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:06:03,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547822506] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:06:03,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:06:03,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-02-15 23:06:03,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437408978] [2023-02-15 23:06:03,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:06:03,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-15 23:06:03,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:06:03,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-15 23:06:03,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-02-15 23:06:03,337 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 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) [2023-02-15 23:06:03,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:06:03,414 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-02-15 23:06:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 23:06:03,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 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 11 [2023-02-15 23:06:03,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:06:03,415 INFO L225 Difference]: With dead ends: 14 [2023-02-15 23:06:03,416 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 23:06:03,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2023-02-15 23:06:03,417 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 11 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:06:03,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 7 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:06:03,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 23:06:03,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 23:06:03,419 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) [2023-02-15 23:06:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 23:06:03,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2023-02-15 23:06:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:06:03,421 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 23:06:03,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 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) [2023-02-15 23:06:03,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 23:06:03,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 23:06:03,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-15 23:06:03,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-15 23:06:03,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-15 23:06:03,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-15 23:06:03,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-15 23:06:03,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:06:03,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 23:06:03,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-02-15 23:06:03,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 23:06:03,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2023-02-15 23:06:03,674 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2023-02-15 23:06:03,674 INFO L899 garLoopResultBuilder]: For program point L17-1(line 17) no Hoare annotation was computed. [2023-02-15 23:06:03,674 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 23:06:03,674 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 21) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648))) [2023-02-15 23:06:03,675 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 23:06:03,675 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-02-15 23:06:03,675 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2023-02-15 23:06:03,675 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 23:06:03,675 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2023-02-15 23:06:03,676 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2023-02-15 23:06:03,676 INFO L895 garLoopResultBuilder]: At program point L14-2(lines 14 18) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647)) [2023-02-15 23:06:03,676 INFO L899 garLoopResultBuilder]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2023-02-15 23:06:03,679 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-02-15 23:06:03,684 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 23:06:03,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 11:06:03 BoogieIcfgContainer [2023-02-15 23:06:03,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 23:06:03,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 23:06:03,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 23:06:03,700 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 23:06:03,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:06:02" (3/4) ... [2023-02-15 23:06:03,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 23:06:03,714 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 23:06:03,717 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 23:06:03,718 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 23:06:03,740 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 23:06:03,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 23:06:03,741 INFO L158 Benchmark]: Toolchain (without parser) took 1837.69ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 59.2MB in the end (delta: 47.6MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2023-02-15 23:06:03,741 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:06:03,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.29ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 97.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 23:06:03,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.85ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 96.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 23:06:03,742 INFO L158 Benchmark]: Boogie Preprocessor took 13.01ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 95.5MB in the end (delta: 922.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:06:03,742 INFO L158 Benchmark]: RCFGBuilder took 267.06ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 86.5MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 23:06:03,743 INFO L158 Benchmark]: TraceAbstraction took 1313.54ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 61.3MB in the end (delta: 24.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-02-15 23:06:03,743 INFO L158 Benchmark]: Witness Printer took 40.72ms. Allocated memory is still 142.6MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 23:06:03,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.29ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 97.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.85ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 96.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.01ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 95.5MB in the end (delta: 922.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.06ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 86.5MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1313.54ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 61.3MB in the end (delta: 24.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 40.72ms. Allocated memory is still 142.6MB. Free memory was 61.3MB in the beginning and 59.2MB 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 18 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 25 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 4 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 3/12 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 4 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 && 0 <= j + 2147483648 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (0 <= i + 2147483648 && 0 <= j + 2147483648) && k <= 2147483647 RESULT: Ultimate proved your program to be correct! [2023-02-15 23:06:03,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE