./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/jain_7-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 54858612 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/bitvector/jain_7-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 876f7945e4fb4974c1e8dba27730dcbf7b8b3ec8 .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:10:17,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:10:17,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:10:17,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:10:17,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:10:17,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:10:17,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:10:17,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:10:17,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:10:17,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:10:17,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:10:17,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:10:17,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:10:17,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:10:17,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:10:17,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:10:17,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:10:17,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:10:17,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:10:17,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:10:17,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:10:17,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:10:17,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:10:17,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:10:17,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:10:17,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:10:17,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:10:17,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:10:17,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:10:17,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:10:17,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:10:17,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:10:17,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:10:17,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:10:17,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:10:17,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:10:17,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:10:17,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:10:17,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:10:17,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:10:17,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:10:17,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-26 04:10:17,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:10:17,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:10:17,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:10:17,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:10:17,428 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:10:17,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:10:17,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:10:17,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:10:17,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:10:17,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:10:17,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:10:17,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 04:10:17,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 04:10:17,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 04:10:17,431 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-26 04:10:17,432 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:10:17,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:10:17,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:10:17,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 04:10:17,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:10:17,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:10:17,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 04:10:17,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 04:10:17,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 04:10:17,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:10:17,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 04:10:17,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 04:10:17,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:10:17,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 04:10:17,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 04:10:17,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:10:17,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876f7945e4fb4974c1e8dba27730dcbf7b8b3ec8 [2020-10-26 04:10:17,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:10:17,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:10:17,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:10:17,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:10:17,903 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:10:17,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_7-2.c [2020-10-26 04:10:17,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4ca9396/70a0daaf86334b3f982e8d2a72b369bf/FLAG55d685589 [2020-10-26 04:10:18,692 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:10:18,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_7-2.c [2020-10-26 04:10:18,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4ca9396/70a0daaf86334b3f982e8d2a72b369bf/FLAG55d685589 [2020-10-26 04:10:19,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4ca9396/70a0daaf86334b3f982e8d2a72b369bf [2020-10-26 04:10:19,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:10:19,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:10:19,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:10:19,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:10:19,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:10:19,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18703b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19, skipping insertion in model container [2020-10-26 04:10:19,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:10:19,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:10:19,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:10:19,314 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:10:19,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:10:19,353 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:10:19,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19 WrapperNode [2020-10-26 04:10:19,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:10:19,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:10:19,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:10:19,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:10:19,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:10:19,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:10:19,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:10:19,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:10:19,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... [2020-10-26 04:10:19,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:10:19,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:10:19,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:10:19,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:10:19,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 04:10:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:10:19,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:10:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:10:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:10:19,897 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:10:19,897 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-26 04:10:19,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:10:19 BoogieIcfgContainer [2020-10-26 04:10:19,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:10:19,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 04:10:19,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 04:10:19,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 04:10:19,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 04:10:19" (1/3) ... [2020-10-26 04:10:19,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ec406d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:10:19, skipping insertion in model container [2020-10-26 04:10:19,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:10:19" (2/3) ... [2020-10-26 04:10:19,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ec406d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:10:19, skipping insertion in model container [2020-10-26 04:10:19,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:10:19" (3/3) ... [2020-10-26 04:10:19,914 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_7-2.c [2020-10-26 04:10:19,927 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 04:10:19,932 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-26 04:10:19,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-26 04:10:19,988 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 04:10:19,988 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 04:10:19,989 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 04:10:19,989 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:10:19,989 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:10:19,989 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 04:10:19,990 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:10:19,990 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 04:10:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-10-26 04:10:20,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 04:10:20,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-26 04:10:20,089 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 04:10:20,089 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-10-26 04:10:20,090 INFO L277 CegarLoopResult]: At program point L7-2(lines 6 27) the Hoare annotation is: true [2020-10-26 04:10:20,090 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-26 04:10:20,090 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-26 04:10:20,090 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-26 04:10:20,090 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 04:10:20,090 INFO L277 CegarLoopResult]: At program point L28(lines 12 29) the Hoare annotation is: true [2020-10-26 04:10:20,091 INFO L274 CegarLoopResult]: For program point L20-2(lines 20 27) no Hoare annotation was computed. [2020-10-26 04:10:20,091 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-26 04:10:20,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 04:10:20 BoogieIcfgContainer [2020-10-26 04:10:20,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 04:10:20,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:10:20,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:10:20,105 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:10:20,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:10:19" (3/4) ... [2020-10-26 04:10:20,112 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-26 04:10:20,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-26 04:10:20,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-26 04:10:20,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-26 04:10:20,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-26 04:10:20,205 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 04:10:20,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:10:20,208 INFO L168 Benchmark]: Toolchain (without parser) took 1162.96 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 28.0 MB in the end (delta: -2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:10:20,209 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.7 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:10:20,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.31 ms. Allocated memory is still 48.2 MB. Free memory was 24.7 MB in the beginning and 26.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:20,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.98 ms. Allocated memory is still 48.2 MB. Free memory was 26.8 MB in the beginning and 25.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:10:20,212 INFO L168 Benchmark]: Boogie Preprocessor took 23.42 ms. Allocated memory is still 48.2 MB. Free memory was 25.3 MB in the beginning and 24.4 MB in the end (delta: 917.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:20,213 INFO L168 Benchmark]: RCFGBuilder took 480.86 ms. Allocated memory is still 48.2 MB. Free memory was 24.4 MB in the beginning and 25.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:20,214 INFO L168 Benchmark]: TraceAbstraction took 200.26 ms. Allocated memory is still 48.2 MB. Free memory was 25.3 MB in the beginning and 30.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:20,218 INFO L168 Benchmark]: Witness Printer took 100.70 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 28.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:10:20,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.7 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 303.31 ms. Allocated memory is still 48.2 MB. Free memory was 24.7 MB in the beginning and 26.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.98 ms. Allocated memory is still 48.2 MB. Free memory was 26.8 MB in the beginning and 25.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.42 ms. Allocated memory is still 48.2 MB. Free memory was 25.3 MB in the beginning and 24.4 MB in the end (delta: 917.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 480.86 ms. Allocated memory is still 48.2 MB. Free memory was 24.4 MB in the beginning and 25.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 200.26 ms. Allocated memory is still 48.2 MB. Free memory was 25.3 MB in the beginning and 30.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Witness Printer took 100.70 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 28.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...