./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer --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 ccae6f392e1d87c0b193f39dee91a5c51306cb93 ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:20,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:20,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:20,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:20,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:20,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:20,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:20,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:20,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:20,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:20,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:20,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:20,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:20,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:20,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:20,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:20,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:20,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:20,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:20,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:20,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:20,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:20,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:20,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:20,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:20,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:20,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:20,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:20,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:20,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:20,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:20,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:20,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:20,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:20,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:20,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:20,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:20,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:20,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:20,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:20,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:20,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-10-22 09:00:20,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:20,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:20,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:20,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:20,436 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:20,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:20,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:20,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:20,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:20,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:20,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:20,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:20,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:20,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:20,438 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 09:00:20,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:20,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:20,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:20,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:20,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:20,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:20,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:20,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:20,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:20,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:20,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:20,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:20,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:20,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:20,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:20,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer 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 -> ccae6f392e1d87c0b193f39dee91a5c51306cb93 [2019-10-22 09:00:20,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:20,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:20,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:20,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:20,495 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:20,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2019-10-22 09:00:20,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/data/da12d6808/fa367ae0f04a41b699a4d5e122b04dd0/FLAGd9f025328 [2019-10-22 09:00:20,964 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:20,965 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2019-10-22 09:00:20,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/data/da12d6808/fa367ae0f04a41b699a4d5e122b04dd0/FLAGd9f025328 [2019-10-22 09:00:20,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/data/da12d6808/fa367ae0f04a41b699a4d5e122b04dd0 [2019-10-22 09:00:20,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:20,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:20,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:20,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:20,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:20,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:20" (1/1) ... [2019-10-22 09:00:20,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606723e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:20, skipping insertion in model container [2019-10-22 09:00:21,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:20" (1/1) ... [2019-10-22 09:00:21,007 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:21,021 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:21,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:21,184 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:21,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:21,266 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:21,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21 WrapperNode [2019-10-22 09:00:21,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:21,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:21,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:21,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:21,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:21,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:21,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:21,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:21,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... [2019-10-22 09:00:21,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:21,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:21,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:21,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:21,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/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 [2019-10-22 09:00:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure A [2019-10-22 09:00:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2019-10-22 09:00:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:21,472 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:21,472 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:00:21,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:21 BoogieIcfgContainer [2019-10-22 09:00:21,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:21,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:21,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:21,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:21,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:20" (1/3) ... [2019-10-22 09:00:21,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a605f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:21, skipping insertion in model container [2019-10-22 09:00:21,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:21" (2/3) ... [2019-10-22 09:00:21,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a605f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:21, skipping insertion in model container [2019-10-22 09:00:21,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:21" (3/3) ... [2019-10-22 09:00:21,480 INFO L109 eAbstractionObserver]: Analyzing ICFG BallRajamani-SPIN2000-Fig1.c [2019-10-22 09:00:21,489 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:21,495 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 09:00:21,505 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 09:00:21,526 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:21,526 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:21,526 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:21,527 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:21,527 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:21,527 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:21,527 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:21,527 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:21,539 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-22 09:00:21,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:21,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2019-10-22 09:00:21,595 INFO L443 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. [2019-10-22 09:00:21,595 INFO L443 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2019-10-22 09:00:21,595 INFO L443 ceAbstractionStarter]: For program point L17-2(lines 16 22) no Hoare annotation was computed. [2019-10-22 09:00:21,596 INFO L446 ceAbstractionStarter]: At program point AENTRY(lines 16 22) the Hoare annotation is: true [2019-10-22 09:00:21,596 INFO L443 ceAbstractionStarter]: For program point AEXIT(lines 16 22) no Hoare annotation was computed. [2019-10-22 09:00:21,596 INFO L446 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: true [2019-10-22 09:00:21,596 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:21,596 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:21,596 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 09:00:21,596 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 32) no Hoare annotation was computed. [2019-10-22 09:00:21,596 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:21,597 INFO L446 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: true [2019-10-22 09:00:21,597 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:21,597 INFO L446 ceAbstractionStarter]: At program point L28(line 28) the Hoare annotation is: true [2019-10-22 09:00:21,597 INFO L443 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2019-10-22 09:00:21,597 INFO L443 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2019-10-22 09:00:21,597 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 33) no Hoare annotation was computed. [2019-10-22 09:00:21,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:21 BoogieIcfgContainer [2019-10-22 09:00:21,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:21,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:21,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:21,601 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:21,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:21" (3/4) ... [2019-10-22 09:00:21,605 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:21,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure A [2019-10-22 09:00:21,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 09:00:21,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 09:00:21,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2a9023d0-a85f-4539-95b6-b5c4e9734698/bin/uautomizer/witness.graphml [2019-10-22 09:00:21,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:21,646 INFO L168 Benchmark]: Toolchain (without parser) took 658.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:21,646 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:21,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:21,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:21,648 INFO L168 Benchmark]: Boogie Preprocessor took 12.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:21,648 INFO L168 Benchmark]: RCFGBuilder took 166.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:21,649 INFO L168 Benchmark]: TraceAbstraction took 126.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:21,649 INFO L168 Benchmark]: Witness Printer took 42.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:21,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.2 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 166.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 126.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Witness Printer took 42.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 4 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 4 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 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...