./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/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 a5108b5377d097a7402b9724bf53ce3710eed7c6 .......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:59:48,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:59:48,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:59:48,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:59:48,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:59:48,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:59:48,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:59:48,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:59:48,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:59:48,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:59:48,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:59:48,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:59:48,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:59:48,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:59:48,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:59:48,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:59:48,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:59:48,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:59:48,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:59:48,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:59:48,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:59:48,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:59:48,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:59:48,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:59:48,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:59:48,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:59:48,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:59:48,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:59:48,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:59:48,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:59:48,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:59:48,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:59:48,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:59:48,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:59:48,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:59:48,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:59:48,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:59:48,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:59:48,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:59:48,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:59:48,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:59:48,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-20 07:59:48,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:59:48,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:59:48,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:59:48,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:59:48,161 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:59:48,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:59:48,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:59:48,162 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 07:59:48,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:59:48,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:59:48,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:59:48,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:59:48,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:59:48,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:59:48,164 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 07:59:48,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:59:48,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:59:48,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:59:48,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:59:48,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:59:48,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:59:48,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:59:48,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:59:48,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:59:48,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:59:48,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:59:48,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:59:48,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:59:48,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:59:48,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:59:48,168 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/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/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 -> a5108b5377d097a7402b9724bf53ce3710eed7c6 [2019-11-20 07:59:48,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:59:48,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:59:48,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:59:48,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:59:48,357 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:59:48,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/sum_non_eq-3.c [2019-11-20 07:59:48,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/data/0ed1f40e4/896fdd10b3a441a8bc0d4d848f5708fa/FLAG5ac71ebd2 [2019-11-20 07:59:48,855 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:59:48,856 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/sv-benchmarks/c/recursive-simple/sum_non_eq-3.c [2019-11-20 07:59:48,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/data/0ed1f40e4/896fdd10b3a441a8bc0d4d848f5708fa/FLAG5ac71ebd2 [2019-11-20 07:59:49,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/data/0ed1f40e4/896fdd10b3a441a8bc0d4d848f5708fa [2019-11-20 07:59:49,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:59:49,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:59:49,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:59:49,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:59:49,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:59:49,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146da2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49, skipping insertion in model container [2019-11-20 07:59:49,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,222 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:59:49,239 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:59:49,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:59:49,444 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:59:49,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:59:49,582 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:59:49,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49 WrapperNode [2019-11-20 07:59:49,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:59:49,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:59:49,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:59:49,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:59:49,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:59:49,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:59:49,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:59:49,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:59:49,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... [2019-11-20 07:59:49,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:59:49,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:59:49,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:59:49,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:59:49,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/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 [2019-11-20 07:59:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:59:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:59:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-11-20 07:59:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-11-20 07:59:49,874 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:59:49,875 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 07:59:49,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:59:49 BoogieIcfgContainer [2019-11-20 07:59:49,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:59:49,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:59:49,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:59:49,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:59:49,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:59:49" (1/3) ... [2019-11-20 07:59:49,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bd73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:59:49, skipping insertion in model container [2019-11-20 07:59:49,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:49" (2/3) ... [2019-11-20 07:59:49,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bd73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:59:49, skipping insertion in model container [2019-11-20 07:59:49,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:59:49" (3/3) ... [2019-11-20 07:59:49,898 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_non_eq-3.c [2019-11-20 07:59:49,913 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:59:49,921 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-20 07:59:49,932 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-20 07:59:49,961 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:59:49,961 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:59:49,961 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:59:49,962 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:59:49,962 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:59:49,963 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:59:49,963 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:59:49,963 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:59:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-20 07:59:49,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:59:49,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2019-11-20 07:59:50,064 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:59:50,064 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:59:50,065 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:59:50,065 INFO L444 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-20 07:59:50,065 INFO L444 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2019-11-20 07:59:50,065 INFO L447 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: true [2019-11-20 07:59:50,065 INFO L444 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-11-20 07:59:50,066 INFO L444 ceAbstractionStarter]: For program point L12(lines 12 19) no Hoare annotation was computed. [2019-11-20 07:59:50,066 INFO L444 ceAbstractionStarter]: For program point sumEXIT(lines 4 10) no Hoare annotation was computed. [2019-11-20 07:59:50,078 INFO L447 ceAbstractionStarter]: At program point L8(line 8) the Hoare annotation is: true [2019-11-20 07:59:50,078 INFO L444 ceAbstractionStarter]: For program point L8-1(line 8) no Hoare annotation was computed. [2019-11-20 07:59:50,078 INFO L444 ceAbstractionStarter]: For program point L5(lines 5 9) no Hoare annotation was computed. [2019-11-20 07:59:50,078 INFO L444 ceAbstractionStarter]: For program point sumFINAL(lines 4 10) no Hoare annotation was computed. [2019-11-20 07:59:50,079 INFO L447 ceAbstractionStarter]: At program point sumENTRY(lines 4 10) the Hoare annotation is: true [2019-11-20 07:59:50,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:59:50 BoogieIcfgContainer [2019-11-20 07:59:50,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:59:50,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:59:50,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:59:50,085 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:59:50,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:59:49" (3/4) ... [2019-11-20 07:59:50,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:59:50,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2019-11-20 07:59:50,115 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 07:59:50,115 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 07:59:50,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_615b9701-eb92-4cf3-bac3-8ac3ce8a9f89/bin/uautomizer/witness.graphml [2019-11-20 07:59:50,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:59:50,226 INFO L168 Benchmark]: Toolchain (without parser) took 1021.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:59:50,227 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:59:50,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:59:50,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:59:50,244 INFO L168 Benchmark]: Boogie Preprocessor took 18.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:59:50,250 INFO L168 Benchmark]: RCFGBuilder took 239.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:59:50,251 INFO L168 Benchmark]: TraceAbstraction took 204.53 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:59:50,255 INFO L168 Benchmark]: Witness Printer took 139.09 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:59:50,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 379.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 239.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 204.53 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 139.09 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: 5.4 MB). Peak memory consumption was 5.4 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, 14 locations, 0 error locations. Result: SAFE, OverallTime: 0.1s, 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=14occurred 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, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 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...