./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions.i -s /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e0252cfa120b4ee329feaa962183a7c8a17af771 ........................................................................................................................................................................................................................ 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 11:24:16,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:16,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:16,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:16,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:16,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:16,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:16,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:16,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:16,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:16,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:16,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:16,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:16,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:16,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:16,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:16,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:16,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:16,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:16,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:16,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:16,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:16,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:16,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:16,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:16,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:16,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:16,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:16,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:16,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:16,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:16,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:16,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:16,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:16,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:16,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:16,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:16,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:16,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:16,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:16,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:16,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2019-10-22 11:24:16,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:16,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:16,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:16,306 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:16,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:16,307 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:16,307 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:16,307 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:16,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:16,308 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:16,308 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:16,308 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:16,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:16,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:24:16,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:16,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:16,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:16,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:16,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:16,311 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:24:16,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:16,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:16,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:16,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:16,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:16,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:16,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:16,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:16,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:16,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:16,313 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:16,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:16,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:16,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:16,314 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0252cfa120b4ee329feaa962183a7c8a17af771 [2019-10-22 11:24:16,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:16,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:16,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:16,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:16,364 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:16,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions.i [2019-10-22 11:24:16,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/data/c1ea9f57e/df757e75b5a64f0082ac9f451078d814/FLAG45de351d7 [2019-10-22 11:24:16,865 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:16,866 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions.i [2019-10-22 11:24:16,877 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/data/c1ea9f57e/df757e75b5a64f0082ac9f451078d814/FLAG45de351d7 [2019-10-22 11:24:17,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/data/c1ea9f57e/df757e75b5a64f0082ac9f451078d814 [2019-10-22 11:24:17,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:17,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:17,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:17,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:17,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:17,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c99c520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17, skipping insertion in model container [2019-10-22 11:24:17,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,230 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:17,268 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:17,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:17,661 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:17,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:17,742 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:17,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17 WrapperNode [2019-10-22 11:24:17,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:17,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:17,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:17,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:17,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:17,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:17,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:17,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:17,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... [2019-10-22 11:24:17,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:17,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:17,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:17,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:17,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/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 11:24:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:18,119 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:18,120 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 11:24:18,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:18 BoogieIcfgContainer [2019-10-22 11:24:18,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:18,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:18,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:18,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:18,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:17" (1/3) ... [2019-10-22 11:24:18,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fda1d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:18, skipping insertion in model container [2019-10-22 11:24:18,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:17" (2/3) ... [2019-10-22 11:24:18,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fda1d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:18, skipping insertion in model container [2019-10-22 11:24:18,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:18" (3/3) ... [2019-10-22 11:24:18,129 INFO L109 eAbstractionObserver]: Analyzing ICFG UsualArithmeticConversions.i [2019-10-22 11:24:18,138 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:18,146 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 11:24:18,160 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 11:24:18,186 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:18,186 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:18,186 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:18,187 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:18,187 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:18,187 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:18,187 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:18,187 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-10-22 11:24:18,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:18,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2019-10-22 11:24:18,272 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:18,272 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:18,272 INFO L446 ceAbstractionStarter]: At program point L334(lines 331 335) the Hoare annotation is: true [2019-10-22 11:24:18,272 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:18,272 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:18,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:18 BoogieIcfgContainer [2019-10-22 11:24:18,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:18,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:18,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:18,284 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:18,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:18" (3/4) ... [2019-10-22 11:24:18,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:18,305 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 11:24:18,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:18,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:18,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:18,348 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92864680-99ef-4706-b303-810fb80fe1d1/bin/utaipan/witness.graphml [2019-10-22 11:24:18,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:18,351 INFO L168 Benchmark]: Toolchain (without parser) took 1146.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:18,352 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:18,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:18,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.35 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 11:24:18,355 INFO L168 Benchmark]: Boogie Preprocessor took 31.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:18,356 INFO L168 Benchmark]: RCFGBuilder took 283.63 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:18,358 INFO L168 Benchmark]: TraceAbstraction took 161.66 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. [2019-10-22 11:24:18,358 INFO L168 Benchmark]: Witness Printer took 64.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:18,362 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.35 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 31.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 283.63 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 161.66 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 64.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. 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. - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 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=5occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 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...