./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/sum02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/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 6bdf3d7283c8010b8178f4441a6a14e3308ae4a9 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:54:11,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:54:11,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:54:11,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:54:11,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:54:11,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:54:11,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:54:11,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:54:11,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:54:11,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:54:11,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:54:11,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:54:11,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:54:11,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:54:11,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:54:11,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:54:11,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:54:11,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:54:11,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:54:11,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:54:11,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:54:11,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:54:11,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:54:11,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:54:11,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:54:11,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:54:11,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:54:11,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:54:11,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:54:11,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:54:11,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:54:11,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:54:11,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:54:11,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:54:11,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:54:11,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:54:11,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:54:11,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:54:11,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:54:11,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:54:11,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:54:11,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-12-07 16:54:11,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:54:11,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:54:11,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:54:11,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:54:11,376 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:54:11,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:54:11,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:54:11,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:54:11,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:54:11,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:54:11,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:54:11,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:54:11,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:54:11,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:54:11,377 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 16:54:11,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:54:11,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:54:11,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:54:11,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:54:11,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:54:11,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:54:11,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:54:11,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:54:11,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:54:11,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:54:11,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:54:11,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:54:11,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:54:11,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:54:11,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:54:11,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:54:11,380 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_76dfe49f-782b-4de5-b07a-fac0e136a9ee/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 -> 6bdf3d7283c8010b8178f4441a6a14e3308ae4a9 [2019-12-07 16:54:11,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:54:11,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:54:11,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:54:11,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:54:11,492 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:54:11,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/../../sv-benchmarks/c/bitvector/sum02-1.c [2019-12-07 16:54:11,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/data/cba1ee2f3/543de315374a491089916366ad5bb102/FLAGcbf7ad917 [2019-12-07 16:54:12,002 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:54:12,003 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/sv-benchmarks/c/bitvector/sum02-1.c [2019-12-07 16:54:12,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/data/cba1ee2f3/543de315374a491089916366ad5bb102/FLAGcbf7ad917 [2019-12-07 16:54:12,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/data/cba1ee2f3/543de315374a491089916366ad5bb102 [2019-12-07 16:54:12,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:54:12,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:54:12,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:12,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:54:12,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:54:12,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e27cfeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12, skipping insertion in model container [2019-12-07 16:54:12,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:54:12,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:54:12,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:12,139 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:54:12,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:54:12,189 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:54:12,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12 WrapperNode [2019-12-07 16:54:12,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:54:12,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:54:12,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:54:12,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:54:12,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:54:12,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:54:12,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:54:12,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:54:12,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... [2019-12-07 16:54:12,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:54:12,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:54:12,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:54:12,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:54:12,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/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 [2019-12-07 16:54:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:54:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:54:12,355 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:54:12,355 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 16:54:12,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:12 BoogieIcfgContainer [2019-12-07 16:54:12,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:54:12,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:54:12,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:54:12,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:54:12,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:54:12" (1/3) ... [2019-12-07 16:54:12,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc17554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:54:12, skipping insertion in model container [2019-12-07 16:54:12,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:54:12" (2/3) ... [2019-12-07 16:54:12,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc17554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:54:12, skipping insertion in model container [2019-12-07 16:54:12,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:12" (3/3) ... [2019-12-07 16:54:12,360 INFO L109 eAbstractionObserver]: Analyzing ICFG sum02-1.c [2019-12-07 16:54:12,366 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:54:12,370 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 16:54:12,377 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 16:54:12,391 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:54:12,391 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:54:12,391 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:54:12,391 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:54:12,391 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:54:12,391 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:54:12,391 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:54:12,391 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:54:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-07 16:54:12,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:54:12,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2019-12-07 16:54:12,435 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:54:12,435 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-12-07 16:54:12,435 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:54:12,435 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:54:12,435 INFO L246 CegarLoopResult]: For program point L12-2(lines 12 14) no Hoare annotation was computed. [2019-12-07 16:54:12,435 INFO L249 CegarLoopResult]: At program point L12-3(lines 12 14) the Hoare annotation is: true [2019-12-07 16:54:12,436 INFO L246 CegarLoopResult]: For program point L12-4(lines 12 14) no Hoare annotation was computed. [2019-12-07 16:54:12,436 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-12-07 16:54:12,436 INFO L249 CegarLoopResult]: At program point L4-2(lines 1 16) the Hoare annotation is: true [2019-12-07 16:54:12,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:54:12 BoogieIcfgContainer [2019-12-07 16:54:12,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:54:12,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:54:12,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:54:12,442 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:54:12,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:54:12" (3/4) ... [2019-12-07 16:54:12,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:54:12,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 16:54:12,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:54:12,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_76dfe49f-782b-4de5-b07a-fac0e136a9ee/bin/uautomizer/witness.graphml [2019-12-07 16:54:12,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:54:12,479 INFO L168 Benchmark]: Toolchain (without parser) took 460.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -107.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:12,479 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:12,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:12,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 1.1 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. [2019-12-07 16:54:12,480 INFO L168 Benchmark]: Boogie Preprocessor took 11.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:54:12,480 INFO L168 Benchmark]: RCFGBuilder took 134.16 ms. Allocated memory is still 1.1 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. [2019-12-07 16:54:12,481 INFO L168 Benchmark]: TraceAbstraction took 84.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:12,481 INFO L168 Benchmark]: Witness Printer took 35.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:54:12,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 1.1 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. * Boogie Preprocessor took 11.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 134.16 ms. Allocated memory is still 1.1 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 84.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Witness Printer took 35.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 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. - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 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=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...