./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication_true-no-overflow_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication_true-no-overflow_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/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 64bit --witnessprinter.graph.data.programhash 8d75e9fae498ee6dcc1db93c63bfd5373c78fc1b ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:46:55,451 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:46:55,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:46:55,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:46:55,459 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:46:55,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:46:55,460 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:46:55,462 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:46:55,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:46:55,464 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:46:55,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:46:55,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:46:55,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:46:55,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:46:55,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:46:55,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:46:55,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:46:55,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:46:55,471 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:46:55,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:46:55,473 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:46:55,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:46:55,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:46:55,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:46:55,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:46:55,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:46:55,477 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:46:55,478 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:46:55,478 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:46:55,479 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:46:55,479 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:46:55,480 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:46:55,480 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:46:55,480 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:46:55,480 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:46:55,481 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:46:55,481 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-23 03:46:55,491 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:46:55,492 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:46:55,492 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:46:55,492 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:46:55,493 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:46:55,493 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:46:55,493 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:46:55,493 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:46:55,494 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:46:55,494 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:46:55,494 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:46:55,494 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:46:55,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:46:55,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:46:55,494 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 03:46:55,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:46:55,495 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:46:55,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:46:55,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:46:55,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:46:55,495 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:46:55,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:46:55,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:46:55,496 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:46:55,496 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:46:55,496 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:46:55,496 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:46:55,496 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:46:55,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:46:55,497 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d75e9fae498ee6dcc1db93c63bfd5373c78fc1b [2018-11-23 03:46:55,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:46:55,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:46:55,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:46:55,534 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:46:55,534 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:46:55,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication_true-no-overflow_true-termination.c.i [2018-11-23 03:46:55,570 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/data/3b48ea5ab/4ddfb2a2e2634e7c9f6fcb11c2be054c/FLAG6128ec1ca [2018-11-23 03:46:55,925 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:46:55,925 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication_true-no-overflow_true-termination.c.i [2018-11-23 03:46:55,932 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/data/3b48ea5ab/4ddfb2a2e2634e7c9f6fcb11c2be054c/FLAG6128ec1ca [2018-11-23 03:46:56,330 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/data/3b48ea5ab/4ddfb2a2e2634e7c9f6fcb11c2be054c [2018-11-23 03:46:56,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:46:56,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:46:56,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:46:56,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:46:56,337 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:46:56,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6569d18c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56, skipping insertion in model container [2018-11-23 03:46:56,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:46:56,366 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:46:56,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:46:56,553 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:46:56,577 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:46:56,648 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:46:56,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56 WrapperNode [2018-11-23 03:46:56,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:46:56,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:46:56,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:46:56,649 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:46:56,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:46:56,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:46:56,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:46:56,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:46:56,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... [2018-11-23 03:46:56,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:46:56,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:46:56,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:46:56,695 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:46:56,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/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 [2018-11-23 03:46:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:46:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:46:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:46:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:46:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:46:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:46:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:46:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:46:56,903 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:46:56,903 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 03:46:56,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:56 BoogieIcfgContainer [2018-11-23 03:46:56,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:46:56,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:46:56,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:46:56,907 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:46:56,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:46:56" (1/3) ... [2018-11-23 03:46:56,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a69c2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:56, skipping insertion in model container [2018-11-23 03:46:56,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:56" (2/3) ... [2018-11-23 03:46:56,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a69c2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:56, skipping insertion in model container [2018-11-23 03:46:56,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:56" (3/3) ... [2018-11-23 03:46:56,910 INFO L112 eAbstractionObserver]: Analyzing ICFG Multiplication_true-no-overflow_true-termination.c.i [2018-11-23 03:46:56,917 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:46:56,923 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-23 03:46:56,935 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-23 03:46:56,958 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:46:56,958 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:46:56,959 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:46:56,959 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:46:56,959 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:46:56,959 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:46:56,959 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:46:56,959 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:46:56,959 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:46:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-11-23 03:46:56,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:46:56,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2018-11-23 03:46:57,025 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:46:57,025 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:46:57,025 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:46:57,025 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:46:57,026 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 03:46:57,026 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:46:57,026 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:46:57,026 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 331 335) the Hoare annotation is: true [2018-11-23 03:46:57,026 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 331 335) no Hoare annotation was computed. [2018-11-23 03:46:57,026 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 331 335) no Hoare annotation was computed. [2018-11-23 03:46:57,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:46:57 BoogieIcfgContainer [2018-11-23 03:46:57,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:46:57,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:46:57,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:46:57,030 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:46:57,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:56" (3/4) ... [2018-11-23 03:46:57,033 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:46:57,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:46:57,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:46:57,044 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 03:46:57,044 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 03:46:57,045 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:46:57,045 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:46:57,078 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cdc6c34a-7e9a-4523-bc9e-05560e691bbe/bin-2019/uautomizer/witness.graphml [2018-11-23 03:46:57,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:46:57,079 INFO L168 Benchmark]: Toolchain (without parser) took 745.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:46:57,080 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:46:57,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -201.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:57,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:57,082 INFO L168 Benchmark]: Boogie Preprocessor took 18.26 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. [2018-11-23 03:46:57,082 INFO L168 Benchmark]: RCFGBuilder took 208.72 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:57,083 INFO L168 Benchmark]: TraceAbstraction took 125.29 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: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:57,083 INFO L168 Benchmark]: Witness Printer took 48.32 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:57,088 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -201.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.26 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 208.72 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 125.29 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: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.32 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: 3.3 MB). Peak memory consumption was 3.3 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 3 procedures, 10 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 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...