./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions_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_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions_true-no-overflow_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/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 e0252cfa120b4ee329feaa962183a7c8a17af771 ............................................................................................................................................................................................................................... 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 07:33:20,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:33:20,168 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:33:20,177 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:33:20,177 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:33:20,178 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:33:20,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:33:20,180 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:33:20,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:33:20,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:33:20,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:33:20,183 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:33:20,184 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:33:20,185 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:33:20,186 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:33:20,186 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:33:20,187 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:33:20,188 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:33:20,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:33:20,191 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:33:20,192 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:33:20,193 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:33:20,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:33:20,196 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:33:20,196 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:33:20,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:33:20,198 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:33:20,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:33:20,199 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:33:20,200 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:33:20,200 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:33:20,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:33:20,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:33:20,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:33:20,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:33:20,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:33:20,203 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-23 07:33:20,214 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:33:20,214 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:33:20,215 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:33:20,215 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:33:20,215 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:33:20,216 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:33:20,216 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:33:20,216 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:33:20,216 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:33:20,216 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:33:20,217 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:33:20,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:33:20,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:33:20,217 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:33:20,217 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 07:33:20,217 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:33:20,217 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:33:20,218 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:33:20,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:33:20,218 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:33:20,218 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:33:20,218 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:33:20,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:33:20,219 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:33:20,219 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:33:20,219 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:33:20,219 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:33:20,219 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:33:20,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:33:20,220 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_c4980bfd-3c95-4317-b3c2-116d76dd4213/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 -> e0252cfa120b4ee329feaa962183a7c8a17af771 [2018-11-23 07:33:20,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:33:20,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:33:20,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:33:20,262 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:33:20,262 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:33:20,262 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions_true-no-overflow_true-termination.c.i [2018-11-23 07:33:20,308 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/data/f28c8f3c1/448f64cae78746f79f8dac183e324bfc/FLAG20dd089d1 [2018-11-23 07:33:20,713 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:33:20,714 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions_true-no-overflow_true-termination.c.i [2018-11-23 07:33:20,722 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/data/f28c8f3c1/448f64cae78746f79f8dac183e324bfc/FLAG20dd089d1 [2018-11-23 07:33:20,734 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/data/f28c8f3c1/448f64cae78746f79f8dac183e324bfc [2018-11-23 07:33:20,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:33:20,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:33:20,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:33:20,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:33:20,742 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:33:20,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:33:20" (1/1) ... [2018-11-23 07:33:20,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725d32ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:20, skipping insertion in model container [2018-11-23 07:33:20,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:33:20" (1/1) ... [2018-11-23 07:33:20,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:33:20,778 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:33:20,990 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:33:20,998 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:33:21,031 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:33:21,118 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:33:21,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21 WrapperNode [2018-11-23 07:33:21,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:33:21,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:33:21,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:33:21,120 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:33:21,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:33:21,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:33:21,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:33:21,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:33:21,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... [2018-11-23 07:33:21,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:33:21,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:33:21,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:33:21,168 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:33:21,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/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 07:33:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:33:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:33:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:33:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:33:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:33:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:33:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:33:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:33:21,348 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:33:21,348 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 07:33:21,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:33:21 BoogieIcfgContainer [2018-11-23 07:33:21,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:33:21,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:33:21,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:33:21,352 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:33:21,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:33:20" (1/3) ... [2018-11-23 07:33:21,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6c1b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:33:21, skipping insertion in model container [2018-11-23 07:33:21,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:33:21" (2/3) ... [2018-11-23 07:33:21,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6c1b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:33:21, skipping insertion in model container [2018-11-23 07:33:21,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:33:21" (3/3) ... [2018-11-23 07:33:21,355 INFO L112 eAbstractionObserver]: Analyzing ICFG UsualArithmeticConversions_true-no-overflow_true-termination.c.i [2018-11-23 07:33:21,363 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:33:21,369 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-23 07:33:21,380 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-23 07:33:21,405 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:33:21,405 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:33:21,406 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:33:21,406 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:33:21,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:33:21,406 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:33:21,406 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:33:21,406 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:33:21,406 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:33:21,421 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-11-23 07:33:21,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:33:21,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2018-11-23 07:33:21,471 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:33:21,471 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:33:21,472 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:33:21,472 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:33:21,472 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 07:33:21,472 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:33:21,472 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:33:21,472 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 331 335) the Hoare annotation is: true [2018-11-23 07:33:21,472 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 331 335) no Hoare annotation was computed. [2018-11-23 07:33:21,472 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 331 335) no Hoare annotation was computed. [2018-11-23 07:33:21,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:33:21 BoogieIcfgContainer [2018-11-23 07:33:21,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:33:21,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:33:21,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:33:21,476 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:33:21,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:33:21" (3/4) ... [2018-11-23 07:33:21,479 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:33:21,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:33:21,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:33:21,490 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 07:33:21,490 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 07:33:21,490 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:33:21,490 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:33:21,523 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c4980bfd-3c95-4317-b3c2-116d76dd4213/bin-2019/uautomizer/witness.graphml [2018-11-23 07:33:21,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:33:21,523 INFO L168 Benchmark]: Toolchain (without parser) took 786.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 413.6 kB. Max. memory is 11.5 GB. [2018-11-23 07:33:21,525 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:33:21,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -213.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:21,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:21,526 INFO L168 Benchmark]: Boogie Preprocessor took 19.05 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. [2018-11-23 07:33:21,526 INFO L168 Benchmark]: RCFGBuilder took 180.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:21,527 INFO L168 Benchmark]: TraceAbstraction took 125.53 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:21,527 INFO L168 Benchmark]: Witness Printer took 47.23 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:21,531 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -213.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.05 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 180.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 125.53 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.23 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: 3.2 MB). Peak memory consumption was 3.2 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...