./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/recursive/BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/recursive/BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ccae6f392e1d87c0b193f39dee91a5c51306cb93 ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:10:07,004 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:10:07,005 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:10:07,025 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:10:07,027 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:10:07,028 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:10:07,030 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:10:07,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:10:07,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:10:07,039 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:10:07,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:10:07,042 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:10:07,043 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:10:07,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:10:07,053 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:10:07,054 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:10:07,058 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:10:07,061 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:10:07,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:10:07,071 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:10:07,073 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:10:07,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:10:07,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:10:07,082 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:10:07,082 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:10:07,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:10:07,084 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:10:07,088 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:10:07,090 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:10:07,091 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:10:07,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:10:07,094 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:10:07,094 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:10:07,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:10:07,097 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:10:07,099 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:10:07,100 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2018-11-28 23:10:07,126 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:10:07,126 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:10:07,128 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:10:07,129 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:10:07,130 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:10:07,131 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:10:07,131 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:10:07,132 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:10:07,132 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:10:07,132 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:10:07,132 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:10:07,133 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:10:07,134 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:10:07,134 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 23:10:07,134 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:10:07,135 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 23:10:07,135 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 23:10:07,135 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:10:07,136 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:10:07,136 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:10:07,136 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 23:10:07,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:10:07,136 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:10:07,137 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:10:07,137 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:10:07,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:10:07,137 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:10:07,137 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:10:07,137 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 23:10:07,140 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:10:07,141 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:10:07,141 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 23:10:07,141 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ccae6f392e1d87c0b193f39dee91a5c51306cb93 [2018-11-28 23:10:07,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:10:07,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:10:07,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:10:07,224 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:10:07,225 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:10:07,226 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive/BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c [2018-11-28 23:10:07,294 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56b2af64/0b655b77b39d4d92a9f3aab0ad66a0f0/FLAGfe4e16c38 [2018-11-28 23:10:07,724 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:10:07,724 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive/BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c [2018-11-28 23:10:07,731 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56b2af64/0b655b77b39d4d92a9f3aab0ad66a0f0/FLAGfe4e16c38 [2018-11-28 23:10:08,072 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56b2af64/0b655b77b39d4d92a9f3aab0ad66a0f0 [2018-11-28 23:10:08,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:10:08,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:10:08,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:10:08,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:10:08,084 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:10:08,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd69d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08, skipping insertion in model container [2018-11-28 23:10:08,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:10:08,115 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:10:08,289 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:10:08,294 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:10:08,312 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:10:08,328 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:10:08,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08 WrapperNode [2018-11-28 23:10:08,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:10:08,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:10:08,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:10:08,330 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:10:08,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:10:08,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:10:08,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:10:08,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:10:08,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... [2018-11-28 23:10:08,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:10:08,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:10:08,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:10:08,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:10:08,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 23:10:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure A [2018-11-28 23:10:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2018-11-28 23:10:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 23:10:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 23:10:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:10:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:10:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 23:10:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 23:10:08,817 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:10:08,817 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 23:10:08,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:10:08 BoogieIcfgContainer [2018-11-28 23:10:08,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:10:08,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 23:10:08,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 23:10:08,823 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 23:10:08,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:10:08" (1/3) ... [2018-11-28 23:10:08,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b28d14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:10:08, skipping insertion in model container [2018-11-28 23:10:08,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:10:08" (2/3) ... [2018-11-28 23:10:08,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b28d14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:10:08, skipping insertion in model container [2018-11-28 23:10:08,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:10:08" (3/3) ... [2018-11-28 23:10:08,827 INFO L112 eAbstractionObserver]: Analyzing ICFG BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c [2018-11-28 23:10:08,845 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 23:10:08,853 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-28 23:10:08,867 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-28 23:10:08,898 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:10:08,899 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 23:10:08,899 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 23:10:08,899 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 23:10:08,899 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:10:08,899 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:10:08,899 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 23:10:08,900 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:10:08,900 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 23:10:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 23:10:08,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 23:10:08,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2018-11-28 23:10:09,045 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. [2018-11-28 23:10:09,045 INFO L448 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-28 23:10:09,046 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 16 22) no Hoare annotation was computed. [2018-11-28 23:10:09,046 INFO L451 ceAbstractionStarter]: At program point AENTRY(lines 16 22) the Hoare annotation is: true [2018-11-28 23:10:09,046 INFO L448 ceAbstractionStarter]: For program point AEXIT(lines 16 22) no Hoare annotation was computed. [2018-11-28 23:10:09,047 INFO L451 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: true [2018-11-28 23:10:09,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 23:10:09,047 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 23:10:09,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 23:10:09,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 23:10:09,048 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 23:10:09,048 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 23:10:09,049 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 23:10:09,049 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 23:10:09,049 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 32) no Hoare annotation was computed. [2018-11-28 23:10:09,050 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 25 33) the Hoare annotation is: true [2018-11-28 23:10:09,050 INFO L451 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: true [2018-11-28 23:10:09,050 INFO L451 ceAbstractionStarter]: At program point L28(line 28) the Hoare annotation is: true [2018-11-28 23:10:09,050 INFO L448 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2018-11-28 23:10:09,050 INFO L448 ceAbstractionStarter]: For program point L30-2(lines 25 33) no Hoare annotation was computed. [2018-11-28 23:10:09,051 INFO L448 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-28 23:10:09,051 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 25 33) no Hoare annotation was computed. [2018-11-28 23:10:09,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:10:09 BoogieIcfgContainer [2018-11-28 23:10:09,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 23:10:09,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:10:09,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:10:09,059 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:10:09,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:10:08" (3/4) ... [2018-11-28 23:10:09,065 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 23:10:09,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure A [2018-11-28 23:10:09,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 23:10:09,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 23:10:09,100 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 23:10:09,100 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 23:10:09,216 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:10:09,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:10:09,217 INFO L168 Benchmark]: Toolchain (without parser) took 1140.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:10:09,220 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:10:09,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.52 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:10:09,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.26 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:10:09,222 INFO L168 Benchmark]: Boogie Preprocessor took 23.39 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:10:09,223 INFO L168 Benchmark]: RCFGBuilder took 435.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:10:09,224 INFO L168 Benchmark]: TraceAbstraction took 237.64 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:10:09,228 INFO L168 Benchmark]: Witness Printer took 158.65 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:10:09,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.52 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.26 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.39 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 435.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 237.64 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Witness Printer took 158.65 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: 6.8 MB). Peak memory consumption was 6.8 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 4 procedures, 22 locations, 0 error locations. SAFE Result, 0.1s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 8 LocationsWithAnnotation, 12 PreInvPairs, 12 NumberOfFragments, 8 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 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...