/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-benchs/cast_float_union_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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 ../../../trunk/examples/svcomp/float-benchs/cast_float_union_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d8a7d8fb8a6f3d9cad882f110dad1cedcf67f0c ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:54:54,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:54:54,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:54:54,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:54:54,090 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:54:54,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:54:54,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:54:54,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:54:54,101 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:54:54,108 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:54:54,109 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:54:54,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:54:54,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:54:54,115 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:54:54,116 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:54:54,120 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:54:54,121 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:54:54,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:54:54,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:54:54,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:54:54,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:54:54,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:54:54,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:54:54,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:54:54,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:54:54,144 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:54:54,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:54:54,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:54:54,149 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:54:54,150 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:54:54,150 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:54:54,155 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:54:54,155 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:54:54,155 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:54:54,157 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:54:54,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:54:54,158 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:54:54,188 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:54:54,188 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:54:54,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:54:54,189 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:54:54,191 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:54:54,191 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:54:54,191 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:54:54,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:54:54,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:54:54,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:54:54,193 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:54:54,194 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:54:54,194 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:54:54,194 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:54:54,194 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:54:54,194 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:54:54,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:54:54,195 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:54:54,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:54:54,195 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:54:54,197 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:54:54,197 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:54:54,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:54:54,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:54:54,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:54:54,198 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:54:54,198 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:54:54,198 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:54:54,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:54:54,199 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 ! call(__VERIFIER_error())) ) 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 -> 1d8a7d8fb8a6f3d9cad882f110dad1cedcf67f0c [2018-09-20 13:54:54,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:54:54,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:54:54,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:54:54,315 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:54:54,315 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:54:54,316 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union_true-unreach-call.c [2018-09-20 13:54:54,660 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648a6672b/fe1052fc18484f5c93b3fa579c18cc06/FLAGa4642067a [2018-09-20 13:54:54,892 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:54:54,892 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union_true-unreach-call.c [2018-09-20 13:54:54,899 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648a6672b/fe1052fc18484f5c93b3fa579c18cc06/FLAGa4642067a [2018-09-20 13:54:54,919 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648a6672b/fe1052fc18484f5c93b3fa579c18cc06 [2018-09-20 13:54:54,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:54:54,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:54:54,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:54:54,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:54:54,934 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:54:54,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:54:54" (1/1) ... [2018-09-20 13:54:54,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5020092e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:54, skipping insertion in model container [2018-09-20 13:54:54,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:54:54" (1/1) ... [2018-09-20 13:54:54,951 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:54:55,151 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:54:55,174 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:54:55,194 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:54:55,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55 WrapperNode [2018-09-20 13:54:55,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:54:55,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:54:55,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:54:55,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:54:55,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (1/1) ... [2018-09-20 13:54:55,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (1/1) ... [2018-09-20 13:54:55,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (1/1) ... [2018-09-20 13:54:55,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (1/1) ... [2018-09-20 13:54:55,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (1/1) ... [2018-09-20 13:54:55,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (1/1) ... [2018-09-20 13:54:55,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (1/1) ... [2018-09-20 13:54:55,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:54:55,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:54:55,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:54:55,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:54:55,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (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 [2018-09-20 13:54:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:54:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:54:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:54:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-09-20 13:54:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:54:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:54:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 13:54:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-20 13:54:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:54:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-09-20 13:54:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 13:54:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 13:54:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 13:54:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 13:54:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 13:54:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 13:54:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:54:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:54:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:54:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 13:54:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 13:54:56,085 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:54:56,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:54:56 BoogieIcfgContainer [2018-09-20 13:54:56,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:54:56,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:54:56,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:54:56,091 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:54:56,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:54:54" (1/3) ... [2018-09-20 13:54:56,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e5954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:54:56, skipping insertion in model container [2018-09-20 13:54:56,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:54:55" (2/3) ... [2018-09-20 13:54:56,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e5954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:54:56, skipping insertion in model container [2018-09-20 13:54:56,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:54:56" (3/3) ... [2018-09-20 13:54:56,096 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_union_true-unreach-call.c [2018-09-20 13:54:56,107 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:54:56,116 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:54:56,163 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:54:56,164 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:54:56,164 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:54:56,164 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:54:56,165 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:54:56,165 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:54:56,166 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:54:56,166 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:54:56,166 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:54:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-09-20 13:54:56,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 13:54:56,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 45 states. [2018-09-20 13:54:56,299 INFO L426 ceAbstractionStarter]: For program point L33(lines 33 43) no Hoare annotation was computed. [2018-09-20 13:54:56,299 INFO L426 ceAbstractionStarter]: For program point L35-2(line 35) no Hoare annotation was computed. [2018-09-20 13:54:56,299 INFO L426 ceAbstractionStarter]: For program point castEXIT(lines 21 45) no Hoare annotation was computed. [2018-09-20 13:54:56,299 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-20 13:54:56,299 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 13:54:56,300 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 13:54:56,300 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 13:54:56,300 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 13:54:56,300 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-20 13:54:56,300 INFO L426 ceAbstractionStarter]: For program point L25-4(line 25) no Hoare annotation was computed. [2018-09-20 13:54:56,300 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-20 13:54:56,301 INFO L426 ceAbstractionStarter]: For program point L38-1(line 38) no Hoare annotation was computed. [2018-09-20 13:54:56,301 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-20 13:54:56,301 INFO L426 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2018-09-20 13:54:56,301 INFO L426 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-09-20 13:54:56,301 INFO L426 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-09-20 13:54:56,302 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-20 13:54:56,302 INFO L426 ceAbstractionStarter]: For program point castFINAL(lines 21 45) no Hoare annotation was computed. [2018-09-20 13:54:56,302 INFO L429 ceAbstractionStarter]: At program point castENTRY(lines 21 45) the Hoare annotation is: true [2018-09-20 13:54:56,302 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 13:54:56,302 INFO L426 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-09-20 13:54:56,303 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-20 13:54:56,303 INFO L426 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-09-20 13:54:56,303 INFO L426 ceAbstractionStarter]: For program point L24-4(line 24) no Hoare annotation was computed. [2018-09-20 13:54:56,303 INFO L426 ceAbstractionStarter]: For program point L24-5(line 24) no Hoare annotation was computed. [2018-09-20 13:54:56,303 INFO L426 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-09-20 13:54:56,303 INFO L426 ceAbstractionStarter]: For program point L39-1(line 39) no Hoare annotation was computed. [2018-09-20 13:54:56,304 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-20 13:54:56,304 INFO L426 ceAbstractionStarter]: For program point L39-2(line 39) no Hoare annotation was computed. [2018-09-20 13:54:56,304 INFO L426 ceAbstractionStarter]: For program point L37-1(lines 37 43) no Hoare annotation was computed. [2018-09-20 13:54:56,304 INFO L426 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-09-20 13:54:56,304 INFO L426 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-09-20 13:54:56,304 INFO L426 ceAbstractionStarter]: For program point L37-3(lines 33 43) no Hoare annotation was computed. [2018-09-20 13:54:56,304 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:54:56,305 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:54:56,305 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:54:56,305 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:54:56,305 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 13:54:56,307 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:54:56,307 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:54:56,307 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 47 55) the Hoare annotation is: true [2018-09-20 13:54:56,307 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 47 55) no Hoare annotation was computed. [2018-09-20 13:54:56,307 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 47 55) no Hoare annotation was computed. [2018-09-20 13:54:56,307 INFO L429 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: true [2018-09-20 13:54:56,308 INFO L426 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-09-20 13:54:56,308 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertENTRY(line 8) no Hoare annotation was computed. [2018-09-20 13:54:56,308 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 8) no Hoare annotation was computed. [2018-09-20 13:54:56,308 INFO L426 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-09-20 13:54:56,308 INFO L426 ceAbstractionStarter]: For program point L8-1(line 8) no Hoare annotation was computed. [2018-09-20 13:54:56,309 INFO L426 ceAbstractionStarter]: For program point L8-3(line 8) no Hoare annotation was computed. [2018-09-20 13:54:56,312 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-09-20 13:54:56,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:54:56 BoogieIcfgContainer [2018-09-20 13:54:56,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:54:56,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:54:56,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:54:56,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:54:56,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:54:56" (3/4) ... [2018-09-20 13:54:56,325 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 13:54:56,334 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure cast [2018-09-20 13:54:56,334 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 13:54:56,335 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 13:54:56,336 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-09-20 13:54:56,342 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-09-20 13:54:56,343 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-09-20 13:54:56,343 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 13:54:56,418 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 13:54:56,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:54:56,422 INFO L168 Benchmark]: Toolchain (without parser) took 1498.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:54:56,424 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:54:56,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-09-20 13:54:56,425 INFO L168 Benchmark]: Boogie Preprocessor took 73.01 ms. Allocated memory is still 1.0 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:54:56,426 INFO L168 Benchmark]: RCFGBuilder took 774.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-09-20 13:54:56,427 INFO L168 Benchmark]: TraceAbstraction took 230.88 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-09-20 13:54:56,427 INFO L168 Benchmark]: Witness Printer took 102.12 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. [2018-09-20 13:54:56,432 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.01 ms. Allocated memory is still 1.0 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 774.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 230.88 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Witness Printer took 102.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 51 locations, 1 error locations. SAFE Result, 0.1s 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=45occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 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...