./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 ..................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 .......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:29:30,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:29:30,562 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:29:30,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:29:30,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:29:30,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:29:30,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:29:30,570 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:29:30,571 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:29:30,572 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:29:30,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:29:30,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:29:30,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:29:30,573 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:29:30,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:29:30,574 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:29:30,574 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:29:30,575 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:29:30,576 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:29:30,577 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:29:30,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:29:30,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:29:30,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:29:30,579 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:29:30,579 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:29:30,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:29:30,580 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:29:30,581 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:29:30,581 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:29:30,582 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:29:30,582 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:29:30,582 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:29:30,582 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:29:30,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:29:30,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:29:30,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:29:30,583 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 01:29:30,590 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:29:30,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:29:30,591 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:29:30,591 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:29:30,591 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:29:30,591 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:29:30,592 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:29:30,592 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:29:30,592 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:29:30,592 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:29:30,592 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:29:30,592 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:29:30,592 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:29:30,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:29:30,593 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:29:30,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:29:30,593 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:29:30,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:29:30,593 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:29:30,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:29:30,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:29:30,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:29:30,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:29:30,594 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:29:30,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:29:30,594 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:29:30,594 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:29:30,594 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:29:30,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:29:30,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:29:30,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:29:30,595 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:29:30,595 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:29:30,595 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:29:30,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:29:30,596 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:29:30,596 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan 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 -> Taipan 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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-12-09 01:29:30,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:29:30,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:29:30,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:29:30,622 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:29:30,622 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:29:30,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 01:29:30,656 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data/1c6272eae/54b4dec281274556a6d07c2b52516145/FLAGa2d080b7e [2018-12-09 01:29:31,028 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:29:31,028 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 01:29:31,032 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data/1c6272eae/54b4dec281274556a6d07c2b52516145/FLAGa2d080b7e [2018-12-09 01:29:31,041 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data/1c6272eae/54b4dec281274556a6d07c2b52516145 [2018-12-09 01:29:31,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:29:31,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:29:31,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:29:31,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:29:31,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:29:31,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12afd553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31, skipping insertion in model container [2018-12-09 01:29:31,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:29:31,064 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:29:31,154 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:29:31,156 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:29:31,169 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:29:31,181 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:29:31,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31 WrapperNode [2018-12-09 01:29:31,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:29:31,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:29:31,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:29:31,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:29:31,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:29:31,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:29:31,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:29:31,230 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:29:31,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... [2018-12-09 01:29:31,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:29:31,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:29:31,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:29:31,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:29:31,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/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 [2018-12-09 01:29:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:29:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:29:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 01:29:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:29:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-12-09 01:29:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-12-09 01:29:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:29:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:29:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 01:29:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:29:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:29:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 01:29:31,361 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:29:31,361 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:29:31,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:29:31 BoogieIcfgContainer [2018-12-09 01:29:31,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:29:31,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:29:31,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:29:31,363 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:29:31,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:29:31" (1/3) ... [2018-12-09 01:29:31,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6600fa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:29:31, skipping insertion in model container [2018-12-09 01:29:31,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:31" (2/3) ... [2018-12-09 01:29:31,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6600fa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:29:31, skipping insertion in model container [2018-12-09 01:29:31,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:29:31" (3/3) ... [2018-12-09 01:29:31,365 INFO L112 eAbstractionObserver]: Analyzing ICFG float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 01:29:31,371 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:29:31,375 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:29:31,383 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:29:31,400 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:29:31,400 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:29:31,400 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:29:31,400 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:29:31,400 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:29:31,400 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:29:31,400 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:29:31,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:29:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-12-09 01:29:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 01:29:31,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:29:31,413 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:29:31,414 INFO L423 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:29:31,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:29:31,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1301757984, now seen corresponding path program 1 times [2018-12-09 01:29:31,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:29:31,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:29:31,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:29:31,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:29:31,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:29:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:29:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:29:31,499 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:29:31,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:29:31 BoogieIcfgContainer [2018-12-09 01:29:31,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:29:31,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:29:31,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:29:31,515 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:29:31,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:29:31" (3/4) ... [2018-12-09 01:29:31,517 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:29:31,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:29:31,518 INFO L168 Benchmark]: Toolchain (without parser) took 474.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:29:31,519 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:29:31,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:31,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:31,520 INFO L168 Benchmark]: Boogie Preprocessor took 13.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:31,520 INFO L168 Benchmark]: RCFGBuilder took 118.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:31,521 INFO L168 Benchmark]: TraceAbstraction took 152.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:31,521 INFO L168 Benchmark]: Witness Printer took 2.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:29:31,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 118.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 152.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L111] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) VAL [\old(b)=762388928] [L100] float sum = a + b; [L101] union mix m; [L102] m.f = sum [L103] EXPR m.i VAL [\old(a)=2147483651, \old(b)=762388928, a=2147483651, b=762388928, m={2147483652:0}, m.i=2147483648, sum=2147483650] [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() VAL [\old(a)=2147483651, \old(b)=762388928, a=2147483651, b=762388928, m={2147483652:0}, sum=2147483650] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:29:32,811 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:29:32,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:29:32,818 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:29:32,818 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:29:32,818 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:29:32,819 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:29:32,820 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:29:32,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:29:32,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:29:32,821 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:29:32,822 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:29:32,822 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:29:32,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:29:32,823 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:29:32,823 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:29:32,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:29:32,824 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:29:32,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:29:32,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:29:32,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:29:32,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:29:32,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:29:32,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:29:32,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:29:32,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:29:32,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:29:32,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:29:32,830 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:29:32,830 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:29:32,831 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:29:32,831 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:29:32,831 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:29:32,831 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:29:32,832 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:29:32,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:29:32,832 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 01:29:32,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:29:32,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:29:32,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:29:32,840 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:29:32,840 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:29:32,840 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:29:32,840 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:29:32,840 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:29:32,840 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:29:32,841 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:29:32,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:29:32,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:29:32,841 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:29:32,841 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:29:32,841 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:29:32,841 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:29:32,841 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:29:32,842 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:29:32,842 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:29:32,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:29:32,843 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:29:32,843 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:29:32,843 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 01:29:32,843 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:29:32,843 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 01:29:32,843 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 01:29:32,843 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_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan 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 -> Taipan 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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-12-09 01:29:32,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:29:32,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:29:32,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:29:32,870 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:29:32,870 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:29:32,871 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 01:29:32,905 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data/d269f27b8/9e8dcb9549ed4a85b7ef03621ec2d928/FLAG1eed18333 [2018-12-09 01:29:33,321 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:29:33,321 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 01:29:33,326 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data/d269f27b8/9e8dcb9549ed4a85b7ef03621ec2d928/FLAG1eed18333 [2018-12-09 01:29:33,334 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/data/d269f27b8/9e8dcb9549ed4a85b7ef03621ec2d928 [2018-12-09 01:29:33,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:29:33,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:29:33,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:29:33,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:29:33,341 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:29:33,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3950fe1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33, skipping insertion in model container [2018-12-09 01:29:33,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:29:33,364 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:29:33,457 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:29:33,460 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:29:33,474 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:29:33,488 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:29:33,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33 WrapperNode [2018-12-09 01:29:33,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:29:33,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:29:33,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:29:33,489 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:29:33,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:29:33,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:29:33,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:29:33,505 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:29:33,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... [2018-12-09 01:29:33,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:29:33,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:29:33,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:29:33,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:29:33,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/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 [2018-12-09 01:29:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:29:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:29:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:29:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 01:29:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-12-09 01:29:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-12-09 01:29:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:29:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:29:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 01:29:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:29:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:29:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 01:29:33,671 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:29:33,685 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:29:33,685 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:29:33,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:29:33 BoogieIcfgContainer [2018-12-09 01:29:33,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:29:33,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:29:33,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:29:33,688 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:29:33,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:29:33" (1/3) ... [2018-12-09 01:29:33,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575d22b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:29:33, skipping insertion in model container [2018-12-09 01:29:33,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:29:33" (2/3) ... [2018-12-09 01:29:33,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575d22b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:29:33, skipping insertion in model container [2018-12-09 01:29:33,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:29:33" (3/3) ... [2018-12-09 01:29:33,690 INFO L112 eAbstractionObserver]: Analyzing ICFG float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 01:29:33,698 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:29:33,703 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:29:33,713 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:29:33,730 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:29:33,731 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:29:33,731 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:29:33,731 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:29:33,731 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:29:33,731 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:29:33,731 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:29:33,731 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:29:33,731 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:29:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-12-09 01:29:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 01:29:33,743 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:29:33,744 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:29:33,745 INFO L423 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:29:33,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:29:33,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1301757984, now seen corresponding path program 1 times [2018-12-09 01:29:33,750 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 01:29:33,751 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 01:29:33,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:29:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:29:33,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:29:33,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:29:33,874 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 01:29:33,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:29:33,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:29:33,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:29:33,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:29:33,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:29:33,893 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 4 states. [2018-12-09 01:29:33,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:29:33,947 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-12-09 01:29:33,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:29:33,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-12-09 01:29:33,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:29:33,952 INFO L225 Difference]: With dead ends: 26 [2018-12-09 01:29:33,952 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:29:33,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 01:29:33,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:29:33,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:29:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:29:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:29:33,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-09 01:29:33,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:29:33,973 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:29:33,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:29:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:29:33,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:29:33,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:29:34,003 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:29:34,003 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point f00EXIT(lines 99 106) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point f00FINAL(lines 99 106) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point f00Err0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L451 ceAbstractionStarter]: At program point f00ENTRY(lines 99 106) the Hoare annotation is: true [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 01:29:34,004 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:29:34,004 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-09 01:29:34,005 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 108 113) the Hoare annotation is: true [2018-12-09 01:29:34,005 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 108 113) no Hoare annotation was computed. [2018-12-09 01:29:34,005 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 108 113) no Hoare annotation was computed. [2018-12-09 01:29:34,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:29:34 BoogieIcfgContainer [2018-12-09 01:29:34,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:29:34,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:29:34,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:29:34,007 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:29:34,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:29:33" (3/4) ... [2018-12-09 01:29:34,009 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:29:34,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:29:34,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f00 [2018-12-09 01:29:34,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:29:34,016 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 01:29:34,016 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 01:29:34,016 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:29:34,037 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83dcb8e5-5bde-4e20-9484-763e23c8bab7/bin-2019/utaipan/witness.graphml [2018-12-09 01:29:34,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:29:34,038 INFO L168 Benchmark]: Toolchain (without parser) took 701.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -115.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:34,039 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:29:34,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.17 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:34,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.23 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:34,039 INFO L168 Benchmark]: Boogie Preprocessor took 15.35 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:29:34,039 INFO L168 Benchmark]: RCFGBuilder took 165.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:34,040 INFO L168 Benchmark]: TraceAbstraction took 320.53 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:29:34,040 INFO L168 Benchmark]: Witness Printer took 30.74 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. [2018-12-09 01:29:34,042 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.17 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.23 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.35 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 165.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 320.53 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Witness Printer took 30.74 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: 103]: 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 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 21 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 344 SizeOfPredicates, 8 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...