./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer --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 0a5777cb7d0bbf0d840893f3aa39606f5237d830 .......................................................................................................................................................................................................................................... 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_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer --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 0a5777cb7d0bbf0d840893f3aa39606f5237d830 ............................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:55:32,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:55:32,749 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:55:32,756 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:55:32,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:55:32,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:55:32,757 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:55:32,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:55:32,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:55:32,760 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:55:32,761 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:55:32,761 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:55:32,762 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:55:32,762 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:55:32,763 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:55:32,764 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:55:32,764 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:55:32,765 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:55:32,767 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:55:32,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:55:32,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:55:32,769 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:55:32,771 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:55:32,771 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:55:32,771 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:55:32,772 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:55:32,773 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:55:32,773 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:55:32,774 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:55:32,774 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:55:32,774 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:55:32,775 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:55:32,775 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:55:32,775 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:55:32,776 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:55:32,776 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:55:32,776 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 11:55:32,787 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:55:32,787 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:55:32,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:55:32,787 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:55:32,788 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:55:32,788 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:55:32,788 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:55:32,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:55:32,789 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:55:32,789 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:55:32,789 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:55:32,789 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:55:32,789 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:55:32,789 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:55:32,789 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:55:32,790 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:55:32,790 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:55:32,790 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:55:32,790 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:55:32,790 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:55:32,790 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:55:32,790 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:55:32,790 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:55:32,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:55:32,791 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:55:32,791 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:55:32,791 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:55:32,791 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:55:32,791 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:55:32,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:55:32,792 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_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 0a5777cb7d0bbf0d840893f3aa39606f5237d830 [2018-11-18 11:55:32,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:55:32,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:55:32,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:55:32,824 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:55:32,824 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:55:32,825 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-11-18 11:55:32,861 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data/206cc0e4a/b9253f084bf04d48a11ada3be8ec9bd5/FLAG86ba1cfbd [2018-11-18 11:55:33,248 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:55:33,248 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-11-18 11:55:33,252 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data/206cc0e4a/b9253f084bf04d48a11ada3be8ec9bd5/FLAG86ba1cfbd [2018-11-18 11:55:33,260 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data/206cc0e4a/b9253f084bf04d48a11ada3be8ec9bd5 [2018-11-18 11:55:33,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:55:33,263 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:55:33,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:55:33,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:55:33,266 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:55:33,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7ab956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33, skipping insertion in model container [2018-11-18 11:55:33,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:55:33,286 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:55:33,391 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:55:33,394 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:55:33,406 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:55:33,414 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:55:33,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33 WrapperNode [2018-11-18 11:55:33,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:55:33,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:55:33,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:55:33,415 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:55:33,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (1/1) ... [2018-11-18 11:55:33,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:55:33,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:55:33,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:55:33,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:55:33,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:55:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:55:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:55:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:55:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:55:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:55:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:55:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:55:33,627 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:55:33,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:33 BoogieIcfgContainer [2018-11-18 11:55:33,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:55:33,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:55:33,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:55:33,630 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:55:33,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:55:33" (1/3) ... [2018-11-18 11:55:33,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b85aab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:33, skipping insertion in model container [2018-11-18 11:55:33,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:33" (2/3) ... [2018-11-18 11:55:33,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b85aab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:33, skipping insertion in model container [2018-11-18 11:55:33,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:33" (3/3) ... [2018-11-18 11:55:33,633 INFO L112 eAbstractionObserver]: Analyzing ICFG float13_true-unreach-call_true-termination.i [2018-11-18 11:55:33,638 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:55:33,642 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-11-18 11:55:33,651 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-11-18 11:55:33,668 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:55:33,669 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:55:33,669 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:55:33,669 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:55:33,669 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:55:33,669 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:55:33,669 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:55:33,669 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:55:33,669 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:55:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-18 11:55:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 11:55:33,689 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:55:33,689 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:55:33,691 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:55:33,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:33,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1459462506, now seen corresponding path program 1 times [2018-11-18 11:55:33,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:55:33,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:55:33,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:33,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:55:33,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:55:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:55:33,771 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:55:33,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:55:33 BoogieIcfgContainer [2018-11-18 11:55:33,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:55:33,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:55:33,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:55:33,785 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:55:33,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:33" (3/4) ... [2018-11-18 11:55:33,788 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:55:33,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:55:33,788 INFO L168 Benchmark]: Toolchain (without parser) took 525.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:55:33,789 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:55:33,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.51 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:33,790 INFO L168 Benchmark]: Boogie Preprocessor took 18.19 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:33,791 INFO L168 Benchmark]: RCFGBuilder took 194.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:33,791 INFO L168 Benchmark]: TraceAbstraction took 156.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:33,792 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:55:33,794 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.51 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.19 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 194.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 156.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 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: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 3. Possible FailurePath: [L3] const float plus_infinity = 1.0f/0.0f; [L4] const float minus_infinity = 0.0f/-0.0f; [L5] const float NaN = 0.0f * (1.0f/0.0f); VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3] [L9] _Bool temp; [L12] temp = NaN < plus_infinity VAL [temp=1] [L13] COND TRUE !(!temp) VAL [temp=1] [L13] __VERIFIER_error() VAL [temp=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 8 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=42occurred 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, 8 NumberOfCodeBlocks, 8 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 0.1.23-5842f4b [2018-11-18 11:55:35,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:55:35,157 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:55:35,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:55:35,164 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:55:35,165 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:55:35,166 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:55:35,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:55:35,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:55:35,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:55:35,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:55:35,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:55:35,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:55:35,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:55:35,172 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:55:35,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:55:35,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:55:35,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:55:35,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:55:35,176 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:55:35,177 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:55:35,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:55:35,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:55:35,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:55:35,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:55:35,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:55:35,181 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:55:35,182 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:55:35,182 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:55:35,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:55:35,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:55:35,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:55:35,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:55:35,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:55:35,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:55:35,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:55:35,186 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 11:55:35,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:55:35,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:55:35,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:55:35,196 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:55:35,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:55:35,197 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:55:35,197 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:55:35,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:55:35,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:55:35,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:55:35,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:55:35,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:55:35,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:55:35,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:55:35,198 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:55:35,198 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:55:35,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:55:35,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:55:35,199 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:55:35,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:55:35,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:55:35,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:55:35,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:55:35,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:55:35,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:55:35,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:55:35,200 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:55:35,200 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:55:35,200 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 11:55:35,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:55:35,200 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:55:35,200 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:55:35,201 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_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 0a5777cb7d0bbf0d840893f3aa39606f5237d830 [2018-11-18 11:55:35,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:55:35,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:55:35,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:55:35,239 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:55:35,239 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:55:35,240 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-11-18 11:55:35,275 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data/c9dfb2822/49853ab6bfd343b0b020f5e9d23f0f27/FLAGa098ace8d [2018-11-18 11:55:35,667 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:55:35,668 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/sv-benchmarks/c/floats-cbmc-regression/float13_true-unreach-call_true-termination.i [2018-11-18 11:55:35,671 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data/c9dfb2822/49853ab6bfd343b0b020f5e9d23f0f27/FLAGa098ace8d [2018-11-18 11:55:35,679 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/data/c9dfb2822/49853ab6bfd343b0b020f5e9d23f0f27 [2018-11-18 11:55:35,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:55:35,682 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:55:35,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:55:35,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:55:35,686 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:55:35,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ace656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35, skipping insertion in model container [2018-11-18 11:55:35,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:55:35,708 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:55:35,832 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:55:35,838 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:55:35,853 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:55:35,865 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:55:35,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35 WrapperNode [2018-11-18 11:55:35,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:55:35,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:55:35,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:55:35,866 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:55:35,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (1/1) ... [2018-11-18 11:55:35,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:55:35,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:55:35,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:55:35,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:55:35,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:55:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:55:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:55:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:55:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:55:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:55:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:55:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:55:36,119 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:55:36,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:36 BoogieIcfgContainer [2018-11-18 11:55:36,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:55:36,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:55:36,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:55:36,122 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:55:36,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:55:35" (1/3) ... [2018-11-18 11:55:36,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5506514e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:36, skipping insertion in model container [2018-11-18 11:55:36,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:35" (2/3) ... [2018-11-18 11:55:36,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5506514e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:36, skipping insertion in model container [2018-11-18 11:55:36,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:36" (3/3) ... [2018-11-18 11:55:36,125 INFO L112 eAbstractionObserver]: Analyzing ICFG float13_true-unreach-call_true-termination.i [2018-11-18 11:55:36,130 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:55:36,135 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-11-18 11:55:36,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-11-18 11:55:36,168 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:55:36,169 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:55:36,169 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:55:36,169 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:55:36,169 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:55:36,169 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:55:36,169 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:55:36,169 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:55:36,169 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:55:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-18 11:55:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 11:55:36,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:55:36,185 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:55:36,186 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:55:36,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:36,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1459462506, now seen corresponding path program 1 times [2018-11-18 11:55:36,192 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:55:36,192 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/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 [2018-11-18 11:55:36,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:55:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:36,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:55:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:36,290 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:55:36,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:55:36,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:55:36,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:55:36,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:55:36,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:55:36,318 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2018-11-18 11:55:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:55:36,404 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2018-11-18 11:55:36,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:55:36,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-18 11:55:36,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:55:36,411 INFO L225 Difference]: With dead ends: 61 [2018-11-18 11:55:36,411 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:55:36,413 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:55:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:55:36,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:55:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:55:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:55:36,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-11-18 11:55:36,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:55:36,430 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:55:36,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:55:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:55:36,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:55:36,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:55:36,483 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:55:36,483 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:55:36,483 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:55:36,483 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:55:36,483 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (fp.mul roundNearestTiesToEven (_ +zero 8 24) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) ~NaN~0) [2018-11-18 11:55:36,483 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point L31-3(line 31) no Hoare annotation was computed. [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 7 37) no Hoare annotation was computed. [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-11-18 11:55:36,484 INFO L425 ceAbstractionStarter]: For program point L19-3(line 19) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point L28-3(line 28) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-11-18 11:55:36,485 INFO L425 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 7 37) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point L13-3(line 13) no Hoare annotation was computed. [2018-11-18 11:55:36,486 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 11:55:36,487 INFO L425 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2018-11-18 11:55:36,487 INFO L425 ceAbstractionStarter]: For program point L34-3(line 34) no Hoare annotation was computed. [2018-11-18 11:55:36,487 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 7 37) the Hoare annotation is: true [2018-11-18 11:55:36,487 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 11:55:36,487 INFO L425 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-11-18 11:55:36,487 INFO L425 ceAbstractionStarter]: For program point L22-3(line 22) no Hoare annotation was computed. [2018-11-18 11:55:36,487 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-11-18 11:55:36,487 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2018-11-18 11:55:36,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:55:36 BoogieIcfgContainer [2018-11-18 11:55:36,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:55:36,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:55:36,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:55:36,492 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:55:36,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:36" (3/4) ... [2018-11-18 11:55:36,496 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:55:36,501 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:55:36,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:55:36,505 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 11:55:36,506 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:55:36,539 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_940142ae-41e0-4094-bd9f-d6e08e6268bf/bin-2019/uautomizer/witness.graphml [2018-11-18 11:55:36,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:55:36,540 INFO L168 Benchmark]: Toolchain (without parser) took 858.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:36,541 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-18 11:55:36,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.45 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:36,542 INFO L168 Benchmark]: Boogie Preprocessor took 27.96 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:36,542 INFO L168 Benchmark]: RCFGBuilder took 224.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:36,542 INFO L168 Benchmark]: TraceAbstraction took 372.05 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:36,543 INFO L168 Benchmark]: Witness Printer took 47.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:55:36,545 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.45 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.96 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 224.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 372.05 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * Witness Printer took 47.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 25]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 28]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 8 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 22 SDslu, 8 SDs, 0 SdLazy, 16 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 14 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 23 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 343 SizeOfPredicates, 2 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 3 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...