./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_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_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 .............................................................................................................................................................................................................................................. 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_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 .............................................................................................................................................................................................................................................................................. 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 18:41:35,896 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:41:35,898 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:41:35,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:41:35,904 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:41:35,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:41:35,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:41:35,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:41:35,906 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:41:35,907 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:41:35,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:41:35,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:41:35,908 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:41:35,908 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:41:35,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:41:35,909 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:41:35,910 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:41:35,910 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:41:35,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:41:35,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:41:35,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:41:35,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:41:35,914 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:41:35,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:41:35,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:41:35,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:41:35,915 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:41:35,915 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:41:35,916 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:41:35,916 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:41:35,916 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:41:35,917 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:41:35,917 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:41:35,917 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:41:35,917 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:41:35,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:41:35,918 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:41:35,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:41:35,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:41:35,925 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:41:35,925 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:41:35,925 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:41:35,926 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:41:35,926 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:41:35,926 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:41:35,926 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:41:35,926 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:41:35,926 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:41:35,926 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:41:35,926 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:41:35,926 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:41:35,927 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:41:35,927 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:41:35,928 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:41:35,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:41:35,928 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:41:35,928 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:41:35,928 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:41:35,928 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:41:35,928 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:41:35,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:41:35,928 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:41:35,928 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_4b3c5d7e-cc38-4257-81e0-78561498c335/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-12-09 18:41:35,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:41:35,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:41:35,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:41:35,954 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:41:35,955 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:41:35,955 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-12-09 18:41:36,000 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data/bc2be6ab4/a9e68dedc3c942e99d40c273779cfbfd/FLAGe7b91c50c [2018-12-09 18:41:36,469 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:41:36,470 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-12-09 18:41:36,473 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data/bc2be6ab4/a9e68dedc3c942e99d40c273779cfbfd/FLAGe7b91c50c [2018-12-09 18:41:36,481 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data/bc2be6ab4/a9e68dedc3c942e99d40c273779cfbfd [2018-12-09 18:41:36,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:41:36,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:41:36,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:41:36,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:41:36,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:41:36,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf66e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36, skipping insertion in model container [2018-12-09 18:41:36,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:41:36,502 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:41:36,587 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:41:36,591 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:41:36,601 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:41:36,609 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:41:36,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36 WrapperNode [2018-12-09 18:41:36,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:41:36,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:41:36,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:41:36,610 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:41:36,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:41:36,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:41:36,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:41:36,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:41:36,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... [2018-12-09 18:41:36,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:41:36,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:41:36,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:41:36,631 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:41:36,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/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 18:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:41:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:41:36,749 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:41:36,749 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 18:41:36,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:41:36 BoogieIcfgContainer [2018-12-09 18:41:36,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:41:36,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:41:36,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:41:36,752 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:41:36,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:41:36" (1/3) ... [2018-12-09 18:41:36,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d0e098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:41:36, skipping insertion in model container [2018-12-09 18:41:36,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:36" (2/3) ... [2018-12-09 18:41:36,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d0e098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:41:36, skipping insertion in model container [2018-12-09 18:41:36,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:41:36" (3/3) ... [2018-12-09 18:41:36,755 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp1_true-unreach-call_true-termination.i [2018-12-09 18:41:36,761 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:41:36,764 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:41:36,773 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:41:36,793 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:41:36,793 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:41:36,793 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:41:36,793 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:41:36,793 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:41:36,793 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:41:36,793 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:41:36,793 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:41:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 18:41:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 18:41:36,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:41:36,806 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:41:36,807 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:41:36,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:41:36,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-12-09 18:41:36,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:41:36,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:41:36,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:41:36,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:41:36,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:41:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:41:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:41:36,869 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 18:41:36,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:41:36 BoogieIcfgContainer [2018-12-09 18:41:36,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:41:36,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:41:36,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:41:36,882 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:41:36,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:41:36" (3/4) ... [2018-12-09 18:41:36,884 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 18:41:36,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:41:36,885 INFO L168 Benchmark]: Toolchain (without parser) took 401.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -106.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:41:36,886 INFO L168 Benchmark]: CDTParser took 0.12 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 18:41:36,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.42 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 941.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:36,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.29 ms. Allocated memory is still 1.0 GB. Free memory was 941.6 MB in the beginning and 938.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:36,887 INFO L168 Benchmark]: Boogie Preprocessor took 9.96 ms. Allocated memory is still 1.0 GB. Free memory is still 938.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:41:36,888 INFO L168 Benchmark]: RCFGBuilder took 118.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:36,888 INFO L168 Benchmark]: TraceAbstraction took 131.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:36,888 INFO L168 Benchmark]: Witness Printer took 2.68 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 18:41:36,891 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 125.42 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 941.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.29 ms. Allocated memory is still 1.0 GB. Free memory was 941.6 MB in the beginning and 938.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.96 ms. Allocated memory is still 1.0 GB. Free memory is still 938.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 118.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 131.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.68 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) VAL [j=0] [L10] __VERIFIER_error() VAL [j=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.0s 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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 18:41:38,184 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:41:38,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:41:38,191 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:41:38,191 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:41:38,191 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:41:38,192 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:41:38,193 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:41:38,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:41:38,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:41:38,194 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:41:38,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:41:38,195 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:41:38,196 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:41:38,196 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:41:38,196 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:41:38,197 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:41:38,198 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:41:38,199 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:41:38,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:41:38,201 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:41:38,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:41:38,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:41:38,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:41:38,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:41:38,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:41:38,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:41:38,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:41:38,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:41:38,207 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:41:38,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:41:38,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:41:38,207 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:41:38,207 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:41:38,208 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:41:38,209 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:41:38,209 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 18:41:38,219 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:41:38,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:41:38,220 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:41:38,220 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:41:38,220 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:41:38,221 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:41:38,221 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:41:38,221 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:41:38,221 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:41:38,221 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:41:38,222 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:41:38,222 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:41:38,222 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:41:38,222 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:41:38,222 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:41:38,222 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:41:38,222 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:41:38,223 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 18:41:38,223 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 18:41:38,223 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:41:38,223 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:41:38,223 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:41:38,223 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:41:38,223 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:41:38,224 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:41:38,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:41:38,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:41:38,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:41:38,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:41:38,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:41:38,224 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:41:38,224 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 18:41:38,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:41:38,225 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 18:41:38,225 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 18:41:38,225 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_4b3c5d7e-cc38-4257-81e0-78561498c335/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-12-09 18:41:38,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:41:38,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:41:38,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:41:38,263 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:41:38,263 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:41:38,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-12-09 18:41:38,306 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data/57c9b9b1f/e6d6f3dc75204551ad30d3c1a3bbc079/FLAG858e0441b [2018-12-09 18:41:38,686 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:41:38,686 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-12-09 18:41:38,691 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data/57c9b9b1f/e6d6f3dc75204551ad30d3c1a3bbc079/FLAG858e0441b [2018-12-09 18:41:38,699 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/data/57c9b9b1f/e6d6f3dc75204551ad30d3c1a3bbc079 [2018-12-09 18:41:38,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:41:38,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:41:38,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:41:38,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:41:38,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:41:38,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0a9d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38, skipping insertion in model container [2018-12-09 18:41:38,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:41:38,725 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:41:38,808 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:41:38,813 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:41:38,821 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:41:38,833 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:41:38,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38 WrapperNode [2018-12-09 18:41:38,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:41:38,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:41:38,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:41:38,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:41:38,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:41:38,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:41:38,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:41:38,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:41:38,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... [2018-12-09 18:41:38,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:41:38,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:41:38,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:41:38,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:41:38,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/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 18:41:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:41:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:41:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:41:38,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:41:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:41:38,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:41:38,995 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:41:38,995 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 18:41:38,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:41:38 BoogieIcfgContainer [2018-12-09 18:41:38,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:41:38,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:41:38,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:41:38,999 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:41:38,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:41:38" (1/3) ... [2018-12-09 18:41:38,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45de71bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:41:38, skipping insertion in model container [2018-12-09 18:41:38,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:41:38" (2/3) ... [2018-12-09 18:41:38,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45de71bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:41:38, skipping insertion in model container [2018-12-09 18:41:39,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:41:38" (3/3) ... [2018-12-09 18:41:39,001 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp1_true-unreach-call_true-termination.i [2018-12-09 18:41:39,007 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:41:39,010 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:41:39,019 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:41:39,039 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 18:41:39,039 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:41:39,039 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:41:39,040 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:41:39,040 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:41:39,040 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:41:39,040 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:41:39,040 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:41:39,040 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:41:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 18:41:39,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 18:41:39,055 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:41:39,055 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:41:39,056 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:41:39,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:41:39,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-12-09 18:41:39,062 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:41:39,062 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/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 18:41:39,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:41:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:39,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:41:39,125 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 18:41:39,126 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:41:39,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:41:39,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:41:39,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:41:39,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:41:39,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:41:39,151 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-12-09 18:41:39,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:41:39,164 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-09 18:41:39,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:41:39,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 18:41:39,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:41:39,169 INFO L225 Difference]: With dead ends: 16 [2018-12-09 18:41:39,170 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:41:39,171 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:41:39,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:41:39,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:41:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:41:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:41:39,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-12-09 18:41:39,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:41:39,192 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:41:39,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:41:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:41:39,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:41:39,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:41:39,226 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 18:41:39,227 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:41:39,227 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:41:39,227 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 18:41:39,227 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:41:39,227 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:41:39,227 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-12-09 18:41:39,227 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 2 11) the Hoare annotation is: true [2018-12-09 18:41:39,228 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-12-09 18:41:39,228 INFO L448 ceAbstractionStarter]: For program point L10-1(line 10) no Hoare annotation was computed. [2018-12-09 18:41:39,228 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 2 11) no Hoare annotation was computed. [2018-12-09 18:41:39,228 INFO L448 ceAbstractionStarter]: For program point L10-3(lines 2 11) no Hoare annotation was computed. [2018-12-09 18:41:39,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:41:39 BoogieIcfgContainer [2018-12-09 18:41:39,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:41:39,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:41:39,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:41:39,231 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:41:39,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:41:38" (3/4) ... [2018-12-09 18:41:39,234 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:41:39,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:41:39,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:41:39,243 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 18:41:39,243 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 18:41:39,243 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:41:39,266 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b3c5d7e-cc38-4257-81e0-78561498c335/bin-2019/utaipan/witness.graphml [2018-12-09 18:41:39,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:41:39,267 INFO L168 Benchmark]: Toolchain (without parser) took 565.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:41:39,268 INFO L168 Benchmark]: CDTParser took 0.16 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 18:41:39,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.50 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:39,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.75 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:41:39,268 INFO L168 Benchmark]: Boogie Preprocessor took 17.16 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:41:39,268 INFO L168 Benchmark]: RCFGBuilder took 130.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:39,269 INFO L168 Benchmark]: TraceAbstraction took 234.06 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:39,269 INFO L168 Benchmark]: Witness Printer took 35.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:39,271 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 131.50 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.75 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.16 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 130.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 234.06 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Witness Printer took 35.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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 3 procedures, 12 locations, 1 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 3 NumberOfNonLiveVariables, 15 ConjunctsInSsa, 4 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...