./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c --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_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/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 ad42bb2010d2b192065bfa0d559e83801dcf82da .................................................................................................................................................................................................................................................. 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_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/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 ad42bb2010d2b192065bfa0d559e83801dcf82da ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 19:23:57,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:23:57,719 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:23:57,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:23:57,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:23:57,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:23:57,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:23:57,727 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:23:57,728 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:23:57,729 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:23:57,729 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:23:57,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:23:57,730 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:23:57,730 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:23:57,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:23:57,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:23:57,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:23:57,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:23:57,734 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:23:57,734 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:23:57,735 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:23:57,736 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:23:57,737 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:23:57,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:23:57,737 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:23:57,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:23:57,738 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:23:57,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:23:57,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:23:57,739 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:23:57,739 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:23:57,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:23:57,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:23:57,740 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:23:57,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:23:57,741 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:23:57,741 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 19:23:57,748 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:23:57,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:23:57,749 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:23:57,749 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 19:23:57,749 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 19:23:57,749 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 19:23:57,749 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 19:23:57,749 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 19:23:57,749 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 19:23:57,749 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 19:23:57,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:23:57,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:23:57,751 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:23:57,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:23:57,751 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:23:57,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:23:57,752 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 19:23:57,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:23:57,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 19:23:57,752 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 19:23:57,752 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_ebe55af2-778f-42be-85c9-d4fff18140a6/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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-12-02 19:23:57,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:23:57,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:23:57,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:23:57,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:23:57,783 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:23:57,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-02 19:23:57,829 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data/c05aab8f5/09538fdc70ba4c349e99468a35d25181/FLAGbdc942f40 [2018-12-02 19:23:58,212 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:23:58,213 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-02 19:23:58,216 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data/c05aab8f5/09538fdc70ba4c349e99468a35d25181/FLAGbdc942f40 [2018-12-02 19:23:58,227 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data/c05aab8f5/09538fdc70ba4c349e99468a35d25181 [2018-12-02 19:23:58,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:23:58,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:23:58,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:23:58,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:23:58,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:23:58,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58, skipping insertion in model container [2018-12-02 19:23:58,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:23:58,248 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:23:58,335 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:23:58,339 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:23:58,351 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:23:58,359 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:23:58,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58 WrapperNode [2018-12-02 19:23:58,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:23:58,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:23:58,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:23:58,360 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:23:58,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:23:58,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:23:58,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:23:58,377 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:23:58,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... [2018-12-02 19:23:58,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:23:58,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:23:58,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:23:58,393 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:23:58,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/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 [2018-12-02 19:23:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 19:23:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 19:23:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:23:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:23:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 19:23:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 19:23:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 19:23:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 19:23:58,542 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:23:58,542 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 19:23:58,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:23:58 BoogieIcfgContainer [2018-12-02 19:23:58,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:23:58,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 19:23:58,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 19:23:58,545 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 19:23:58,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:23:58" (1/3) ... [2018-12-02 19:23:58,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b8dc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:23:58, skipping insertion in model container [2018-12-02 19:23:58,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:58" (2/3) ... [2018-12-02 19:23:58,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b8dc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:23:58, skipping insertion in model container [2018-12-02 19:23:58,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:23:58" (3/3) ... [2018-12-02 19:23:58,547 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-12-02 19:23:58,553 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 19:23:58,557 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 19:23:58,571 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 19:23:58,596 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 19:23:58,596 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 19:23:58,596 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 19:23:58,596 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 19:23:58,596 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 19:23:58,596 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 19:23:58,596 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 19:23:58,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 19:23:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-02 19:23:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 19:23:58,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:23:58,610 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:23:58,611 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:23:58,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:23:58,614 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-02 19:23:58,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 19:23:58,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:23:58,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:23:58,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:23:58,644 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 19:23:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:23:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:23:58,680 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 19:23:58,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:23:58 BoogieIcfgContainer [2018-12-02 19:23:58,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 19:23:58,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:23:58,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:23:58,695 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:23:58,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:23:58" (3/4) ... [2018-12-02 19:23:58,698 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 19:23:58,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:23:58,698 INFO L168 Benchmark]: Toolchain (without parser) took 468.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:23:58,699 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-12-02 19:23:58,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.7 MB in the beginning and 945.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 19:23:58,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.67 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:23:58,700 INFO L168 Benchmark]: Boogie Preprocessor took 15.89 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 940.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 19:23:58,701 INFO L168 Benchmark]: RCFGBuilder took 150.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-02 19:23:58,701 INFO L168 Benchmark]: TraceAbstraction took 151.43 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 19:23:58,701 INFO L168 Benchmark]: Witness Printer took 2.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:23:58,703 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 128.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.7 MB in the beginning and 945.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.67 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.89 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 940.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 150.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 151.43 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 19:24:00,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:24:00,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:24:00,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:24:00,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:24:00,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:24:00,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:24:00,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:24:00,069 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:24:00,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:24:00,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:24:00,071 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:24:00,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:24:00,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:24:00,073 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:24:00,073 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:24:00,074 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:24:00,075 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:24:00,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:24:00,077 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:24:00,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:24:00,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:24:00,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:24:00,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:24:00,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:24:00,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:24:00,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:24:00,083 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:24:00,083 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:24:00,084 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:24:00,084 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:24:00,085 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:24:00,085 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:24:00,085 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:24:00,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:24:00,086 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:24:00,086 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 19:24:00,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:24:00,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:24:00,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:24:00,097 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 19:24:00,097 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 19:24:00,097 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 19:24:00,097 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 19:24:00,098 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 19:24:00,098 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 19:24:00,098 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 19:24:00,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:24:00,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:24:00,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:24:00,099 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:24:00,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:24:00,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 19:24:00,100 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:24:00,101 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 19:24:00,101 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 19:24:00,101 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_ebe55af2-778f-42be-85c9-d4fff18140a6/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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-12-02 19:24:00,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:24:00,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:24:00,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:24:00,137 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:24:00,137 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:24:00,138 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-02 19:24:00,180 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data/64ff37031/ff8cf89fa14d4ec0a1ea669961838ef8/FLAG0ff5713a5 [2018-12-02 19:24:00,500 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:24:00,500 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-02 19:24:00,503 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data/64ff37031/ff8cf89fa14d4ec0a1ea669961838ef8/FLAG0ff5713a5 [2018-12-02 19:24:00,907 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/data/64ff37031/ff8cf89fa14d4ec0a1ea669961838ef8 [2018-12-02 19:24:00,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:24:00,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:24:00,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:24:00,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:24:00,914 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:24:00,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:24:00" (1/1) ... [2018-12-02 19:24:00,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c435b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:00, skipping insertion in model container [2018-12-02 19:24:00,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:24:00" (1/1) ... [2018-12-02 19:24:00,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:24:00,935 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:24:01,031 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:24:01,037 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:24:01,049 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:24:01,057 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:24:01,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01 WrapperNode [2018-12-02 19:24:01,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:24:01,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:24:01,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:24:01,058 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:24:01,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:24:01,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:24:01,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:24:01,072 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:24:01,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... [2018-12-02 19:24:01,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:24:01,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:24:01,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:24:01,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:24:01,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/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 [2018-12-02 19:24:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 19:24:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 19:24:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:24:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:24:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 19:24:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 19:24:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 19:24:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 19:24:01,221 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:24:01,222 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 19:24:01,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:01 BoogieIcfgContainer [2018-12-02 19:24:01,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:24:01,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 19:24:01,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 19:24:01,224 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 19:24:01,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:24:00" (1/3) ... [2018-12-02 19:24:01,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cfe2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:01, skipping insertion in model container [2018-12-02 19:24:01,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:01" (2/3) ... [2018-12-02 19:24:01,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cfe2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:01, skipping insertion in model container [2018-12-02 19:24:01,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:01" (3/3) ... [2018-12-02 19:24:01,226 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-12-02 19:24:01,232 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 19:24:01,236 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 19:24:01,245 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 19:24:01,263 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 19:24:01,263 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 19:24:01,263 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 19:24:01,263 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 19:24:01,263 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 19:24:01,263 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 19:24:01,264 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 19:24:01,264 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 19:24:01,264 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 19:24:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-02 19:24:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 19:24:01,276 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:24:01,277 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:24:01,278 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:24:01,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:24:01,281 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-02 19:24:01,283 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 19:24:01,283 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/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 [2018-12-02 19:24:01,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:24:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:24:03,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:24:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:24:03,576 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 19:24:03,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:24:03,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 19:24:03,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 19:24:03,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 19:24:03,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 19:24:03,613 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-02 19:24:03,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:24:03,643 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-02 19:24:03,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 19:24:03,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-02 19:24:03,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:24:03,649 INFO L225 Difference]: With dead ends: 24 [2018-12-02 19:24:03,649 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 19:24:03,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 19:24:03,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 19:24:03,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 19:24:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 19:24:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 19:24:03,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-02 19:24:03,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:24:03,666 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 19:24:03,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 19:24:03,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 19:24:03,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 19:24:03,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 19:24:03,700 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-02 19:24:03,700 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 19:24:03,700 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 19:24:03,700 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 19:24:03,701 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 19:24:03,701 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 19:24:03,701 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-12-02 19:24:03,701 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 33096.0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven .cse2 .cse0)))) main_~r~0) [2018-12-02 19:24:03,701 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-12-02 19:24:03,702 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-02 19:24:03,702 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-12-02 19:24:03,702 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-02 19:24:03,702 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-02 19:24:03,702 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-02 19:24:03,702 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-02 19:24:03,702 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-02 19:24:03,702 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-02 19:24:03,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:24:03 BoogieIcfgContainer [2018-12-02 19:24:03,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 19:24:03,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:24:03,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:24:03,705 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:24:03,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:01" (3/4) ... [2018-12-02 19:24:03,708 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 19:24:03,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 19:24:03,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 19:24:03,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-02 19:24:03,715 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 19:24:03,715 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 19:24:03,715 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 19:24:03,738 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ebe55af2-778f-42be-85c9-d4fff18140a6/bin-2019/utaipan/witness.graphml [2018-12-02 19:24:03,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:24:03,739 INFO L168 Benchmark]: Toolchain (without parser) took 2828.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-12-02 19:24:03,740 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. [2018-12-02 19:24:03,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.51 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 19:24:03,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.45 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:24:03,741 INFO L168 Benchmark]: Boogie Preprocessor took 13.75 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 19:24:03,741 INFO L168 Benchmark]: RCFGBuilder took 136.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-12-02 19:24:03,742 INFO L168 Benchmark]: TraceAbstraction took 2482.05 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-12-02 19:24:03,742 INFO L168 Benchmark]: Witness Printer took 33.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:24:03,744 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 146.51 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 13.45 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.75 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 136.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2482.05 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Witness Printer took 33.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 195 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 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...