./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_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad42bb2010d2b192065bfa0d559e83801dcf82da ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 14:42:32,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:42:32,481 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:42:32,487 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:42:32,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:42:32,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:42:32,488 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:42:32,489 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:42:32,490 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:42:32,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:42:32,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:42:32,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:42:32,491 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:42:32,492 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:42:32,492 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:42:32,493 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:42:32,493 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:42:32,494 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:42:32,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:42:32,496 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:42:32,496 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:42:32,497 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:42:32,498 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:42:32,498 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:42:32,498 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:42:32,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:42:32,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:42:32,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:42:32,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:42:32,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:42:32,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:42:32,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:42:32,501 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:42:32,501 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:42:32,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:42:32,502 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:42:32,502 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 14:42:32,508 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:42:32,509 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:42:32,509 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:42:32,509 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 14:42:32,509 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 14:42:32,510 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:42:32,510 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:42:32,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 14:42:32,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:42:32,511 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 14:42:32,512 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:42:32,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 14:42:32,512 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_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-12-01 14:42:32,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:42:32,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:42:32,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:42:32,542 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:42:32,542 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:42:32,542 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-01 14:42:32,577 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data/9b4e4aab7/b7438e1fd5f84848a06587528253252a/FLAGaef52925e [2018-12-01 14:42:32,959 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:42:32,960 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-01 14:42:32,963 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data/9b4e4aab7/b7438e1fd5f84848a06587528253252a/FLAGaef52925e [2018-12-01 14:42:32,972 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data/9b4e4aab7/b7438e1fd5f84848a06587528253252a [2018-12-01 14:42:32,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:42:32,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:42:32,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:42:32,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:42:32,977 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:42:32,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:42:32" (1/1) ... [2018-12-01 14:42:32,980 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 01.12 02:42:32, skipping insertion in model container [2018-12-01 14:42:32,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:42:32" (1/1) ... [2018-12-01 14:42:32,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:42:32,992 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:42:33,074 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:42:33,077 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:42:33,087 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:42:33,094 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:42:33,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33 WrapperNode [2018-12-01 14:42:33,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:42:33,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:42:33,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:42:33,095 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:42:33,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:42:33,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:42:33,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:42:33,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:42:33,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... [2018-12-01 14:42:33,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:42:33,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:42:33,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:42:33,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:42:33,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 14:42:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 14:42:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 14:42:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:42:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:42:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 14:42:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 14:42:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-01 14:42:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-01 14:42:33,259 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:42:33,259 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 14:42:33,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:42:33 BoogieIcfgContainer [2018-12-01 14:42:33,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:42:33,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 14:42:33,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 14:42:33,262 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 14:42:33,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:42:32" (1/3) ... [2018-12-01 14:42:33,263 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 01.12 02:42:33, skipping insertion in model container [2018-12-01 14:42:33,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:33" (2/3) ... [2018-12-01 14:42:33,263 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 01.12 02:42:33, skipping insertion in model container [2018-12-01 14:42:33,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:42:33" (3/3) ... [2018-12-01 14:42:33,264 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-12-01 14:42:33,270 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 14:42:33,274 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 14:42:33,283 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 14:42:33,300 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 14:42:33,300 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 14:42:33,301 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 14:42:33,301 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 14:42:33,301 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 14:42:33,301 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 14:42:33,301 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 14:42:33,301 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 14:42:33,301 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 14:42:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-01 14:42:33,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:42:33,314 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 14:42:33,314 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 14:42:33,316 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 14:42:33,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:42:33,319 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-01 14:42:33,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 14:42:33,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 14:42:33,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 14:42:33,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 14:42:33,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 14:42:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:42:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:42:33,381 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 14:42:33,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:42:33 BoogieIcfgContainer [2018-12-01 14:42:33,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 14:42:33,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:42:33,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:42:33,395 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:42:33,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:42:33" (3/4) ... [2018-12-01 14:42:33,397 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 14:42:33,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:42:33,398 INFO L168 Benchmark]: Toolchain (without parser) took 423.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:42:33,399 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:42:33,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.88 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:42:33,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.88 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 945.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-12-01 14:42:33,400 INFO L168 Benchmark]: Boogie Preprocessor took 11.61 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:42:33,400 INFO L168 Benchmark]: RCFGBuilder took 140.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-01 14:42:33,401 INFO L168 Benchmark]: TraceAbstraction took 134.07 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. [2018-12-01 14:42:33,401 INFO L168 Benchmark]: Witness Printer took 2.78 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. [2018-12-01 14:42:33,403 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 119.88 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 11.88 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 945.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.61 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 140.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134.07 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. * Witness Printer took 2.78 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: - 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, 0.0s 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=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 [2018-12-01 14:42:34,661 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:42:34,661 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:42:34,667 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:42:34,668 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:42:34,668 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:42:34,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:42:34,670 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:42:34,670 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:42:34,671 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:42:34,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:42:34,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:42:34,672 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:42:34,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:42:34,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:42:34,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:42:34,674 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:42:34,674 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:42:34,675 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:42:34,676 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:42:34,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:42:34,677 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:42:34,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:42:34,678 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:42:34,679 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:42:34,679 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:42:34,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:42:34,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:42:34,680 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:42:34,681 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:42:34,681 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:42:34,681 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:42:34,681 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:42:34,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:42:34,682 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:42:34,682 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:42:34,683 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 14:42:34,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:42:34,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:42:34,690 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:42:34,690 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 14:42:34,691 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:42:34,691 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:42:34,691 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 14:42:34,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:42:34,691 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:42:34,691 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:42:34,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:42:34,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:42:34,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:42:34,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:42:34,692 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 14:42:34,692 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 14:42:34,692 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:42:34,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:42:34,692 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:42:34,693 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:42:34,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:42:34,693 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 14:42:34,693 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:42:34,693 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 14:42:34,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 14:42:34,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:42:34,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:42:34,694 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:42:34,694 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 14:42:34,694 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:42:34,694 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 14:42:34,694 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 14:42:34,694 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_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-12-01 14:42:34,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:42:34,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:42:34,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:42:34,722 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:42:34,722 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:42:34,723 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-01 14:42:34,760 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data/f0a6229d3/81613768ea8e4a1d964edfd076ea5261/FLAGc5eba43ca [2018-12-01 14:42:35,115 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:42:35,116 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-01 14:42:35,119 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data/f0a6229d3/81613768ea8e4a1d964edfd076ea5261/FLAGc5eba43ca [2018-12-01 14:42:35,499 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/data/f0a6229d3/81613768ea8e4a1d964edfd076ea5261 [2018-12-01 14:42:35,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:42:35,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:42:35,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:42:35,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:42:35,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:42:35,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49eb7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35, skipping insertion in model container [2018-12-01 14:42:35,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:42:35,524 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:42:35,610 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:42:35,614 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:42:35,625 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:42:35,634 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:42:35,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35 WrapperNode [2018-12-01 14:42:35,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:42:35,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:42:35,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:42:35,635 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:42:35,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:42:35,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:42:35,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:42:35,649 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:42:35,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... [2018-12-01 14:42:35,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:42:35,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:42:35,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:42:35,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:42:35,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 14:42:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 14:42:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 14:42:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:42:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:42:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 14:42:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 14:42:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-01 14:42:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-01 14:42:35,808 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:42:35,808 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 14:42:35,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:42:35 BoogieIcfgContainer [2018-12-01 14:42:35,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:42:35,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 14:42:35,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 14:42:35,811 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 14:42:35,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:42:35" (1/3) ... [2018-12-01 14:42:35,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e692b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:42:35, skipping insertion in model container [2018-12-01 14:42:35,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:42:35" (2/3) ... [2018-12-01 14:42:35,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e692b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:42:35, skipping insertion in model container [2018-12-01 14:42:35,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:42:35" (3/3) ... [2018-12-01 14:42:35,813 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-12-01 14:42:35,819 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 14:42:35,823 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 14:42:35,832 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 14:42:35,849 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 14:42:35,849 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 14:42:35,849 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 14:42:35,850 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 14:42:35,850 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 14:42:35,850 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 14:42:35,850 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 14:42:35,850 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 14:42:35,850 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 14:42:35,859 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-01 14:42:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:42:35,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 14:42:35,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 14:42:35,864 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 14:42:35,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:42:35,867 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-01 14:42:35,870 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-01 14:42:35,870 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-01 14:42:35,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 14:42:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:42:38,110 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:42:38,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:42:38,194 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 14:42:38,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 14:42:38,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 14:42:38,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 14:42:38,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 14:42:38,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 14:42:38,232 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-01 14:42:38,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 14:42:38,262 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-01 14:42:38,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 14:42:38,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-01 14:42:38,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 14:42:38,267 INFO L225 Difference]: With dead ends: 24 [2018-12-01 14:42:38,267 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 14:42:38,269 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 [2018-12-01 14:42:38,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 14:42:38,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 14:42:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 14:42:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 14:42:38,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-01 14:42:38,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 14:42:38,284 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 14:42:38,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 14:42:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 14:42:38,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:42:38,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 14:42:38,316 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-01 14:42:38,316 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 14:42:38,316 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 14:42:38,316 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 14:42:38,316 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 14:42:38,316 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 14:42:38,316 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-12-01 14:42:38,317 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) [2018-12-01 14:42:38,317 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-12-01 14:42:38,317 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-01 14:42:38,317 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-12-01 14:42:38,317 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-01 14:42:38,317 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-01 14:42:38,317 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-01 14:42:38,317 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-01 14:42:38,317 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-01 14:42:38,318 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-01 14:42:38,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:42:38 BoogieIcfgContainer [2018-12-01 14:42:38,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 14:42:38,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:42:38,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:42:38,320 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:42:38,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:42:35" (3/4) ... [2018-12-01 14:42:38,322 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:42:38,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 14:42:38,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 14:42:38,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-01 14:42:38,329 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 14:42:38,329 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 14:42:38,329 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 14:42:38,350 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97590aa5-c2ae-48de-bb5f-ac407b81fc96/bin-2019/uautomizer/witness.graphml [2018-12-01 14:42:38,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:42:38,350 INFO L168 Benchmark]: Toolchain (without parser) took 2848.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -108.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-12-01 14:42:38,351 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:42:38,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.82 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. [2018-12-01 14:42:38,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.54 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. [2018-12-01 14:42:38,352 INFO L168 Benchmark]: Boogie Preprocessor took 14.25 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. [2018-12-01 14:42:38,352 INFO L168 Benchmark]: RCFGBuilder took 145.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:42:38,352 INFO L168 Benchmark]: TraceAbstraction took 2510.56 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:42:38,353 INFO L168 Benchmark]: Witness Printer took 30.34 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-01 14:42:38,354 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.82 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 13.54 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 14.25 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 145.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2510.56 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Witness Printer took 30.34 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: 6.6 MB). Peak memory consumption was 6.6 MB. 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...