./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_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/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_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/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_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/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_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/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 [2018-12-09 04:29:35,018 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:29:35,019 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:29:35,025 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:29:35,025 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:29:35,025 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:29:35,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:29:35,027 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:29:35,028 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:29:35,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:29:35,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:29:35,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:29:35,030 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:29:35,030 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:29:35,031 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:29:35,031 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:29:35,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:29:35,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:29:35,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:29:35,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:29:35,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:29:35,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:29:35,037 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:29:35,037 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:29:35,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:29:35,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:29:35,038 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:29:35,039 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:29:35,039 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:29:35,040 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:29:35,040 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:29:35,040 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:29:35,040 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:29:35,041 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:29:35,041 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:29:35,042 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:29:35,042 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 04:29:35,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:29:35,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:29:35,050 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:29:35,050 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 04:29:35,050 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 04:29:35,050 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 04:29:35,051 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 04:29:35,051 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 04:29:35,051 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 04:29:35,051 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 04:29:35,051 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 04:29:35,051 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 04:29:35,051 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 04:29:35,052 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:29:35,052 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:29:35,053 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 04:29:35,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 04:29:35,053 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:29:35,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:29:35,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 04:29:35,054 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_b1e33cc3-b032-443a-b823-776fd6237a66/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 [2018-12-09 04:29:35,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:29:35,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:29:35,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:29:35,084 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:29:35,085 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:29:35,085 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-09 04:29:35,127 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data/d695dd1de/93fd65086280497cb355995d5b7411f6/FLAGe8f38429f [2018-12-09 04:29:35,550 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:29:35,551 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-09 04:29:35,554 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data/d695dd1de/93fd65086280497cb355995d5b7411f6/FLAGe8f38429f [2018-12-09 04:29:35,562 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data/d695dd1de/93fd65086280497cb355995d5b7411f6 [2018-12-09 04:29:35,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:29:35,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:29:35,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:29:35,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:29:35,567 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:29:35,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,569 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 09.12 04:29:35, skipping insertion in model container [2018-12-09 04:29:35,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:29:35,581 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:29:35,664 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:29:35,667 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:29:35,676 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:29:35,684 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:29:35,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35 WrapperNode [2018-12-09 04:29:35,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:29:35,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:29:35,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:29:35,685 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:29:35,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:29:35,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:29:35,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:29:35,697 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:29:35,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... [2018-12-09 04:29:35,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:29:35,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:29:35,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:29:35,709 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:29:35,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 04:29:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 04:29:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 04:29:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:29:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:29:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 04:29:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 04:29:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 04:29:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 04:29:35,842 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:29:35,843 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 04:29:35,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:29:35 BoogieIcfgContainer [2018-12-09 04:29:35,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:29:35,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 04:29:35,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 04:29:35,845 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 04:29:35,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:29:35" (1/3) ... [2018-12-09 04:29:35,846 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 09.12 04:29:35, skipping insertion in model container [2018-12-09 04:29:35,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:35" (2/3) ... [2018-12-09 04:29:35,846 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 09.12 04:29:35, skipping insertion in model container [2018-12-09 04:29:35,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:29:35" (3/3) ... [2018-12-09 04:29:35,847 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-12-09 04:29:35,853 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 04:29:35,857 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 04:29:35,871 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 04:29:35,896 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 04:29:35,896 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 04:29:35,896 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 04:29:35,897 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 04:29:35,897 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 04:29:35,897 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 04:29:35,897 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 04:29:35,897 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 04:29:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-09 04:29:35,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 04:29:35,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:29:35,912 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:29:35,914 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:29:35,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:29:35,917 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-09 04:29:35,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 04:29:35,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:29:35,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:29:35,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:29:35,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 04:29:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:29:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:29:35,984 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 04:29:36,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:29:36 BoogieIcfgContainer [2018-12-09 04:29:36,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 04:29:36,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:29:36,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:29:36,003 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:29:36,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:29:35" (3/4) ... [2018-12-09 04:29:36,006 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 04:29:36,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:29:36,007 INFO L168 Benchmark]: Toolchain (without parser) took 442.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:29:36,008 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-09 04:29:36,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.55 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 948.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:36,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.12 ms. Allocated memory is still 1.0 GB. Free memory is still 948.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:29:36,009 INFO L168 Benchmark]: Boogie Preprocessor took 11.29 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 942.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:36,009 INFO L168 Benchmark]: RCFGBuilder took 134.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:36,010 INFO L168 Benchmark]: TraceAbstraction took 159.25 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:36,010 INFO L168 Benchmark]: Witness Printer took 3.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:29:36,013 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 119.55 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 948.1 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 12.12 ms. Allocated memory is still 1.0 GB. Free memory is still 948.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.29 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 942.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 134.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 159.25 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 [2018-12-09 04:29:37,359 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:29:37,360 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:29:37,366 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:29:37,366 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:29:37,367 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:29:37,367 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:29:37,368 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:29:37,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:29:37,369 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:29:37,370 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:29:37,370 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:29:37,370 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:29:37,371 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:29:37,371 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:29:37,372 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:29:37,372 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:29:37,373 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:29:37,374 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:29:37,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:29:37,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:29:37,375 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:29:37,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:29:37,377 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:29:37,377 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:29:37,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:29:37,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:29:37,378 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:29:37,379 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:29:37,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:29:37,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:29:37,380 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:29:37,380 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:29:37,380 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:29:37,380 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:29:37,381 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:29:37,381 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 04:29:37,388 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:29:37,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:29:37,389 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:29:37,389 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 04:29:37,389 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 04:29:37,389 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 04:29:37,389 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 04:29:37,389 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 04:29:37,389 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 04:29:37,389 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 04:29:37,390 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:29:37,390 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:29:37,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 04:29:37,391 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 04:29:37,391 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:29:37,392 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 04:29:37,392 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 04:29:37,392 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_b1e33cc3-b032-443a-b823-776fd6237a66/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 [2018-12-09 04:29:37,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:29:37,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:29:37,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:29:37,423 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:29:37,423 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:29:37,424 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-09 04:29:37,467 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data/5b7ee71ab/e7ad213d049d4aa295204aab1f3802a7/FLAG70df5d3ff [2018-12-09 04:29:37,871 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:29:37,872 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-12-09 04:29:37,875 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data/5b7ee71ab/e7ad213d049d4aa295204aab1f3802a7/FLAG70df5d3ff [2018-12-09 04:29:37,883 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/data/5b7ee71ab/e7ad213d049d4aa295204aab1f3802a7 [2018-12-09 04:29:37,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:29:37,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:29:37,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:29:37,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:29:37,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:29:37,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:29:37" (1/1) ... [2018-12-09 04:29:37,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3325a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:37, skipping insertion in model container [2018-12-09 04:29:37,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:29:37" (1/1) ... [2018-12-09 04:29:37,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:29:37,903 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:29:37,989 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:29:37,993 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:29:38,004 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:29:38,012 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:29:38,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38 WrapperNode [2018-12-09 04:29:38,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:29:38,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:29:38,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:29:38,013 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:29:38,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:29:38,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:29:38,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:29:38,027 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:29:38,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... [2018-12-09 04:29:38,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:29:38,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:29:38,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:29:38,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:29:38,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 04:29:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 04:29:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 04:29:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:29:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:29:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 04:29:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 04:29:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 04:29:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 04:29:38,185 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:29:38,185 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 04:29:38,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:29:38 BoogieIcfgContainer [2018-12-09 04:29:38,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:29:38,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 04:29:38,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 04:29:38,188 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 04:29:38,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:29:37" (1/3) ... [2018-12-09 04:29:38,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a46a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:29:38, skipping insertion in model container [2018-12-09 04:29:38,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:29:38" (2/3) ... [2018-12-09 04:29:38,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a46a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:29:38, skipping insertion in model container [2018-12-09 04:29:38,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:29:38" (3/3) ... [2018-12-09 04:29:38,190 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-12-09 04:29:38,195 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 04:29:38,199 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 04:29:38,207 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 04:29:38,224 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 04:29:38,224 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 04:29:38,225 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 04:29:38,225 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 04:29:38,225 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 04:29:38,225 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 04:29:38,225 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 04:29:38,225 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 04:29:38,225 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 04:29:38,235 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-09 04:29:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 04:29:38,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 04:29:38,238 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 04:29:38,239 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 04:29:38,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:29:38,242 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-09 04:29:38,245 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 04:29:38,245 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 04:29:38,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:29:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:29:40,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:29:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:29:40,533 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 04:29:40,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 04:29:40,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 04:29:40,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 04:29:40,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 04:29:40,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 04:29:40,572 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-09 04:29:40,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 04:29:40,604 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-09 04:29:40,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 04:29:40,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-09 04:29:40,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 04:29:40,609 INFO L225 Difference]: With dead ends: 24 [2018-12-09 04:29:40,609 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 04:29:40,611 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 [2018-12-09 04:29:40,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 04:29:40,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 04:29:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 04:29:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 04:29:40,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-09 04:29:40,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 04:29:40,626 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 04:29:40,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 04:29:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 04:29:40,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:29:40,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 04:29:40,658 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 04:29:40,658 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 04:29:40,658 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 04:29:40,659 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 04:29:40,659 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 04:29:40,659 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 04:29:40,659 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-12-09 04:29:40,659 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) [2018-12-09 04:29:40,659 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-12-09 04:29:40,659 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-09 04:29:40,659 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-12-09 04:29:40,660 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-09 04:29:40,660 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-09 04:29:40,660 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-09 04:29:40,660 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-09 04:29:40,660 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-09 04:29:40,660 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-09 04:29:40,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:29:40 BoogieIcfgContainer [2018-12-09 04:29:40,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 04:29:40,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:29:40,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:29:40,662 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:29:40,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:29:38" (3/4) ... [2018-12-09 04:29:40,665 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:29:40,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 04:29:40,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 04:29:40,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 04:29:40,671 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 04:29:40,671 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 04:29:40,671 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 04:29:40,692 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b1e33cc3-b032-443a-b823-776fd6237a66/bin-2019/utaipan/witness.graphml [2018-12-09 04:29:40,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:29:40,693 INFO L168 Benchmark]: Toolchain (without parser) took 2807.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:40,694 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:29:40,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.46 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:40,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.52 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:29:40,694 INFO L168 Benchmark]: Boogie Preprocessor took 14.01 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:40,695 INFO L168 Benchmark]: RCFGBuilder took 144.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:40,695 INFO L168 Benchmark]: TraceAbstraction took 2475.75 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: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:29:40,695 INFO L168 Benchmark]: Witness Printer took 30.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:29:40,697 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 126.46 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.52 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.01 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2475.75 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: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. * Witness Printer took 30.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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...