./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/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_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/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_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/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_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/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 0.1.23-0cd3be1 [2018-11-28 10:34:25,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:34:25,194 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:34:25,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:34:25,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:34:25,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:34:25,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:34:25,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:34:25,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:34:25,205 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:34:25,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:34:25,206 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:34:25,207 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:34:25,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:34:25,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:34:25,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:34:25,209 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:34:25,210 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:34:25,212 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:34:25,213 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:34:25,214 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:34:25,214 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:34:25,216 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:34:25,216 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:34:25,216 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:34:25,217 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:34:25,218 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:34:25,218 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:34:25,219 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:34:25,219 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:34:25,220 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:34:25,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:34:25,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:34:25,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:34:25,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:34:25,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:34:25,222 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:34:25,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:34:25,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:34:25,230 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:34:25,230 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:34:25,230 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:34:25,230 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:34:25,231 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:34:25,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:34:25,231 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:34:25,231 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:34:25,231 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:34:25,231 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:34:25,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:34:25,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:34:25,232 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:34:25,232 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:34:25,232 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:34:25,232 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:34:25,232 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:34:25,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:34:25,233 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:34:25,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:34:25,233 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:34:25,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:34:25,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:34:25,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:34:25,234 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:34:25,234 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:34:25,234 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:34:25,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:34:25,234 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_738470e6-0512-4b67-a88c-61345f471f9b/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 [2018-11-28 10:34:25,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:34:25,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:34:25,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:34:25,267 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:34:25,267 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:34:25,268 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-11-28 10:34:25,304 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data/55a381ac8/4bd6e4f940554b8482345b7ccee7ee09/FLAG4d77f1c13 [2018-11-28 10:34:25,684 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:34:25,685 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-11-28 10:34:25,688 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data/55a381ac8/4bd6e4f940554b8482345b7ccee7ee09/FLAG4d77f1c13 [2018-11-28 10:34:25,698 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data/55a381ac8/4bd6e4f940554b8482345b7ccee7ee09 [2018-11-28 10:34:25,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:34:25,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:34:25,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:34:25,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:34:25,704 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:34:25,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e97e36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25, skipping insertion in model container [2018-11-28 10:34:25,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:34:25,721 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:34:25,811 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:34:25,814 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:34:25,825 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:34:25,832 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:34:25,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25 WrapperNode [2018-11-28 10:34:25,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:34:25,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:34:25,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:34:25,833 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:34:25,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:34:25,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:34:25,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:34:25,846 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:34:25,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... [2018-11-28 10:34:25,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:34:25,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:34:25,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:34:25,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:34:25,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:34:25,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:34:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:34:25,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:34:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:34:25,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:34:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:34:25,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 10:34:25,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 10:34:26,031 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:34:26,031 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 10:34:26,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:26 BoogieIcfgContainer [2018-11-28 10:34:26,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:34:26,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:34:26,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:34:26,034 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:34:26,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:34:25" (1/3) ... [2018-11-28 10:34:26,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fec1bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:34:26, skipping insertion in model container [2018-11-28 10:34:26,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:25" (2/3) ... [2018-11-28 10:34:26,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fec1bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:34:26, skipping insertion in model container [2018-11-28 10:34:26,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:26" (3/3) ... [2018-11-28 10:34:26,036 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-11-28 10:34:26,042 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:34:26,047 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:34:26,057 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:34:26,077 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:34:26,078 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:34:26,078 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:34:26,078 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:34:26,078 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:34:26,078 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:34:26,078 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:34:26,078 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:34:26,078 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:34:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-28 10:34:26,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 10:34:26,093 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:26,094 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:26,095 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:26,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:26,099 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-28 10:34:26,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:26,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:26,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:26,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:26,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:34:26,170 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 10:34:26,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:34:26 BoogieIcfgContainer [2018-11-28 10:34:26,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:34:26,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:34:26,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:34:26,185 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:34:26,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:26" (3/4) ... [2018-11-28 10:34:26,187 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 10:34:26,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:34:26,188 INFO L168 Benchmark]: Toolchain (without parser) took 487.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:26,189 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:26,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.87 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:26,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.40 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:26,191 INFO L168 Benchmark]: Boogie Preprocessor took 12.63 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 940.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:26,191 INFO L168 Benchmark]: RCFGBuilder took 172.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:26,192 INFO L168 Benchmark]: TraceAbstraction took 152.53 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:26,192 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:26,195 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.87 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.40 ms. Allocated memory is still 1.0 GB. Free memory is still 945.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.63 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 940.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 172.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 152.53 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:34:27,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:34:27,667 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:34:27,676 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:34:27,676 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:34:27,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:34:27,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:34:27,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:34:27,680 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:34:27,681 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:34:27,681 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:34:27,681 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:34:27,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:34:27,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:34:27,683 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:34:27,684 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:34:27,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:34:27,686 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:34:27,687 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:34:27,688 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:34:27,689 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:34:27,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:34:27,691 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:34:27,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:34:27,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:34:27,692 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:34:27,693 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:34:27,693 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:34:27,694 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:34:27,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:34:27,695 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:34:27,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:34:27,695 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:34:27,695 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:34:27,696 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:34:27,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:34:27,697 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 10:34:27,706 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:34:27,707 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:34:27,707 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:34:27,707 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:34:27,708 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:34:27,708 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:34:27,708 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:34:27,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:34:27,708 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:34:27,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:34:27,710 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:34:27,710 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:34:27,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:34:27,710 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:34:27,710 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:34:27,710 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:34:27,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:34:27,710 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:34:27,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:34:27,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:34:27,711 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 10:34:27,711 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:34:27,711 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 10:34:27,711 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 10:34:27,711 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_738470e6-0512-4b67-a88c-61345f471f9b/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 [2018-11-28 10:34:27,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:34:27,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:34:27,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:34:27,747 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:34:27,748 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:34:27,748 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-11-28 10:34:27,794 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data/0bc0dd7f8/88377dbde31d45c09e9f7486f3c485b6/FLAGaa5112fa0 [2018-11-28 10:34:28,116 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:34:28,117 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/sv-benchmarks/c/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-11-28 10:34:28,120 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data/0bc0dd7f8/88377dbde31d45c09e9f7486f3c485b6/FLAGaa5112fa0 [2018-11-28 10:34:28,550 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/data/0bc0dd7f8/88377dbde31d45c09e9f7486f3c485b6 [2018-11-28 10:34:28,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:34:28,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:34:28,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:34:28,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:34:28,557 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:34:28,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5192e415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28, skipping insertion in model container [2018-11-28 10:34:28,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:34:28,579 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:34:28,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:34:28,695 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:34:28,709 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:34:28,719 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:34:28,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28 WrapperNode [2018-11-28 10:34:28,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:34:28,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:34:28,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:34:28,721 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:34:28,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:34:28,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:34:28,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:34:28,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:34:28,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... [2018-11-28 10:34:28,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:34:28,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:34:28,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:34:28,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:34:28,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:34:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:34:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:34:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:34:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:34:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:34:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:34:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 10:34:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 10:34:28,920 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:34:28,920 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 10:34:28,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:28 BoogieIcfgContainer [2018-11-28 10:34:28,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:34:28,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:34:28,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:34:28,923 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:34:28,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:34:28" (1/3) ... [2018-11-28 10:34:28,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477865a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:34:28, skipping insertion in model container [2018-11-28 10:34:28,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:28" (2/3) ... [2018-11-28 10:34:28,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477865a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:34:28, skipping insertion in model container [2018-11-28 10:34:28,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:28" (3/3) ... [2018-11-28 10:34:28,926 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-11-28 10:34:28,933 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:34:28,938 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:34:28,948 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:34:28,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:34:28,967 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:34:28,967 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:34:28,967 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:34:28,967 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:34:28,968 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:34:28,968 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:34:28,968 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:34:28,968 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:34:28,981 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-28 10:34:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 10:34:28,986 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:28,987 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:28,988 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:28,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:28,992 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-28 10:34:28,994 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 10:34:28,994 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 10:34:28,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:31,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:34:31,484 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 10:34:31,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:31,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:34:31,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 10:34:31,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:34:31,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:34:31,529 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-11-28 10:34:31,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:31,564 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-11-28 10:34:31,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 10:34:31,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-28 10:34:31,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:31,570 INFO L225 Difference]: With dead ends: 24 [2018-11-28 10:34:31,570 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 10:34:31,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:34:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 10:34:31,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 10:34:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 10:34:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:34:31,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-28 10:34:31,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:31,593 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:34:31,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 10:34:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:34:31,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 10:34:31,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 10:34:31,629 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 10:34:31,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:34:31,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:34:31,629 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 10:34:31,630 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:34:31,630 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:34:31,630 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-11-28 10:34:31,631 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) [2018-11-28 10:34:31,631 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-11-28 10:34:31,631 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-11-28 10:34:31,631 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-11-28 10:34:31,633 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-11-28 10:34:31,633 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-11-28 10:34:31,633 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-11-28 10:34:31,633 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-28 10:34:31,633 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-11-28 10:34:31,634 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-28 10:34:31,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:34:31 BoogieIcfgContainer [2018-11-28 10:34:31,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:34:31,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:34:31,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:34:31,638 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:34:31,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:28" (3/4) ... [2018-11-28 10:34:31,641 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 10:34:31,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 10:34:31,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 10:34:31,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 10:34:31,652 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-28 10:34:31,652 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 10:34:31,652 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 10:34:31,678 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_738470e6-0512-4b67-a88c-61345f471f9b/bin-2019/uautomizer/witness.graphml [2018-11-28 10:34:31,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:34:31,678 INFO L168 Benchmark]: Toolchain (without parser) took 3125.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:31,679 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. [2018-11-28 10:34:31,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.57 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. [2018-11-28 10:34:31,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.11 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. [2018-11-28 10:34:31,680 INFO L168 Benchmark]: Boogie Preprocessor took 18.98 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. [2018-11-28 10:34:31,681 INFO L168 Benchmark]: RCFGBuilder took 165.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -214.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:31,681 INFO L168 Benchmark]: TraceAbstraction took 2716.29 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:31,681 INFO L168 Benchmark]: Witness Printer took 40.46 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. [2018-11-28 10:34:31,683 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 165.57 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 15.11 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 18.98 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 165.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -214.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2716.29 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 40.46 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, 2.6s 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, 0.1s 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, 2.2s 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...