./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double_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_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 .............................................................................................................................................................................................................................................. 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_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/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 b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 ................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:26:20,832 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:26:20,833 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:26:20,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:26:20,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:26:20,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:26:20,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:26:20,841 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:26:20,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:26:20,842 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:26:20,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:26:20,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:26:20,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:26:20,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:26:20,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:26:20,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:26:20,844 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:26:20,845 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:26:20,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:26:20,847 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:26:20,847 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:26:20,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:26:20,849 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:26:20,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:26:20,849 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:26:20,850 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:26:20,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:26:20,850 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:26:20,851 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:26:20,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:26:20,851 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:26:20,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:26:20,852 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:26:20,852 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:26:20,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:26:20,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:26:20,853 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 22:26:20,860 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:26:20,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:26:20,861 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:26:20,861 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:26:20,861 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:26:20,861 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:26:20,861 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 22:26:20,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:26:20,862 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:26:20,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:26:20,863 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 22:26:20,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:26:20,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:26:20,864 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_854f6675-6b02-4058-9cd4-27809f604c5a/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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-12-08 22:26:20,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:26:20,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:26:20,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:26:20,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:26:20,895 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:26:20,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-08 22:26:20,937 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data/eaaa2c1f0/1595a001cdfc4b64b738d5ce77d2861f/FLAG8cecff75e [2018-12-08 22:26:21,276 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:26:21,276 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-08 22:26:21,280 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data/eaaa2c1f0/1595a001cdfc4b64b738d5ce77d2861f/FLAG8cecff75e [2018-12-08 22:26:21,288 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data/eaaa2c1f0/1595a001cdfc4b64b738d5ce77d2861f [2018-12-08 22:26:21,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:26:21,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:26:21,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:26:21,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:26:21,293 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:26:21,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21, skipping insertion in model container [2018-12-08 22:26:21,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:26:21,309 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:26:21,405 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:26:21,408 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:26:21,419 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:26:21,427 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:26:21,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21 WrapperNode [2018-12-08 22:26:21,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:26:21,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:26:21,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:26:21,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:26:21,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:26:21,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:26:21,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:26:21,441 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:26:21,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... [2018-12-08 22:26:21,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:26:21,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:26:21,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:26:21,453 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:26:21,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:26:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:26:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:26:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:26:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:26:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:26:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:26:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 22:26:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 22:26:21,583 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:26:21,583 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 22:26:21,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:26:21 BoogieIcfgContainer [2018-12-08 22:26:21,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:26:21,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:26:21,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:26:21,586 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:26:21,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:26:21" (1/3) ... [2018-12-08 22:26:21,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b637cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:26:21, skipping insertion in model container [2018-12-08 22:26:21,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:21" (2/3) ... [2018-12-08 22:26:21,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b637cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:26:21, skipping insertion in model container [2018-12-08 22:26:21,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:26:21" (3/3) ... [2018-12-08 22:26:21,587 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-12-08 22:26:21,593 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:26:21,597 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:26:21,605 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:26:21,621 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 22:26:21,621 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:26:21,621 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:26:21,621 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:26:21,621 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:26:21,621 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:26:21,622 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:26:21,622 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:26:21,622 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:26:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-08 22:26:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:26:21,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:26:21,634 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:26:21,635 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:26:21,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:26:21,638 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-08 22:26:21,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:26:21,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:26:21,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:26:21,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:26:21,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:26:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:26:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:26:21,700 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 22:26:21,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:26:21 BoogieIcfgContainer [2018-12-08 22:26:21,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:26:21,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:26:21,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:26:21,713 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:26:21,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:26:21" (3/4) ... [2018-12-08 22:26:21,715 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 22:26:21,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:26:21,716 INFO L168 Benchmark]: Toolchain (without parser) took 425.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:26:21,717 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:26:21,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.32 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:21,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.88 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:26:21,718 INFO L168 Benchmark]: Boogie Preprocessor took 11.69 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:21,718 INFO L168 Benchmark]: RCFGBuilder took 131.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:21,719 INFO L168 Benchmark]: TraceAbstraction took 128.55 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:21,719 INFO L168 Benchmark]: Witness Printer took 2.75 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. [2018-12-08 22:26:21,721 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.32 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 12.88 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.69 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 131.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 128.55 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 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 someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x,y,r; [L9] x = 77617. [L10] y = 33096. [L11] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:26:22,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:26:22,984 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:26:22,993 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:26:22,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:26:22,993 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:26:22,994 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:26:22,996 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:26:22,997 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:26:22,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:26:22,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:26:22,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:26:22,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:26:22,999 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:26:23,000 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:26:23,001 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:26:23,001 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:26:23,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:26:23,003 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:26:23,004 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:26:23,004 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:26:23,005 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:26:23,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:26:23,006 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:26:23,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:26:23,006 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:26:23,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:26:23,007 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:26:23,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:26:23,008 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:26:23,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:26:23,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:26:23,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:26:23,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:26:23,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:26:23,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:26:23,010 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 22:26:23,016 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:26:23,017 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:26:23,017 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:26:23,017 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:26:23,018 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 22:26:23,018 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 22:26:23,018 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:26:23,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:26:23,019 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:26:23,019 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:26:23,020 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 22:26:23,020 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:26:23,020 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 22:26:23,020 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 22:26:23,020 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_854f6675-6b02-4058-9cd4-27809f604c5a/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 -> b9916acd1f33e9d0a6ae2d7d8a2822e28e220182 [2018-12-08 22:26:23,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:26:23,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:26:23,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:26:23,048 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:26:23,048 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:26:23,048 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-08 22:26:23,083 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data/f4ae51ee9/d6207caed91440ed961a465eae9f5ab2/FLAG3d9c36044 [2018-12-08 22:26:23,414 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:26:23,415 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/sv-benchmarks/c/float-benchs/Rump_double_true-unreach-call_true-termination.c [2018-12-08 22:26:23,419 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data/f4ae51ee9/d6207caed91440ed961a465eae9f5ab2/FLAG3d9c36044 [2018-12-08 22:26:23,818 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/data/f4ae51ee9/d6207caed91440ed961a465eae9f5ab2 [2018-12-08 22:26:23,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:26:23,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:26:23,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:26:23,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:26:23,826 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:26:23,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49eb7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23, skipping insertion in model container [2018-12-08 22:26:23,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:26:23,848 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:26:23,937 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:26:23,941 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:26:23,953 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:26:23,962 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:26:23,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23 WrapperNode [2018-12-08 22:26:23,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:26:23,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:26:23,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:26:23,963 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:26:23,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:26:23,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:26:23,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:26:23,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:26:23,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... [2018-12-08 22:26:23,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:26:23,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:26:23,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:26:23,990 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:26:23,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:26:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:26:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:26:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:26:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:26:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:26:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:26:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 22:26:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 22:26:24,124 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:26:24,124 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 22:26:24,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:26:24 BoogieIcfgContainer [2018-12-08 22:26:24,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:26:24,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:26:24,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:26:24,127 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:26:24,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:26:23" (1/3) ... [2018-12-08 22:26:24,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e692b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:26:24, skipping insertion in model container [2018-12-08 22:26:24,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:26:23" (2/3) ... [2018-12-08 22:26:24,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e692b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:26:24, skipping insertion in model container [2018-12-08 22:26:24,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:26:24" (3/3) ... [2018-12-08 22:26:24,129 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double_true-unreach-call_true-termination.c [2018-12-08 22:26:24,134 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:26:24,138 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:26:24,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:26:24,162 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 22:26:24,162 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:26:24,163 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:26:24,163 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:26:24,163 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:26:24,163 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:26:24,163 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:26:24,163 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:26:24,163 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:26:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-08 22:26:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:26:24,175 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:26:24,176 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:26:24,177 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:26:24,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:26:24,180 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-08 22:26:24,182 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:26:24,183 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 22:26:24,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:26:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:26:35,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:26:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:26:35,352 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:26:35,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:26:35,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 22:26:35,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 22:26:35,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 22:26:35,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 22:26:35,452 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-08 22:26:35,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:26:35,484 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-08 22:26:35,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 22:26:35,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-08 22:26:35,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:26:35,490 INFO L225 Difference]: With dead ends: 24 [2018-12-08 22:26:35,490 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 22:26:35,491 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 [2018-12-08 22:26:35,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 22:26:35,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 22:26:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 22:26:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 22:26:35,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-08 22:26:35,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:26:35,506 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 22:26:35,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 22:26:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 22:26:35,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:26:35,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 22:26:35,538 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-08 22:26:35,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:26:35,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:26:35,539 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 22:26:35,539 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:26:35,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:26:35,539 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-12-08 22:26:35,540 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 77617.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (.cse0 ((_ to_fp 11 53) 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 11 53) 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 11 53) 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 11 53) 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 11 53) 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) [2018-12-08 22:26:35,540 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-12-08 22:26:35,540 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-08 22:26:35,540 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-12-08 22:26:35,540 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-08 22:26:35,540 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-08 22:26:35,540 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-08 22:26:35,540 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-08 22:26:35,540 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-08 22:26:35,540 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-08 22:26:35,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:26:35 BoogieIcfgContainer [2018-12-08 22:26:35,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:26:35,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:26:35,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:26:35,543 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:26:35,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:26:24" (3/4) ... [2018-12-08 22:26:35,545 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:26:35,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 22:26:35,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 22:26:35,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-08 22:26:35,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 22:26:35,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 22:26:35,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:26:35,573 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_854f6675-6b02-4058-9cd4-27809f604c5a/bin-2019/uautomizer/witness.graphml [2018-12-08 22:26:35,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:26:35,573 INFO L168 Benchmark]: Toolchain (without parser) took 11752.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -117.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:35,574 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:26:35,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.10 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:35,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.21 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:26:35,575 INFO L168 Benchmark]: Boogie Preprocessor took 13.50 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:35,575 INFO L168 Benchmark]: RCFGBuilder took 135.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:35,575 INFO L168 Benchmark]: TraceAbstraction took 11417.15 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:35,576 INFO L168 Benchmark]: Witness Printer took 30.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:26:35,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.10 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.21 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.50 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 135.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11417.15 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Witness Printer took 30.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 11.3s 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, 10.3s SatisfiabilityAnalysisTime, 0.8s 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...