./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i --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_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/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 c82214860fee184bc373305d606fd208dd65fd42 ................................................................................................................................................................................................................................................ 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_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/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 c82214860fee184bc373305d606fd208dd65fd42 .............................................................................................................................................................................................................................................................................. 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 13:05:51,843 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:05:51,845 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:05:51,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:05:51,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:05:51,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:05:51,857 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:05:51,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:05:51,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:05:51,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:05:51,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:05:51,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:05:51,863 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:05:51,864 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:05:51,865 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:05:51,865 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:05:51,866 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:05:51,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:05:51,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:05:51,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:05:51,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:05:51,872 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:05:51,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:05:51,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:05:51,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:05:51,876 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:05:51,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:05:51,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:05:51,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:05:51,879 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:05:51,879 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:05:51,880 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:05:51,880 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:05:51,880 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:05:51,881 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:05:51,881 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:05:51,882 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:05:51,893 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:05:51,893 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:05:51,894 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:05:51,894 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:05:51,895 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:05:51,895 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:05:51,895 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:05:51,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:05:51,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:05:51,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:05:51,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:05:51,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:05:51,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:05:51,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:05:51,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:05:51,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:05:51,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:05:51,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:05:51,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:05:51,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:05:51,898 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:05:51,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:05:51,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:05:51,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:05:51,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:05:51,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:05:51,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:05:51,899 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:05:51,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:05:51,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:05:51,899 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_21c32837-9897-4628-853f-b930c6a75ea7/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 -> c82214860fee184bc373305d606fd208dd65fd42 [2018-11-28 13:05:51,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:05:51,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:05:51,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:05:51,937 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:05:51,937 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:05:51,937 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-11-28 13:05:51,983 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data/bd0e84cc4/09983e4194294f8682e21bb81dce9ef4/FLAG963d5e05a [2018-11-28 13:05:52,328 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:05:52,328 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-11-28 13:05:52,334 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data/bd0e84cc4/09983e4194294f8682e21bb81dce9ef4/FLAG963d5e05a [2018-11-28 13:05:52,346 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data/bd0e84cc4/09983e4194294f8682e21bb81dce9ef4 [2018-11-28 13:05:52,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:05:52,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:05:52,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:05:52,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:05:52,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:05:52,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610223a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52, skipping insertion in model container [2018-11-28 13:05:52,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:05:52,372 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:05:52,490 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:05:52,493 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:05:52,504 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:05:52,514 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:05:52,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52 WrapperNode [2018-11-28 13:05:52,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:05:52,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:05:52,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:05:52,515 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:05:52,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:05:52,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:05:52,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:05:52,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:05:52,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2018-11-28 13:05:52,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:05:52,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:05:52,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:05:52,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:05:52,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/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 13:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:05:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:05:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:05:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:05:52,725 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:05:52,725 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 13:05:52,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:52 BoogieIcfgContainer [2018-11-28 13:05:52,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:05:52,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:05:52,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:05:52,728 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:05:52,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:05:52" (1/3) ... [2018-11-28 13:05:52,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5b8c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:05:52, skipping insertion in model container [2018-11-28 13:05:52,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (2/3) ... [2018-11-28 13:05:52,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5b8c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:05:52, skipping insertion in model container [2018-11-28 13:05:52,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:52" (3/3) ... [2018-11-28 13:05:52,731 INFO L112 eAbstractionObserver]: Analyzing ICFG float12_true-unreach-call_true-termination.i [2018-11-28 13:05:52,738 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:05:52,743 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:05:52,755 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:05:52,779 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:05:52,780 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:05:52,780 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:05:52,780 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:05:52,780 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:05:52,780 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:05:52,780 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:05:52,780 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:05:52,781 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:05:52,794 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-28 13:05:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 13:05:52,799 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:52,799 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:05:52,802 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:05:52,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:52,806 INFO L82 PathProgramCache]: Analyzing trace with hash -689330286, now seen corresponding path program 1 times [2018-11-28 13:05:52,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:05:52,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:05:52,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:52,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:52,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:05:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:05:52,884 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:05:52,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:05:52 BoogieIcfgContainer [2018-11-28 13:05:52,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:05:52,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:05:52,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:05:52,903 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:05:52,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:52" (3/4) ... [2018-11-28 13:05:52,907 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:05:52,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:05:52,908 INFO L168 Benchmark]: Toolchain (without parser) took 559.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:05:52,909 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 984.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:05:52,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.92 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 950.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:52,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.35 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:52,912 INFO L168 Benchmark]: Boogie Preprocessor took 15.04 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:05:52,912 INFO L168 Benchmark]: RCFGBuilder took 179.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:52,913 INFO L168 Benchmark]: TraceAbstraction took 176.72 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:52,913 INFO L168 Benchmark]: Witness Printer took 3.95 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 13:05:52,916 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 984.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.92 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 950.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.35 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.04 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 179.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 176.72 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.95 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: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L6] float f = __VERIFIER_nondet_float(); [L7] double d; [L8] unsigned char x = __VERIFIER_nondet_uchar(); [L10] d=f VAL [d=0, f=0, x=1] [L12] COND TRUE f==x VAL [d=0, f=0, x=1] [L13] COND TRUE !(d==x) VAL [d=0, f=0, x=1] [L13] __VERIFIER_error() VAL [d=0, f=0, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 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=13occurred 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, 8 NumberOfCodeBlocks, 8 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 13:05:54,635 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:05:54,636 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:05:54,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:05:54,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:05:54,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:05:54,646 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:05:54,647 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:05:54,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:05:54,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:05:54,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:05:54,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:05:54,651 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:05:54,651 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:05:54,652 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:05:54,652 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:05:54,653 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:05:54,654 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:05:54,656 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:05:54,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:05:54,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:05:54,658 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:05:54,659 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:05:54,659 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:05:54,659 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:05:54,660 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:05:54,660 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:05:54,661 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:05:54,661 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:05:54,662 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:05:54,663 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:05:54,663 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:05:54,663 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:05:54,664 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:05:54,664 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:05:54,665 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:05:54,665 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 13:05:54,676 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:05:54,676 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:05:54,677 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:05:54,677 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:05:54,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:05:54,678 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:05:54,678 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:05:54,678 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:05:54,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:05:54,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:05:54,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:05:54,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:05:54,679 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:05:54,679 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:05:54,679 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:05:54,680 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:05:54,680 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:05:54,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:05:54,680 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:05:54,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:05:54,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:05:54,682 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:05:54,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:05:54,683 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:05:54,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:05:54,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:05:54,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:05:54,683 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:05:54,683 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:05:54,684 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:05:54,684 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:05:54,684 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 13:05:54,684 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_21c32837-9897-4628-853f-b930c6a75ea7/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 -> c82214860fee184bc373305d606fd208dd65fd42 [2018-11-28 13:05:54,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:05:54,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:05:54,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:05:54,729 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:05:54,729 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:05:54,730 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-11-28 13:05:54,788 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data/5a8874998/b2fa4da722a74980af483e545adeb99a/FLAG3a97c5e43 [2018-11-28 13:05:55,082 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:05:55,083 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-11-28 13:05:55,087 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data/5a8874998/b2fa4da722a74980af483e545adeb99a/FLAG3a97c5e43 [2018-11-28 13:05:55,515 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/data/5a8874998/b2fa4da722a74980af483e545adeb99a [2018-11-28 13:05:55,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:05:55,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:05:55,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:05:55,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:05:55,525 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:05:55,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7cc5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55, skipping insertion in model container [2018-11-28 13:05:55,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:05:55,550 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:05:55,663 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:05:55,670 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:05:55,684 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:05:55,695 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:05:55,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55 WrapperNode [2018-11-28 13:05:55,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:05:55,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:05:55,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:05:55,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:05:55,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:05:55,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:05:55,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:05:55,715 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:05:55,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2018-11-28 13:05:55,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:05:55,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:05:55,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:05:55,734 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:05:55,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/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 13:05:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:05:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:05:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:05:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:05:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:05:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:05:56,037 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:05:56,037 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 13:05:56,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:56 BoogieIcfgContainer [2018-11-28 13:05:56,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:05:56,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:05:56,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:05:56,041 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:05:56,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:05:55" (1/3) ... [2018-11-28 13:05:56,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61280c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:05:56, skipping insertion in model container [2018-11-28 13:05:56,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (2/3) ... [2018-11-28 13:05:56,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61280c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:05:56, skipping insertion in model container [2018-11-28 13:05:56,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:56" (3/3) ... [2018-11-28 13:05:56,045 INFO L112 eAbstractionObserver]: Analyzing ICFG float12_true-unreach-call_true-termination.i [2018-11-28 13:05:56,055 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:05:56,061 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:05:56,076 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:05:56,099 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:05:56,100 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:05:56,100 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:05:56,100 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:05:56,100 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:05:56,100 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:05:56,100 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:05:56,100 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:05:56,101 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:05:56,115 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-28 13:05:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 13:05:56,121 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:56,122 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:05:56,123 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:05:56,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:56,127 INFO L82 PathProgramCache]: Analyzing trace with hash -689330286, now seen corresponding path program 1 times [2018-11-28 13:05:56,131 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:05:56,131 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/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 13:05:56,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:05:56,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:05:56,421 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-28 13:05:58,498 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 13:05:58,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:05:58,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:05:58,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:05:58,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:05:58,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:05:58,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:05:58,524 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 4 states. [2018-11-28 13:06:02,047 WARN L180 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 13:06:02,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:06:02,700 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-11-28 13:06:02,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:06:02,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-28 13:06:02,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:06:02,720 INFO L225 Difference]: With dead ends: 19 [2018-11-28 13:06:02,721 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:06:02,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:06:02,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:06:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:06:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:06:02,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:06:02,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-11-28 13:06:02,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:06:02,743 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:06:02,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:06:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:06:02,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:06:02,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:06:02,786 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 13:06:02,786 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:06:02,786 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:06:02,786 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 13:06:02,786 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:06:02,786 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:06:02,786 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 4 14) the Hoare annotation is: true [2018-11-28 13:06:02,787 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-11-28 13:06:02,787 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 4 14) no Hoare annotation was computed. [2018-11-28 13:06:02,787 INFO L448 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-11-28 13:06:02,787 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 13) no Hoare annotation was computed. [2018-11-28 13:06:02,787 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-11-28 13:06:02,787 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 4 14) no Hoare annotation was computed. [2018-11-28 13:06:02,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:06:02 BoogieIcfgContainer [2018-11-28 13:06:02,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:06:02,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:06:02,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:06:02,790 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:06:02,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:56" (3/4) ... [2018-11-28 13:06:02,793 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:06:02,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:06:02,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:06:02,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 13:06:02,802 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:06:02,802 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:06:02,825 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_21c32837-9897-4628-853f-b930c6a75ea7/bin-2019/uautomizer/witness.graphml [2018-11-28 13:06:02,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:06:02,826 INFO L168 Benchmark]: Toolchain (without parser) took 7307.15 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: -170.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:06:02,826 INFO L168 Benchmark]: CDTParser took 0.20 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 13:06:02,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.49 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 13:06:02,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.62 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 13:06:02,827 INFO L168 Benchmark]: Boogie Preprocessor took 17.93 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 13:06:02,828 INFO L168 Benchmark]: RCFGBuilder took 304.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -215.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:06:02,828 INFO L168 Benchmark]: TraceAbstraction took 6751.11 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 13:06:02,829 INFO L168 Benchmark]: Witness Printer took 35.30 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 13:06:02,830 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 175.49 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 18.62 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 17.93 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. * RCFGBuilder took 304.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -215.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6751.11 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 35.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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 3 procedures, 13 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 6 SDslu, 15 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 1 QuantifiedInterpolants, 154 SizeOfPredicates, 3 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 3 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...