./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/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 7de8352890f1d55270cdee8daa00c3bfaf4226ea .................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/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 7de8352890f1d55270cdee8daa00c3bfaf4226ea .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:20:37,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:20:37,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:20:37,252 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:20:37,253 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:20:37,253 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:20:37,254 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:20:37,255 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:20:37,256 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:20:37,257 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:20:37,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:20:37,258 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:20:37,258 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:20:37,259 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:20:37,260 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:20:37,260 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:20:37,261 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:20:37,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:20:37,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:20:37,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:20:37,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:20:37,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:20:37,267 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:20:37,268 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:20:37,268 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:20:37,268 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:20:37,269 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:20:37,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:20:37,270 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:20:37,271 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:20:37,271 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:20:37,271 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:20:37,272 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:20:37,272 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:20:37,272 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:20:37,273 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:20:37,273 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 04:20:37,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:20:37,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:20:37,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:20:37,284 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:20:37,284 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:20:37,284 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:20:37,284 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 04:20:37,284 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:20:37,284 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:20:37,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:20:37,285 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:20:37,286 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:20:37,286 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:20:37,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:20:37,286 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:20:37,286 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:20:37,286 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:20:37,286 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 04:20:37,286 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:20:37,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:20:37,286 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_45afdf6d-8446-441f-bc35-379a84a68eb6/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 -> 7de8352890f1d55270cdee8daa00c3bfaf4226ea [2018-11-23 04:20:37,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:20:37,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:20:37,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:20:37,315 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:20:37,315 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:20:37,316 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c [2018-11-23 04:20:37,350 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data/f6b75a588/2cde2182ebaa4da5adfc0966dfce20f4/FLAG09b57545c [2018-11-23 04:20:37,741 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:20:37,741 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c [2018-11-23 04:20:37,745 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data/f6b75a588/2cde2182ebaa4da5adfc0966dfce20f4/FLAG09b57545c [2018-11-23 04:20:37,755 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data/f6b75a588/2cde2182ebaa4da5adfc0966dfce20f4 [2018-11-23 04:20:37,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:20:37,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:20:37,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:20:37,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:20:37,761 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:20:37,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37, skipping insertion in model container [2018-11-23 04:20:37,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:20:37,779 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:20:37,883 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:20:37,885 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:20:37,894 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:20:37,903 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:20:37,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37 WrapperNode [2018-11-23 04:20:37,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:20:37,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:20:37,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:20:37,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:20:37,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:20:37,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:20:37,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:20:37,917 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:20:37,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... [2018-11-23 04:20:37,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:20:37,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:20:37,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:20:37,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:20:37,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/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 [2018-11-23 04:20:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:20:38,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:20:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:20:38,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:20:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:20:38,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:20:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 04:20:38,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 04:20:38,156 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:20:38,156 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 04:20:38,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:38 BoogieIcfgContainer [2018-11-23 04:20:38,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:20:38,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:20:38,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:20:38,160 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:20:38,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:20:37" (1/3) ... [2018-11-23 04:20:38,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c2232a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:20:38, skipping insertion in model container [2018-11-23 04:20:38,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:37" (2/3) ... [2018-11-23 04:20:38,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c2232a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:20:38, skipping insertion in model container [2018-11-23 04:20:38,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:38" (3/3) ... [2018-11-23 04:20:38,163 INFO L112 eAbstractionObserver]: Analyzing ICFG zonotope_tight_true-unreach-call_true-termination.c [2018-11-23 04:20:38,169 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:20:38,174 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:20:38,187 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:20:38,211 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:20:38,212 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:20:38,212 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:20:38,212 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:20:38,212 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:20:38,213 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:20:38,213 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:20:38,213 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:20:38,213 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:20:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 04:20:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 04:20:38,231 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:38,231 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:20:38,233 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:38,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:38,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-23 04:20:38,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:20:38,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:20:38,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:38,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:38,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:20:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:20:38,320 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #26#return; [?] CALL call #t~ret1 := main(); [?] havoc ~x~0;havoc ~y~0;~x~0 := #t~nondet0;havoc #t~nondet0;assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~x~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~x~0, 10.0) then 1 else 0);~y~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x~0, ~x~0), ~x~0); VAL [main_~x~0=2.0] [?] assume ~someBinaryDOUBLEComparisonOperation(~y~0, ~convertINTToDOUBLE(0));~y~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 10.0); VAL [main_~x~0=2.0] [?] CALL call __VERIFIER_assert((if ~someBinaryDOUBLEComparisonOperation(~y~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~y~0, 4.0) then 1 else 0)); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L13] havoc ~x~0; [L13] havoc ~y~0; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~x~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~x~0, 10.0) then 1 else 0); [L18] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x~0, ~x~0), ~x~0); VAL [~x~0=2.0] [L19-L20] assume ~someBinaryDOUBLEComparisonOperation(~y~0, ~convertINTToDOUBLE(0)); [L19] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 10.0); VAL [~x~0=2.0] [L22] CALL call __VERIFIER_assert((if ~someBinaryDOUBLEComparisonOperation(~y~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~y~0, 4.0) then 1 else 0)); VAL [#in~cond=0] [L9] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L9] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L9] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L13] havoc ~x~0; [L13] havoc ~y~0; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~x~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~x~0, 10.0) then 1 else 0); [L18] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x~0, ~x~0), ~x~0); VAL [~x~0=2.0] [L19-L20] assume ~someBinaryDOUBLEComparisonOperation(~y~0, ~convertINTToDOUBLE(0)); [L19] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 10.0); VAL [~x~0=2.0] [L22] CALL call __VERIFIER_assert((if ~someBinaryDOUBLEComparisonOperation(~y~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~y~0, 4.0) then 1 else 0)); VAL [#in~cond=0] [L9] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L9] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L9] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L13] havoc ~x~0; [L13] havoc ~y~0; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~x~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~x~0, 10.0) then 1 else 0); [L18] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x~0, ~x~0), ~x~0); VAL [~x~0=2.0] [L19] COND TRUE ~someBinaryDOUBLEComparisonOperation(~y~0, ~convertINTToDOUBLE(0)) [L19] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 10.0); VAL [~x~0=2.0] [L22] CALL call __VERIFIER_assert((if ~someBinaryDOUBLEComparisonOperation(~y~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~y~0, 4.0) then 1 else 0)); VAL [#in~cond=0] [L9] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L9] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L9] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L13] havoc ~x~0; [L13] havoc ~y~0; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~x~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~x~0, 10.0) then 1 else 0); [L18] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x~0, ~x~0), ~x~0); VAL [~x~0=2.0] [L19] COND TRUE ~someBinaryDOUBLEComparisonOperation(~y~0, ~convertINTToDOUBLE(0)) [L19] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 10.0); VAL [~x~0=2.0] [L22] CALL call __VERIFIER_assert((if ~someBinaryDOUBLEComparisonOperation(~y~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~y~0, 4.0) then 1 else 0)); VAL [#in~cond=0] [L9] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L9] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L9] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L13] havoc ~x~0; [L13] havoc ~y~0; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~x~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~x~0, 10.0) then 1 else 0); [L18] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x~0, ~x~0), ~x~0); VAL [~x~0=2.0] [L19] COND TRUE ~someBinaryDOUBLEComparisonOperation(~y~0, ~convertINTToDOUBLE(0)) [L19] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 10.0); VAL [~x~0=2.0] [L22] CALL call __VERIFIER_assert((if ~someBinaryDOUBLEComparisonOperation(~y~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~y~0, 4.0) then 1 else 0)); VAL [#in~cond=0] [L9] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L9] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L9] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L13] havoc ~x~0; [L13] havoc ~y~0; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~x~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~x~0, 10.0) then 1 else 0); [L18] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x~0, ~x~0), ~x~0); VAL [~x~0=2.0] [L19] COND TRUE ~someBinaryDOUBLEComparisonOperation(~y~0, ~convertINTToDOUBLE(0)) [L19] ~y~0 := ~someBinaryArithmeticDOUBLEoperation(~x~0, 10.0); VAL [~x~0=2.0] [L22] CALL call __VERIFIER_assert((if ~someBinaryDOUBLEComparisonOperation(~y~0, 0.0) && ~someBinaryDOUBLEComparisonOperation(~y~0, 4.0) then 1 else 0)); VAL [#in~cond=0] [L9] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L9] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L9] assert false; VAL [#in~cond=0, ~cond=0] [L13] double x,y; [L15] x = __VERIFIER_nondet_double() [L18] y = x*x - x VAL [x=2] [L19] COND TRUE y >= 0 [L19] y = x / 10. VAL [x=2] [L22] CALL __VERIFIER_assert(y >= 0. && y <= 4.) VAL [\old(cond)=0] [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L9] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 04:20:38,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:20:38 BoogieIcfgContainer [2018-11-23 04:20:38,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:20:38,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:20:38,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:20:38,344 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:20:38,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:38" (3/4) ... [2018-11-23 04:20:38,347 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 04:20:38,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:20:38,348 INFO L168 Benchmark]: Toolchain (without parser) took 590.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:20:38,349 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:20:38,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.50 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:38,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.77 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:38,351 INFO L168 Benchmark]: Boogie Preprocessor took 11.71 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:20:38,351 INFO L168 Benchmark]: RCFGBuilder took 227.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -216.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:38,352 INFO L168 Benchmark]: TraceAbstraction took 187.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:38,352 INFO L168 Benchmark]: Witness Printer took 3.52 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. [2018-11-23 04:20:38,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.50 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.77 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.71 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 227.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -216.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 187.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.52 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: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 19. Possible FailurePath: [L13] double x,y; [L15] x = __VERIFIER_nondet_double() [L18] y = x*x - x VAL [x=2] [L19] COND TRUE y >= 0 [L19] y = x / 10. VAL [x=2] [L22] CALL __VERIFIER_assert(y >= 0. && y <= 4.) VAL [\old(cond)=0] [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L9] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 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=18occurred 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, 10 NumberOfCodeBlocks, 10 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-aa41828 [2018-11-23 04:20:39,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:20:39,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:20:39,756 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:20:39,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:20:39,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:20:39,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:20:39,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:20:39,760 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:20:39,761 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:20:39,762 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:20:39,762 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:20:39,763 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:20:39,764 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:20:39,765 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:20:39,765 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:20:39,766 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:20:39,768 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:20:39,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:20:39,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:20:39,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:20:39,772 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:20:39,774 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:20:39,774 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:20:39,775 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:20:39,775 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:20:39,776 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:20:39,777 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:20:39,777 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:20:39,778 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:20:39,778 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:20:39,780 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:20:39,780 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:20:39,780 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:20:39,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:20:39,781 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:20:39,782 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 04:20:39,793 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:20:39,793 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:20:39,794 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:20:39,794 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:20:39,794 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:20:39,794 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:20:39,794 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 04:20:39,795 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:20:39,795 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:20:39,795 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:20:39,795 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:20:39,795 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:20:39,795 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:20:39,795 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:20:39,795 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 04:20:39,795 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 04:20:39,796 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:20:39,796 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:20:39,796 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:20:39,796 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:20:39,796 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:20:39,796 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:20:39,796 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:20:39,797 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:20:39,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:20:39,797 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:20:39,797 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:20:39,797 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:20:39,797 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 04:20:39,797 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:20:39,797 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 04:20:39,797 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 04:20:39,797 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_45afdf6d-8446-441f-bc35-379a84a68eb6/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 -> 7de8352890f1d55270cdee8daa00c3bfaf4226ea [2018-11-23 04:20:39,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:20:39,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:20:39,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:20:39,841 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:20:39,841 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:20:39,842 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c [2018-11-23 04:20:39,880 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data/5116a43a1/657ed5c1afc44022bf372922c58a802a/FLAG002831f75 [2018-11-23 04:20:40,270 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:20:40,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c [2018-11-23 04:20:40,274 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data/5116a43a1/657ed5c1afc44022bf372922c58a802a/FLAG002831f75 [2018-11-23 04:20:40,284 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/data/5116a43a1/657ed5c1afc44022bf372922c58a802a [2018-11-23 04:20:40,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:20:40,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:20:40,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:20:40,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:20:40,292 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:20:40,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e3bff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40, skipping insertion in model container [2018-11-23 04:20:40,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:20:40,317 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:20:40,438 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:20:40,443 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:20:40,455 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:20:40,463 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:20:40,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40 WrapperNode [2018-11-23 04:20:40,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:20:40,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:20:40,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:20:40,465 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:20:40,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:20:40,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:20:40,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:20:40,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:20:40,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... [2018-11-23 04:20:40,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:20:40,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:20:40,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:20:40,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:20:40,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/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 [2018-11-23 04:20:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:20:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:20:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:20:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:20:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:20:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:20:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 04:20:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 04:20:43,687 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:20:43,687 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 04:20:43,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:43 BoogieIcfgContainer [2018-11-23 04:20:43,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:20:43,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:20:43,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:20:43,690 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:20:43,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:20:40" (1/3) ... [2018-11-23 04:20:43,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401f9b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:20:43, skipping insertion in model container [2018-11-23 04:20:43,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:40" (2/3) ... [2018-11-23 04:20:43,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401f9b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:20:43, skipping insertion in model container [2018-11-23 04:20:43,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:43" (3/3) ... [2018-11-23 04:20:43,693 INFO L112 eAbstractionObserver]: Analyzing ICFG zonotope_tight_true-unreach-call_true-termination.c [2018-11-23 04:20:43,700 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:20:43,704 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:20:43,712 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:20:43,729 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:20:43,730 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:20:43,730 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:20:43,730 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:20:43,730 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:20:43,730 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:20:43,731 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:20:43,731 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:20:43,731 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:20:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 04:20:43,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 04:20:43,746 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:43,747 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:20:43,749 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:43,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:43,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-23 04:20:43,757 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:20:43,757 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/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 [2018-11-23 04:20:43,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:44,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:20:48,196 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (= (fp.div roundNearestTiesToEven main_~x~0 .cse0) c_main_~y~0) (fp.leq main_~x~0 .cse0) (fp.geq main_~x~0 (_ +zero 11 53))))) is different from true [2018-11-23 04:21:06,052 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c___VERIFIER_assert_#in~cond| (_ bv0 32)))) (or (and (= (bvadd |c___VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32)) (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven main_~x~0 .cse1))) (and (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 4.0)) (fp.geq .cse0 (_ +zero 11 53)) (fp.leq main_~x~0 .cse1) (fp.geq main_~x~0 (_ +zero 11 53))))))) (and .cse2 (exists ((v_prenex_3 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq v_prenex_3 .cse3) (fp.geq v_prenex_3 (_ +zero 11 53)) (not (fp.leq (fp.div roundNearestTiesToEven v_prenex_3 .cse3) ((_ to_fp 11 53) roundNearestTiesToEven 4.0))))))) (and (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.geq (fp.div roundNearestTiesToEven v_prenex_1 .cse4) (_ +zero 11 53))) (fp.geq v_prenex_1 (_ +zero 11 53)) (fp.leq v_prenex_1 .cse4)))) .cse2))) is different from false [2018-11-23 04:21:18,883 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 32) c___VERIFIER_assert_~cond))) (or (and .cse0 (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.geq (fp.div roundNearestTiesToEven v_prenex_1 .cse1) (_ +zero 11 53))) (fp.geq v_prenex_1 (_ +zero 11 53)) (fp.leq v_prenex_1 .cse1))))) (and .cse0 (exists ((v_prenex_3 (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq v_prenex_3 .cse2) (fp.geq v_prenex_3 (_ +zero 11 53)) (not (fp.leq (fp.div roundNearestTiesToEven v_prenex_3 .cse2) ((_ to_fp 11 53) roundNearestTiesToEven 4.0))))))) (= (bvadd c___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)))) is different from false [2018-11-23 04:21:30,037 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.geq (fp.div roundNearestTiesToEven v_prenex_1 .cse0) (_ +zero 11 53))) (fp.geq v_prenex_1 (_ +zero 11 53)) (fp.leq v_prenex_1 .cse0)))) (exists ((v_prenex_3 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq v_prenex_3 .cse1) (fp.geq v_prenex_3 (_ +zero 11 53)) (not (fp.leq (fp.div roundNearestTiesToEven v_prenex_3 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 4.0))))))) is different from false [2018-11-23 04:21:32,213 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.geq (fp.div roundNearestTiesToEven v_prenex_1 .cse0) (_ +zero 11 53))) (fp.geq v_prenex_1 (_ +zero 11 53)) (fp.leq v_prenex_1 .cse0)))) (exists ((v_prenex_3 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq v_prenex_3 .cse1) (fp.geq v_prenex_3 (_ +zero 11 53)) (not (fp.leq (fp.div roundNearestTiesToEven v_prenex_3 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 4.0))))))) is different from true [2018-11-23 04:21:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:21:32,217 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:21:32,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:21:32,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:21:32,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:21:32,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:21:32,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=6, Unknown=5, NotChecked=20, Total=42 [2018-11-23 04:21:32,242 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2018-11-23 04:21:35,293 WARN L832 $PredicateComparison]: unable to prove that (and (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (= (fp.div roundNearestTiesToEven main_~x~0 .cse0) c_main_~y~0) (fp.leq main_~x~0 .cse0) (fp.geq main_~x~0 (_ +zero 11 53))))) (fp.leq c_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq c_main_~x~0 (_ +zero 11 53))) is different from false [2018-11-23 04:21:37,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:21:37,373 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2018-11-23 04:21:37,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:21:37,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2018-11-23 04:21:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:21:37,417 INFO L225 Difference]: With dead ends: 30 [2018-11-23 04:21:37,417 INFO L226 Difference]: Without dead ends: 11 [2018-11-23 04:21:37,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=13, Invalid=7, Unknown=6, NotChecked=30, Total=56 [2018-11-23 04:21:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-11-23 04:21:37,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-11-23 04:21:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-23 04:21:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2018-11-23 04:21:37,440 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 10 [2018-11-23 04:21:37,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:21:37,441 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2018-11-23 04:21:37,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:21:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-23 04:21:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 04:21:37,441 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:21:37,441 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:21:37,442 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:21:37,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:21:37,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1734924095, now seen corresponding path program 1 times [2018-11-23 04:21:37,442 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:21:37,442 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 04:21:37,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:21:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:21:37,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:21:47,216 WARN L180 SmtUtils]: Spent 7.65 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-23 04:21:49,263 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven main_~x~0 main_~x~0))) (and (= (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_main_~y~0) (fp.leq main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) is different from false [2018-11-23 04:22:07,649 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse3 (= |c___VERIFIER_assert_#in~cond| (_ bv0 32)))) (or (and (= (bvadd |c___VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_7 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul roundNearestTiesToEven v_prenex_7 v_prenex_7))) (let ((.cse0 (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) (and (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 4.0)) (fp.geq .cse0 (_ +zero 11 53)) (fp.geq v_prenex_7 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse1 v_prenex_7) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.leq v_prenex_7 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) (and (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul roundNearestTiesToEven main_~x~0 main_~x~0))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (fp.leq main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) .cse3) (and (exists ((v_prenex_5 (_ FloatingPoint 11 53))) (let ((.cse4 (fp.mul roundNearestTiesToEven v_prenex_5 v_prenex_5))) (and (fp.leq v_prenex_5 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq v_prenex_5 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse4 v_prenex_5) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (fp.geq (fp.add roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53)))))) .cse3))) is different from false [2018-11-23 04:22:22,065 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 32) c___VERIFIER_assert_~cond))) (or (and .cse0 (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul roundNearestTiesToEven main_~x~0 main_~x~0))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (fp.leq main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse1 main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))))))) (and (exists ((v_prenex_7 (_ FloatingPoint 11 53))) (let ((.cse3 (fp.mul roundNearestTiesToEven v_prenex_7 v_prenex_7))) (let ((.cse2 (fp.add roundNearestTiesToEven .cse3 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) (and (fp.leq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven 4.0)) (fp.geq .cse2 (_ +zero 11 53)) (fp.geq v_prenex_7 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse3 v_prenex_7) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.leq v_prenex_7 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) (= (bvadd c___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (exists ((v_prenex_5 (_ FloatingPoint 11 53))) (let ((.cse4 (fp.mul roundNearestTiesToEven v_prenex_5 v_prenex_5))) (and (fp.leq v_prenex_5 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq v_prenex_5 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse4 v_prenex_5) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (fp.geq (fp.add roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))))))) is different from false [2018-11-23 04:22:32,344 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven main_~x~0 main_~x~0))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (fp.leq main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) (exists ((v_prenex_5 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul roundNearestTiesToEven v_prenex_5 v_prenex_5))) (and (fp.leq v_prenex_5 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq v_prenex_5 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse1 v_prenex_5) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (fp.geq (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))))) is different from false [2018-11-23 04:22:34,395 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven main_~x~0 main_~x~0))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (fp.leq main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) (exists ((v_prenex_5 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul roundNearestTiesToEven v_prenex_5 v_prenex_5))) (and (fp.leq v_prenex_5 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq v_prenex_5 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse1 v_prenex_5) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (fp.geq (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))))) is different from true [2018-11-23 04:22:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:22:34,397 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:22:34,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:22:34,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:22:34,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:22:34,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:22:34,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=6, Unknown=5, NotChecked=20, Total=42 [2018-11-23 04:22:34,410 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand 7 states. [2018-11-23 04:22:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:22:36,485 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2018-11-23 04:22:36,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:22:36,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2018-11-23 04:22:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:22:36,537 INFO L225 Difference]: With dead ends: 11 [2018-11-23 04:22:36,537 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:22:36,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.6s TimeCoverageRelationStatistics Valid=11, Invalid=6, Unknown=5, NotChecked=20, Total=42 [2018-11-23 04:22:36,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:22:36,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:22:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:22:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:22:36,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 04:22:36,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:22:36,539 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:22:36,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:22:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:22:36,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:22:36,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:22:58,689 WARN L180 SmtUtils]: Spent 22.11 s on a formula simplification that was a NOOP. DAG size: 26 [2018-11-23 04:23:00,408 WARN L180 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 117 DAG size of output: 1 [2018-11-23 04:23:00,409 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 04:23:00,409 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:23:00,410 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:23:00,410 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 04:23:00,410 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:23:00,410 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:23:00,411 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 20) the Hoare annotation is: (or (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven main_~x~0 main_~x~0))) (and (= (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) main_~y~0) (fp.leq main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) (and (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (= (fp.div roundNearestTiesToEven main_~x~0 .cse1) main_~y~0) (fp.leq main_~x~0 .cse1) (fp.geq main_~x~0 (_ +zero 11 53))))) (fp.leq main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)))) [2018-11-23 04:23:00,411 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 11 24) the Hoare annotation is: true [2018-11-23 04:23:00,411 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 11 24) no Hoare annotation was computed. [2018-11-23 04:23:00,411 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 11 24) no Hoare annotation was computed. [2018-11-23 04:23:00,411 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 04:23:00,411 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-11-23 04:23:00,412 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 9) the Hoare annotation is: true [2018-11-23 04:23:00,412 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 9) no Hoare annotation was computed. [2018-11-23 04:23:00,412 INFO L448 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-11-23 04:23:00,412 INFO L448 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2018-11-23 04:23:00,412 INFO L448 ceAbstractionStarter]: For program point L9-3(line 9) no Hoare annotation was computed. [2018-11-23 04:23:00,412 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-11-23 04:23:00,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:23:00 BoogieIcfgContainer [2018-11-23 04:23:00,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:23:00,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:23:00,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:23:00,416 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:23:00,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:43" (3/4) ... [2018-11-23 04:23:00,419 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:23:00,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:23:00,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:23:00,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 04:23:00,427 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 04:23:00,427 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 04:23:00,427 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:23:00,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45afdf6d-8446-441f-bc35-379a84a68eb6/bin-2019/uautomizer/witness.graphml [2018-11-23 04:23:00,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:23:00,451 INFO L168 Benchmark]: Toolchain (without parser) took 140163.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -104.1 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:23:00,451 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:23:00,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.35 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:23:00,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.90 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:23:00,452 INFO L168 Benchmark]: Boogie Preprocessor took 16.93 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:23:00,453 INFO L168 Benchmark]: RCFGBuilder took 3189.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:23:00,453 INFO L168 Benchmark]: TraceAbstraction took 136726.77 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:23:00,453 INFO L168 Benchmark]: Witness Printer took 35.18 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. [2018-11-23 04:23:00,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.35 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 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 16.90 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.93 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3189.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 136726.77 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * Witness Printer took 35.18 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: 9]: 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, 18 locations, 1 error locations. SAFE Result, 136.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 7.3s AutomataDifference, 0.0s DeadEndRemovalTime, 23.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 1 SDslu, 60 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 7 PreInvPairs, 8 NumberOfFragments, 66 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 443 FormulaSimplificationTreeSizeReductionInter, 23.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 104.5s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 8 QuantifiedInterpolants, 5373 SizeOfPredicates, 6 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...