./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee5ae4bbae935ee4fc29ea9e50ac81dc390a543f ................................................................................................................................................................................................................................................................................................................................................................................ 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_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee5ae4bbae935ee4fc29ea9e50ac81dc390a543f ............................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:47:19,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:47:19,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:47:19,141 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:47:19,141 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:47:19,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:47:19,142 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:47:19,144 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:47:19,145 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:47:19,146 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:47:19,146 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:47:19,146 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:47:19,147 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:47:19,148 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:47:19,149 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:47:19,149 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:47:19,150 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:47:19,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:47:19,153 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:47:19,154 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:47:19,155 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:47:19,156 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:47:19,157 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:47:19,157 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:47:19,158 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:47:19,158 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:47:19,159 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:47:19,160 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:47:19,160 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:47:19,161 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:47:19,161 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:47:19,162 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:47:19,162 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:47:19,162 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:47:19,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:47:19,163 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:47:19,163 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:47:19,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:47:19,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:47:19,174 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:47:19,175 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:47:19,175 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:47:19,175 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:47:19,175 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:47:19,175 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:47:19,175 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:47:19,175 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:47:19,176 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:47:19,176 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:47:19,176 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:47:19,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:47:19,177 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:47:19,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:47:19,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:47:19,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:47:19,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:47:19,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:47:19,177 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:47:19,178 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:47:19,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:47:19,178 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:47:19,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:47:19,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:47:19,178 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:47:19,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:47:19,179 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:47:19,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:47:19,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:47:19,179 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:47:19,179 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:47:19,179 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:47:19,180 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:47:19,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:47:19,180 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:47:19,180 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee5ae4bbae935ee4fc29ea9e50ac81dc390a543f [2018-11-18 12:47:19,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:47:19,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:47:19,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:47:19,219 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:47:19,219 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:47:19,219 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c [2018-11-18 12:47:19,266 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data/1b768fe28/2b864245b3a145e593733051064d0373/FLAG21af03ff4 [2018-11-18 12:47:19,599 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:47:19,599 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c [2018-11-18 12:47:19,603 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data/1b768fe28/2b864245b3a145e593733051064d0373/FLAG21af03ff4 [2018-11-18 12:47:20,025 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data/1b768fe28/2b864245b3a145e593733051064d0373 [2018-11-18 12:47:20,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:47:20,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:47:20,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:47:20,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:47:20,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:47:20,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20, skipping insertion in model container [2018-11-18 12:47:20,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:47:20,056 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:47:20,183 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:47:20,185 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:47:20,202 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:47:20,215 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:47:20,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20 WrapperNode [2018-11-18 12:47:20,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:47:20,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:47:20,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:47:20,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:47:20,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:47:20,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:47:20,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:47:20,234 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:47:20,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... [2018-11-18 12:47:20,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:47:20,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:47:20,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:47:20,290 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:47:20,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:47:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 12:47:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 12:47:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 12:47:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 12:47:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 12:47:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 12:47:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:47:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:47:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:47:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:47:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 12:47:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:47:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:47:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:47:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:47:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:47:20,491 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:47:20,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:20 BoogieIcfgContainer [2018-11-18 12:47:20,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:47:20,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:47:20,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:47:20,493 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:47:20,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:47:20" (1/3) ... [2018-11-18 12:47:20,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198a62da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:47:20, skipping insertion in model container [2018-11-18 12:47:20,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:20" (2/3) ... [2018-11-18 12:47:20,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198a62da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:47:20, skipping insertion in model container [2018-11-18 12:47:20,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:20" (3/3) ... [2018-11-18 12:47:20,495 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300_true-unreach-call.c [2018-11-18 12:47:20,501 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:47:20,505 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:47:20,514 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:47:20,533 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:47:20,533 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:47:20,533 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:47:20,533 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:47:20,533 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:47:20,533 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:47:20,533 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:47:20,533 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:47:20,543 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-18 12:47:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:47:20,547 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:20,547 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:20,549 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:20,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:20,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1121597390, now seen corresponding path program 1 times [2018-11-18 12:47:20,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:20,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:20,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:20,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:20,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:20,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:20,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:47:20,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:20,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:47:20,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:47:20,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:47:20,659 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-11-18 12:47:20,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:20,674 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2018-11-18 12:47:20,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:47:20,676 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-18 12:47:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:20,683 INFO L225 Difference]: With dead ends: 66 [2018-11-18 12:47:20,683 INFO L226 Difference]: Without dead ends: 32 [2018-11-18 12:47:20,686 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:47:20,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-18 12:47:20,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-18 12:47:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-18 12:47:20,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-11-18 12:47:20,713 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 24 [2018-11-18 12:47:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:20,714 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-11-18 12:47:20,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:47:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-11-18 12:47:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:47:20,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:20,715 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:20,715 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:20,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:20,715 INFO L82 PathProgramCache]: Analyzing trace with hash 786955524, now seen corresponding path program 1 times [2018-11-18 12:47:20,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:20,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:20,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:20,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:20,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:20,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:20,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:47:20,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:47:20,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:47:20,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:47:20,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:47:20,793 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 3 states. [2018-11-18 12:47:20,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:20,810 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2018-11-18 12:47:20,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:47:20,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-11-18 12:47:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:20,811 INFO L225 Difference]: With dead ends: 44 [2018-11-18 12:47:20,811 INFO L226 Difference]: Without dead ends: 32 [2018-11-18 12:47:20,811 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:47:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-18 12:47:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-18 12:47:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-18 12:47:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2018-11-18 12:47:20,814 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 26 [2018-11-18 12:47:20,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:20,815 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2018-11-18 12:47:20,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:47:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2018-11-18 12:47:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:47:20,815 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:20,816 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:20,816 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:20,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:20,816 INFO L82 PathProgramCache]: Analyzing trace with hash 2071661056, now seen corresponding path program 1 times [2018-11-18 12:47:20,816 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:47:20,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:20,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:20,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:47:20,817 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:47:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:47:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:47:20,907 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:47:20,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:47:20 BoogieIcfgContainer [2018-11-18 12:47:20,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:47:20,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:47:20,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:47:20,934 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:47:20,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:20" (3/4) ... [2018-11-18 12:47:20,938 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:47:20,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:47:20,939 INFO L168 Benchmark]: Toolchain (without parser) took 911.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -100.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:20,940 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:47:20,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.99 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:20,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.22 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:47:20,941 INFO L168 Benchmark]: Boogie Preprocessor took 56.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:20,942 INFO L168 Benchmark]: RCFGBuilder took 201.41 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:20,942 INFO L168 Benchmark]: TraceAbstraction took 442.16 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: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:20,943 INFO L168 Benchmark]: Witness Printer took 4.12 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. [2018-11-18 12:47:20,945 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.99 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.22 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 201.41 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 442.16 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: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.12 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: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 25, overapproximation of bitwiseAnd at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of to_real at line 55. Possible FailurePath: [L50] double x = __VERIFIER_nondet_double(); [L53] CALL, EXPR isinf_double(x) VAL [\old(x)=10737418243] [L17] __int32_t hx, lx; VAL [\old(x)=10737418243, x=10737418243] [L19] FCALL ieee_double_shape_type ew_u; [L20] FCALL ew_u.value = (x) [L21] EXPR, FCALL ew_u.parts.msw [L21] (hx) = ew_u.parts.msw [L22] EXPR, FCALL ew_u.parts.lsw [L22] (lx) = ew_u.parts.lsw [L23] COND FALSE !(0) VAL [\old(x)=10737418243, hx=-2147483648, lx=-2147483648, x=10737418243] [L24] hx &= 0x7fffffff [L25] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L26] hx = 0x7ff00000 - hx [L27] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418243, \result=0, hx=2146435073, lx=-2147483648, x=10737418243] [L53] EXPR isinf_double(x) VAL [isinf_double(x)=0, x=10737418243] [L53] !isinf_double(x) && !isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, x=10737418243] [L53] CALL, EXPR isnan_double(x) VAL [\old(x)=10737418243] [L31] RET return x != x; VAL [\old(x)=10737418243, \result=0, x=10737418243] [L53] EXPR isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, isnan_double(x)=0, x=10737418243] [L53] !isinf_double(x) && !isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, isnan_double(x)=0, x=10737418243] [L53] COND TRUE !isinf_double(x) && !isnan_double(x) [L55] CALL, EXPR isfinite_double(x) VAL [\old(x)=10737418243] [L34] __int32_t hx; VAL [\old(x)=10737418243, x=10737418243] [L36] FCALL ieee_double_shape_type gh_u; [L37] FCALL gh_u.value = (x) [L38] EXPR, FCALL gh_u.parts.msw [L38] (hx) = gh_u.parts.msw [L39] COND FALSE !(0) VAL [\old(x)=10737418243, hx=2147483647, x=10737418243] [L40] RET return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=10737418243, \result=3, hx=2147483647, x=10737418243] [L55] EXPR isfinite_double(x) VAL [isfinite_double(x)=3, x=10737418243] [L55] double res = isfinite_double(x); [L58] COND TRUE res == 0.0 VAL [x=10737418243] [L59] __VERIFIER_error() VAL [x=10737418243] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 70 SDtfs, 0 SDslu, 27 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 0.1.23-5842f4b [2018-11-18 12:47:22,359 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-11-18 12:47:22,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:47:22,384 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:47:22,386 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:47:22,387 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:47:22,387 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:47:22,388 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:47:22,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:47:22,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:47:22,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:47:22,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:47:22,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:47:22,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:47:22,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:47:22,391 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 12:47:22,402 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:47:22,402 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:47:22,403 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:47:22,403 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:47:22,403 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:47:22,403 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:47:22,403 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:47:22,404 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:47:22,404 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:47:22,404 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:47:22,404 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:47:22,404 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:47:22,405 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:47:22,406 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:47:22,406 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:47:22,406 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:47:22,406 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:47:22,406 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:47:22,406 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:47:22,406 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:47:22,406 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:47:22,407 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:47:22,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:47:22,407 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:47:22,407 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:47:22,407 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:47:22,407 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:47:22,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:47:22,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:47:22,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:47:22,407 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:47:22,408 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:47:22,408 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:47:22,408 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:47:22,408 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:47:22,408 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_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee5ae4bbae935ee4fc29ea9e50ac81dc390a543f [2018-11-18 12:47:22,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:47:22,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:47:22,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:47:22,454 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:47:22,454 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:47:22,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c [2018-11-18 12:47:22,499 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data/12c17b436/aa48f4c487a84b57a426c87357f5a7c4/FLAGff5883e17 [2018-11-18 12:47:22,802 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:47:22,802 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c [2018-11-18 12:47:22,806 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data/12c17b436/aa48f4c487a84b57a426c87357f5a7c4/FLAGff5883e17 [2018-11-18 12:47:22,816 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/data/12c17b436/aa48f4c487a84b57a426c87357f5a7c4 [2018-11-18 12:47:22,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:47:22,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:47:22,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:47:22,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:47:22,823 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:47:22,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:47:22" (1/1) ... [2018-11-18 12:47:22,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e13833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:22, skipping insertion in model container [2018-11-18 12:47:22,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:47:22" (1/1) ... [2018-11-18 12:47:22,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:47:22,851 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:47:22,973 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:47:22,976 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:47:22,993 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:47:23,011 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:47:23,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23 WrapperNode [2018-11-18 12:47:23,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:47:23,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:47:23,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:47:23,012 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:47:23,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:47:23,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:47:23,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:47:23,031 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:47:23,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:47:23,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:47:23,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:47:23,054 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:47:23,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:47:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 12:47:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 12:47:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 12:47:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 12:47:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 12:47:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 12:47:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 12:47:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:47:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:47:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:47:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:47:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:47:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:47:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:47:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:47:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:47:23,238 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:47:23,287 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:47:23,344 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:47:23,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:23 BoogieIcfgContainer [2018-11-18 12:47:23,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:47:23,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:47:23,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:47:23,348 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:47:23,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:47:22" (1/3) ... [2018-11-18 12:47:23,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd8ede3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:47:23, skipping insertion in model container [2018-11-18 12:47:23,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (2/3) ... [2018-11-18 12:47:23,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd8ede3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:47:23, skipping insertion in model container [2018-11-18 12:47:23,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:23" (3/3) ... [2018-11-18 12:47:23,350 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300_true-unreach-call.c [2018-11-18 12:47:23,355 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:47:23,360 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:47:23,370 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:47:23,388 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:47:23,388 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:47:23,388 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:47:23,388 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:47:23,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:47:23,389 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:47:23,389 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:47:23,389 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:47:23,389 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:47:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-18 12:47:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:47:23,402 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:23,402 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:23,404 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:23,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:23,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1121597390, now seen corresponding path program 1 times [2018-11-18 12:47:23,410 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:47:23,410 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 12:47:23,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:23,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:47:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:23,480 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:47:23,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:23,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:47:23,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:47:23,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:47:23,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:47:23,503 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-11-18 12:47:23,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:23,520 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2018-11-18 12:47:23,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:47:23,521 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-18 12:47:23,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:23,528 INFO L225 Difference]: With dead ends: 66 [2018-11-18 12:47:23,528 INFO L226 Difference]: Without dead ends: 32 [2018-11-18 12:47:23,530 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:47:23,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-18 12:47:23,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-18 12:47:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-18 12:47:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-11-18 12:47:23,557 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 24 [2018-11-18 12:47:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:23,557 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-11-18 12:47:23,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:47:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-11-18 12:47:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:47:23,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:23,558 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:23,558 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:23,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:23,559 INFO L82 PathProgramCache]: Analyzing trace with hash 786955524, now seen corresponding path program 1 times [2018-11-18 12:47:23,559 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:47:23,559 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/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 [2018-11-18 12:47:23,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:23,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:47:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:23,642 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:47:23,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:23,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:47:23,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:47:23,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:47:23,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:47:23,655 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 3 states. [2018-11-18 12:47:23,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:23,665 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2018-11-18 12:47:23,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:47:23,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-11-18 12:47:23,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:23,666 INFO L225 Difference]: With dead ends: 44 [2018-11-18 12:47:23,668 INFO L226 Difference]: Without dead ends: 32 [2018-11-18 12:47:23,669 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:47:23,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-18 12:47:23,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-18 12:47:23,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-18 12:47:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2018-11-18 12:47:23,672 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 26 [2018-11-18 12:47:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:23,673 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2018-11-18 12:47:23,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:47:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2018-11-18 12:47:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:47:23,674 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:47:23,674 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:47:23,674 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:47:23,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:23,674 INFO L82 PathProgramCache]: Analyzing trace with hash 2071661056, now seen corresponding path program 1 times [2018-11-18 12:47:23,675 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:47:23,675 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 12:47:23,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:47:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:23,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:47:23,800 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:47:23,801 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:47:23,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 12:47:23,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-18 12:47:23,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:47:23,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-18 12:47:23,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-18 12:47:23,880 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:47:23,883 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:47:23,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:47:23,898 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:47:23,899 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-11-18 12:47:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:27,975 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:47:27,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:47:27,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-18 12:47:27,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 12:47:27,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 12:47:27,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2018-11-18 12:47:27,988 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 17 states. [2018-11-18 12:47:29,895 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-11-18 12:47:30,848 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2018-11-18 12:47:32,250 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2018-11-18 12:47:33,757 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-11-18 12:47:38,794 WARN L180 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-18 12:47:38,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:47:38,796 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2018-11-18 12:47:38,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 12:47:38,796 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-11-18 12:47:38,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:47:38,797 INFO L225 Difference]: With dead ends: 32 [2018-11-18 12:47:38,797 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:47:38,798 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2018-11-18 12:47:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:47:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:47:38,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:47:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:47:38,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-11-18 12:47:38,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:47:38,800 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:47:38,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 12:47:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:47:38,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:47:38,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:47:38,920 INFO L421 ceAbstractionStarter]: At program point L35-3(lines 35 39) the Hoare annotation is: (= isfinite_double_~x |isfinite_double_#in~x|) [2018-11-18 12:47:38,920 INFO L425 ceAbstractionStarter]: For program point L35-4(lines 35 39) no Hoare annotation was computed. [2018-11-18 12:47:38,920 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 33 41) no Hoare annotation was computed. [2018-11-18 12:47:38,920 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 33 41) no Hoare annotation was computed. [2018-11-18 12:47:38,920 INFO L428 ceAbstractionStarter]: At program point isfinite_doubleENTRY(lines 33 41) the Hoare annotation is: true [2018-11-18 12:47:38,920 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2018-11-18 12:47:38,920 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 31) the Hoare annotation is: true [2018-11-18 12:47:38,921 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 31) no Hoare annotation was computed. [2018-11-18 12:47:38,921 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 31) no Hoare annotation was computed. [2018-11-18 12:47:38,921 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:47:38,921 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:47:38,921 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:47:38,921 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 23) no Hoare annotation was computed. [2018-11-18 12:47:38,921 INFO L425 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 16 28) no Hoare annotation was computed. [2018-11-18 12:47:38,921 INFO L421 ceAbstractionStarter]: At program point L18-3(lines 18 23) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-11-18 12:47:38,921 INFO L425 ceAbstractionStarter]: For program point L18-4(lines 18 23) no Hoare annotation was computed. [2018-11-18 12:47:38,921 INFO L425 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 16 28) no Hoare annotation was computed. [2018-11-18 12:47:38,922 INFO L428 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 16 28) the Hoare annotation is: true [2018-11-18 12:47:38,922 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:47:38,922 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:47:38,922 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:47:38,922 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:47:38,922 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2018-11-18 12:47:38,922 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 43 65) no Hoare annotation was computed. [2018-11-18 12:47:38,922 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 43 65) no Hoare annotation was computed. [2018-11-18 12:47:38,922 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 59) no Hoare annotation was computed. [2018-11-18 12:47:38,922 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 43 65) the Hoare annotation is: true [2018-11-18 12:47:38,922 INFO L425 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-11-18 12:47:38,923 INFO L421 ceAbstractionStarter]: At program point L55(line 55) the Hoare annotation is: (and (fp.eq main_~x~0 main_~x~0) (exists ((v_prenex_7 (_ BitVec 64))) (and (= main_~x~0 (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= (_ bv4294967295 32) (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_7)) (bvlshr (let ((.cse1 ((_ extract 31 0) v_prenex_7))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))))))) [2018-11-18 12:47:38,923 INFO L425 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-11-18 12:47:38,923 INFO L428 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: true [2018-11-18 12:47:38,923 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-18 12:47:38,923 INFO L425 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-11-18 12:47:38,923 INFO L421 ceAbstractionStarter]: At program point L53-3(line 53) the Hoare annotation is: (and (exists ((v_prenex_7 (_ BitVec 64))) (and (= main_~x~0 (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_7)) (bvlshr (let ((.cse1 ((_ extract 31 0) v_prenex_7))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) |main_#t~ret7|))) |main_#t~short9| (exists ((v_prenex_7 (_ BitVec 64))) (and (= main_~x~0 (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= (_ bv4294967295 32) (bvneg (bvlshr (let ((.cse2 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_7)) (bvlshr (let ((.cse3 ((_ extract 31 0) v_prenex_7))) (bvor .cse3 (bvneg .cse3))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32))))))) [2018-11-18 12:47:38,923 INFO L425 ceAbstractionStarter]: For program point L53-4(line 53) no Hoare annotation was computed. [2018-11-18 12:47:38,923 INFO L425 ceAbstractionStarter]: For program point L53-6(lines 53 62) no Hoare annotation was computed. [2018-11-18 12:47:38,923 INFO L425 ceAbstractionStarter]: For program point L53-8(lines 53 62) no Hoare annotation was computed. [2018-11-18 12:47:38,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:47:38 BoogieIcfgContainer [2018-11-18 12:47:38,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:47:38,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:47:38,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:47:38,934 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:47:38,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:23" (3/4) ... [2018-11-18 12:47:38,937 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:47:38,942 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-11-18 12:47:38,942 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 12:47:38,942 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:47:38,942 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-11-18 12:47:38,943 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:47:38,946 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 12:47:38,946 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:47:38,947 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:47:38,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 12:47:38,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 12:47:38,984 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8ec21920-d338-4ed6-9068-1a7765a93f93/bin-2019/utaipan/witness.graphml [2018-11-18 12:47:38,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:47:38,986 INFO L168 Benchmark]: Toolchain (without parser) took 16166.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 950.8 MB in the beginning and 898.4 MB in the end (delta: 52.4 MB). Peak memory consumption was 217.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:38,986 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:47:38,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.18 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:38,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.72 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:47:38,987 INFO L168 Benchmark]: Boogie Preprocessor took 21.98 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:47:38,987 INFO L168 Benchmark]: RCFGBuilder took 292.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:38,989 INFO L168 Benchmark]: TraceAbstraction took 15587.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.2 MB in the end (delta: 229.1 MB). Peak memory consumption was 229.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:38,989 INFO L168 Benchmark]: Witness Printer took 51.14 ms. Allocated memory is still 1.2 GB. Free memory was 905.2 MB in the beginning and 898.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:47:38,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.18 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.72 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.98 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 292.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15587.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.2 MB in the end (delta: 229.1 MB). Peak memory consumption was 229.1 MB. Max. memory is 11.5 GB. * Witness Printer took 51.14 ms. Allocated memory is still 1.2 GB. Free memory was 905.2 MB in the beginning and 898.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 59]: 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 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 1 error locations. SAFE Result, 15.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 10.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 87 SDtfs, 12 SDslu, 252 SDs, 0 SdLazy, 182 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 17 PreInvPairs, 21 NumberOfFragments, 172 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 16 QuantifiedInterpolants, 25899 SizeOfPredicates, 11 NumberOfNonLiveVariables, 213 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...