./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/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 1ba8be438fdf209735f867af41e44939ec8afdc4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/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 1ba8be438fdf209735f867af41e44939ec8afdc4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:22:38,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:22:38,193 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:22:38,200 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:22:38,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:22:38,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:22:38,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:22:38,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:22:38,204 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:22:38,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:22:38,205 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:22:38,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:22:38,206 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:22:38,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:22:38,207 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:22:38,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:22:38,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:22:38,210 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:22:38,211 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:22:38,212 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:22:38,213 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:22:38,214 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:22:38,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:22:38,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:22:38,216 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:22:38,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:22:38,217 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:22:38,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:22:38,218 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:22:38,219 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:22:38,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:22:38,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:22:38,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:22:38,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:22:38,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:22:38,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:22:38,221 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:22:38,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:22:38,230 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:22:38,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:22:38,231 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:22:38,231 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:22:38,231 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:22:38,231 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:22:38,231 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:22:38,231 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:22:38,232 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:22:38,232 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:22:38,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:22:38,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:22:38,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:22:38,233 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:22:38,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:22:38,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:22:38,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:22:38,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:22:38,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:22:38,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:22:38,233 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:22:38,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:22:38,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:22:38,234 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:22:38,234 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:22:38,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:22:38,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:22:38,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:22:38,235 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:22:38,235 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:22:38,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:22:38,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:22:38,235 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:22:38,235 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_90c19d24-288f-456b-9178-07df9341e14b/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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-11-10 03:22:38,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:22:38,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:22:38,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:22:38,267 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:22:38,268 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:22:38,268 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-11-10 03:22:38,313 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data/d682306dc/f9c6bf3f94ac459995a783694b07aa96/FLAG2d64ac50c [2018-11-10 03:22:38,718 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:22:38,719 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-11-10 03:22:38,724 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data/d682306dc/f9c6bf3f94ac459995a783694b07aa96/FLAG2d64ac50c [2018-11-10 03:22:38,734 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data/d682306dc/f9c6bf3f94ac459995a783694b07aa96 [2018-11-10 03:22:38,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:22:38,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:22:38,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:22:38,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:22:38,740 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:22:38,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:38,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177ef697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38, skipping insertion in model container [2018-11-10 03:22:38,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:38,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:22:38,765 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:22:38,888 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:22:38,893 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:22:38,916 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:22:38,929 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:22:38,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38 WrapperNode [2018-11-10 03:22:38,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:22:38,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:22:38,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:22:38,930 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:22:38,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:38,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:39,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:22:39,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:22:39,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:22:39,010 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:22:39,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:39,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:39,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:39,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:39,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:39,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:39,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... [2018-11-10 03:22:39,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:22:39,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:22:39,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:22:39,043 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:22:39,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/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 [2018-11-10 03:22:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 03:22:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 03:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:22:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:22:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 03:22:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 03:22:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:22:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:22:39,456 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:22:39,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:39 BoogieIcfgContainer [2018-11-10 03:22:39,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:22:39,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:22:39,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:22:39,461 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:22:39,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:22:38" (1/3) ... [2018-11-10 03:22:39,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c29232a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:22:39, skipping insertion in model container [2018-11-10 03:22:39,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:38" (2/3) ... [2018-11-10 03:22:39,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c29232a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:22:39, skipping insertion in model container [2018-11-10 03:22:39,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:39" (3/3) ... [2018-11-10 03:22:39,464 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-11-10 03:22:39,472 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:22:39,479 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:22:39,493 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:22:39,520 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:22:39,520 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:22:39,520 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:22:39,520 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:22:39,520 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:22:39,520 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:22:39,520 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:22:39,520 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:22:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-11-10 03:22:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 03:22:39,541 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:22:39,542 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] [2018-11-10 03:22:39,544 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:22:39,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:22:39,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1423235121, now seen corresponding path program 1 times [2018-11-10 03:22:39,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:22:39,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:22:39,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:22:39,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:22:39,592 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:22:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:39,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:22:39,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:22:39,690 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:22:39,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:22:39,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:22:39,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:22:39,708 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2018-11-10 03:22:39,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:22:39,724 INFO L93 Difference]: Finished difference Result 98 states and 145 transitions. [2018-11-10 03:22:39,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:22:39,725 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-10 03:22:39,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:22:39,731 INFO L225 Difference]: With dead ends: 98 [2018-11-10 03:22:39,732 INFO L226 Difference]: Without dead ends: 49 [2018-11-10 03:22:39,734 INFO L605 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 [2018-11-10 03:22:39,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-10 03:22:39,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-10 03:22:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-10 03:22:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-11-10 03:22:39,757 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 23 [2018-11-10 03:22:39,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:22:39,758 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-11-10 03:22:39,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:22:39,758 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-11-10 03:22:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 03:22:39,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:22:39,759 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] [2018-11-10 03:22:39,759 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:22:39,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:22:39,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1420951393, now seen corresponding path program 1 times [2018-11-10 03:22:39,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:22:39,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:22:39,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:22:39,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:22:39,761 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:22:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:22:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:22:39,858 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:22:39,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,880 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,881 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,882 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:22:39,883 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 03:22:39,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:22:39 BoogieIcfgContainer [2018-11-10 03:22:39,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:22:39,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:22:39,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:22:39,907 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:22:39,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:39" (3/4) ... [2018-11-10 03:22:39,910 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:22:39,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:22:39,911 INFO L168 Benchmark]: Toolchain (without parser) took 1174.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 960.2 MB in the beginning and 1.0 GB in the end (delta: -64.3 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:39,912 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:22:39,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.78 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:39,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:39,913 INFO L168 Benchmark]: Boogie Preprocessor took 32.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:39,914 INFO L168 Benchmark]: RCFGBuilder took 414.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:39,914 INFO L168 Benchmark]: TraceAbstraction took 448.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:39,914 INFO L168 Benchmark]: Witness Printer took 3.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:22:39,917 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.78 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 414.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 448.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 50, overapproximation of bitwiseAnd at line 119. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=10737418270, \old(halF_exp)=10737418249, \old(huge_exp)=10737418259, \old(invln2_exp)=10737418243, \old(ln2HI_exp)=10737418241, \old(ln2HI_exp)=10737418266, \old(ln2LO_exp)=10737418251, \old(ln2LO_exp)=10737418269, \old(one_exp)=10737418257, \old(P1_exp)=10737418248, \old(P2_exp)=10737418250, \old(P3_exp)=10737418253, \old(P4_exp)=10737418256, \old(P5_exp)=10737418255, \old(twom100_exp)=10737418242, halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L130] float x = 1.0f / 0.0f; VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L131] CALL, EXPR __ieee754_expf(x) VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L42] CALL ieee_float_shape_type gf_u; [L42] RET ieee_float_shape_type gf_u; [L43] CALL gf_u.value = (x) [L43] RET gf_u.value = (x) [L44] CALL, EXPR gf_u.word [L44] RET, EXPR gf_u.word [L44] (sx) = gf_u.word [L44] RET (sx) = gf_u.word [L45] COND FALSE !(0) VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L131] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=10737418260, halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418261] [L131] float res = __ieee754_expf(x); [L134] CALL, EXPR isinf_float(res) VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L113] __int32_t ix; VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L115] CALL ieee_float_shape_type gf_u; [L115] RET ieee_float_shape_type gf_u; [L116] CALL gf_u.value = (x) [L116] RET gf_u.value = (x) [L117] CALL, EXPR gf_u.word [L117] RET, EXPR gf_u.word [L117] (ix) = gf_u.word [L117] RET (ix) = gf_u.word [L118] COND FALSE !(0) VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L119] ix &= 0x7fffffff [L120] RET return ((ix) == 0x7f800000L); VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L134] EXPR isinf_float(res) VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isinf_float(res)=0, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=10737418260, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418261] [L134] COND TRUE !isinf_float(res) [L135] __VERIFIER_error() VAL [halF_exp={10737418246:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={10737418265:0}, ln2LO_exp={10737418245:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=10737418260, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=10737418261] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.1.23-1dbac8b [2018-11-10 03:22:41,366 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:22:41,367 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:22:41,375 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:22:41,376 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:22:41,376 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:22:41,377 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:22:41,378 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:22:41,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:22:41,380 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:22:41,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:22:41,381 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:22:41,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:22:41,382 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:22:41,383 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:22:41,384 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:22:41,384 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:22:41,385 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:22:41,386 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:22:41,388 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:22:41,388 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:22:41,389 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:22:41,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:22:41,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:22:41,392 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:22:41,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:22:41,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:22:41,393 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:22:41,394 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:22:41,395 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:22:41,395 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:22:41,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:22:41,396 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:22:41,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:22:41,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:22:41,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:22:41,397 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 03:22:41,408 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:22:41,408 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:22:41,409 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:22:41,409 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:22:41,409 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:22:41,409 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:22:41,409 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:22:41,410 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:22:41,411 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:22:41,411 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:22:41,411 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:22:41,411 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:22:41,411 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:22:41,411 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:22:41,412 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:22:41,412 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:22:41,412 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:22:41,412 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:22:41,412 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:22:41,412 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:22:41,412 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:22:41,412 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:22:41,413 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:22:41,413 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:22:41,413 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:22:41,413 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:22:41,413 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:22:41,413 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:22:41,413 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 03:22:41,415 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:22:41,415 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:22:41,416 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:22:41,416 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_90c19d24-288f-456b-9178-07df9341e14b/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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-11-10 03:22:41,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:22:41,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:22:41,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:22:41,458 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:22:41,458 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:22:41,459 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-11-10 03:22:41,496 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data/800fb7015/8d874528f1134434b7f1296dd24affb4/FLAG96e58c028 [2018-11-10 03:22:41,821 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:22:41,822 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-11-10 03:22:41,826 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data/800fb7015/8d874528f1134434b7f1296dd24affb4/FLAG96e58c028 [2018-11-10 03:22:41,834 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/data/800fb7015/8d874528f1134434b7f1296dd24affb4 [2018-11-10 03:22:41,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:22:41,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:22:41,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:22:41,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:22:41,840 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:22:41,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:22:41" (1/1) ... [2018-11-10 03:22:41,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a0356a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:41, skipping insertion in model container [2018-11-10 03:22:41,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:22:41" (1/1) ... [2018-11-10 03:22:41,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:22:41,871 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:22:42,032 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:22:42,038 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:22:42,072 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:22:42,091 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:22:42,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42 WrapperNode [2018-11-10 03:22:42,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:22:42,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:22:42,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:22:42,092 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:22:42,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:22:42,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:22:42,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:22:42,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:22:42,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... [2018-11-10 03:22:42,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:22:42,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:22:42,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:22:42,215 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:22:42,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/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 [2018-11-10 03:22:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 03:22:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 03:22:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:22:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:22:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:22:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:22:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 03:22:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 03:22:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:22:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:22:42,380 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:22:50,027 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:22:50,063 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:22:50,214 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:22:50,229 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:22:50,250 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:22:50,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:50 BoogieIcfgContainer [2018-11-10 03:22:50,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:22:50,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:22:50,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:22:50,254 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:22:50,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:22:41" (1/3) ... [2018-11-10 03:22:50,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20287094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:22:50, skipping insertion in model container [2018-11-10 03:22:50,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:42" (2/3) ... [2018-11-10 03:22:50,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20287094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:22:50, skipping insertion in model container [2018-11-10 03:22:50,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:50" (3/3) ... [2018-11-10 03:22:50,257 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-11-10 03:22:50,265 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:22:50,271 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:22:50,284 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:22:50,306 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:22:50,306 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:22:50,307 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:22:50,307 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:22:50,307 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:22:50,307 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:22:50,307 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:22:50,307 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:22:50,307 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:22:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-11-10 03:22:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 03:22:50,322 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:22:50,323 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] [2018-11-10 03:22:50,324 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:22:50,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:22:50,328 INFO L82 PathProgramCache]: Analyzing trace with hash -851030201, now seen corresponding path program 1 times [2018-11-10 03:22:50,331 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:22:50,331 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/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 [2018-11-10 03:22:50,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:22:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:50,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:22:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:50,447 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:22:50,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:22:50,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:22:50,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:22:50,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:22:50,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:22:50,474 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-11-10 03:22:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:22:50,488 INFO L93 Difference]: Finished difference Result 96 states and 143 transitions. [2018-11-10 03:22:50,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:22:50,489 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-10 03:22:50,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:22:50,496 INFO L225 Difference]: With dead ends: 96 [2018-11-10 03:22:50,496 INFO L226 Difference]: Without dead ends: 48 [2018-11-10 03:22:50,498 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:22:50,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-10 03:22:50,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-10 03:22:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-10 03:22:50,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-11-10 03:22:50,525 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 22 [2018-11-10 03:22:50,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:22:50,526 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-11-10 03:22:50,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:22:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-11-10 03:22:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 03:22:50,527 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:22:50,527 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] [2018-11-10 03:22:50,527 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:22:50,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:22:50,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1863753171, now seen corresponding path program 1 times [2018-11-10 03:22:50,528 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:22:50,528 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/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 [2018-11-10 03:22:50,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:22:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:50,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:22:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:50,751 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:22:50,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:22:50,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:22:50,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:22:50,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:22:50,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:22:50,766 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 7 states. [2018-11-10 03:23:00,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:23:00,274 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2018-11-10 03:23:00,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:23:00,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-10 03:23:00,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:23:00,326 INFO L225 Difference]: With dead ends: 66 [2018-11-10 03:23:00,327 INFO L226 Difference]: Without dead ends: 53 [2018-11-10 03:23:00,327 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:23:00,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-10 03:23:00,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2018-11-10 03:23:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-10 03:23:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-11-10 03:23:00,332 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 24 [2018-11-10 03:23:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:23:00,332 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-11-10 03:23:00,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:23:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-10 03:23:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:23:00,333 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:23:00,333 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] [2018-11-10 03:23:00,333 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:23:00,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:23:00,333 INFO L82 PathProgramCache]: Analyzing trace with hash -959245321, now seen corresponding path program 1 times [2018-11-10 03:23:00,333 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:23:00,333 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/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 [2018-11-10 03:23:00,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:23:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:23:00,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:23:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:23:00,568 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:23:00,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:23:00,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:23:00,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:23:00,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:23:00,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:23:00,578 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 7 states. [2018-11-10 03:23:09,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:23:09,318 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-11-10 03:23:09,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:23:09,375 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-10 03:23:09,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:23:09,376 INFO L225 Difference]: With dead ends: 66 [2018-11-10 03:23:09,376 INFO L226 Difference]: Without dead ends: 53 [2018-11-10 03:23:09,376 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:23:09,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-10 03:23:09,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2018-11-10 03:23:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-10 03:23:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-11-10 03:23:09,381 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 26 [2018-11-10 03:23:09,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:23:09,382 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-11-10 03:23:09,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:23:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-11-10 03:23:09,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 03:23:09,382 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:23:09,382 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] [2018-11-10 03:23:09,382 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:23:09,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:23:09,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1674639759, now seen corresponding path program 1 times [2018-11-10 03:23:09,383 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:23:09,383 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 03:23:09,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:23:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:23:09,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:23:11,476 WARN L179 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-10 03:23:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:23:14,417 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:23:14,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:23:14,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-10 03:23:14,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 03:23:14,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 03:23:14,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-10 03:23:14,426 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 12 states. [2018-11-10 03:23:15,910 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-10 03:23:18,247 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 03:23:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:23:33,731 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-11-10 03:23:33,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 03:23:33,731 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-11-10 03:23:33,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:23:33,732 INFO L225 Difference]: With dead ends: 60 [2018-11-10 03:23:33,732 INFO L226 Difference]: Without dead ends: 52 [2018-11-10 03:23:33,733 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-11-10 03:23:33,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-10 03:23:33,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2018-11-10 03:23:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-10 03:23:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2018-11-10 03:23:33,738 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 27 [2018-11-10 03:23:33,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:23:33,738 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2018-11-10 03:23:33,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 03:23:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2018-11-10 03:23:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 03:23:33,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:23:33,739 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] [2018-11-10 03:23:33,739 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:23:33,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:23:33,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1609210287, now seen corresponding path program 1 times [2018-11-10 03:23:33,740 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:23:33,740 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 03:23:33,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:23:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:23:33,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:23:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:23:33,914 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:23:33,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:23:33,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:23:33,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:23:33,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:23:33,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:23:33,928 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 7 states. [2018-11-10 03:23:42,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:23:42,965 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-11-10 03:23:43,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:23:43,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-11-10 03:23:43,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:23:43,021 INFO L225 Difference]: With dead ends: 64 [2018-11-10 03:23:43,021 INFO L226 Difference]: Without dead ends: 49 [2018-11-10 03:23:43,021 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:23:43,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-10 03:23:43,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2018-11-10 03:23:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-10 03:23:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-11-10 03:23:43,025 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 27 [2018-11-10 03:23:43,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:23:43,025 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-11-10 03:23:43,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:23:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-11-10 03:23:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 03:23:43,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:23:43,026 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] [2018-11-10 03:23:43,027 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:23:43,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:23:43,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1106269573, now seen corresponding path program 1 times [2018-11-10 03:23:43,027 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:23:43,027 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-10 03:23:43,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:23:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:23:43,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:23:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:23:43,844 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:23:43,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:23:43,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:23:43,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:23:43,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:23:43,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:23:43,859 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 7 states. [2018-11-10 03:23:52,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:23:52,914 INFO L93 Difference]: Finished difference Result 74 states and 79 transitions. [2018-11-10 03:23:52,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 03:23:52,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-10 03:23:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:23:52,970 INFO L225 Difference]: With dead ends: 74 [2018-11-10 03:23:52,970 INFO L226 Difference]: Without dead ends: 44 [2018-11-10 03:23:52,971 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:23:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-10 03:23:52,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-10 03:23:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-10 03:23:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2018-11-10 03:23:52,973 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 31 [2018-11-10 03:23:52,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:23:52,974 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2018-11-10 03:23:52,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:23:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-11-10 03:23:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 03:23:52,974 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:23:52,975 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, 1] [2018-11-10 03:23:52,975 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:23:52,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:23:52,975 INFO L82 PathProgramCache]: Analyzing trace with hash 2119083200, now seen corresponding path program 1 times [2018-11-10 03:23:52,975 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:23:52,975 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-10 03:23:52,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:23:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:23:53,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:23:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:23:54,042 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:23:54,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:23:54,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:23:54,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:23:54,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:23:54,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:23:54,061 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 7 states. [2018-11-10 03:24:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:24:02,306 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-11-10 03:24:02,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:24:02,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-11-10 03:24:02,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:24:02,365 INFO L225 Difference]: With dead ends: 44 [2018-11-10 03:24:02,365 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:24:02,366 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:24:02,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:24:02,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:24:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:24:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:24:02,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-11-10 03:24:02,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:24:02,366 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:24:02,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:24:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:24:02,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:24:02,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:24:02,429 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 03:24:02,429 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-10 03:24:02,429 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-10 03:24:02,430 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-11-10 03:24:02,430 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-11-10 03:24:02,431 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-11-10 03:24:02,432 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-10 03:24:02,432 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-11-10 03:24:02,432 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-11-10 03:24:02,432 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-10 03:24:02,432 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) [2018-11-10 03:24:02,432 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:24:02,432 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:24:02,432 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:24:02,432 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 114 118) no Hoare annotation was computed. [2018-11-10 03:24:02,432 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 112 121) the Hoare annotation is: true [2018-11-10 03:24:02,432 INFO L421 ceAbstractionStarter]: At program point L114-3(lines 114 118) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point L114-4(lines 114 118) no Hoare annotation was computed. [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 112 121) no Hoare annotation was computed. [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 112 121) no Hoare annotation was computed. [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:24:02,433 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 03:24:02,433 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2018-11-10 03:24:02,433 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 123 140) the Hoare annotation is: true [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 123 140) no Hoare annotation was computed. [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 123 140) no Hoare annotation was computed. [2018-11-10 03:24:02,433 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-10 03:24:02,438 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE .cse0)) main_~res~0) (= .cse0 main_~x~0))) [2018-11-10 03:24:02,438 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 137) no Hoare annotation was computed. [2018-11-10 03:24:02,438 INFO L421 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-11-10 03:24:02,438 INFO L425 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-11-10 03:24:02,443 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,444 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,450 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,450 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,450 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,450 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,451 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,452 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,452 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,452 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,452 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,452 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,453 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,453 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:24:02 BoogieIcfgContainer [2018-11-10 03:24:02,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:24:02,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:24:02,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:24:02,455 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:24:02,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:50" (3/4) ... [2018-11-10 03:24:02,458 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:24:02,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-10 03:24:02,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:24:02,463 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-10 03:24:02,464 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:24:02,470 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 126 nodes and edges [2018-11-10 03:24:02,471 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2018-11-10 03:24:02,471 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 03:24:02,471 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 03:24:02,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 03:24:02,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 03:24:02,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-11-10 03:24:02,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-11-10 03:24:02,529 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_90c19d24-288f-456b-9178-07df9341e14b/bin-2019/utaipan/witness.graphml [2018-11-10 03:24:02,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:24:02,530 INFO L168 Benchmark]: Toolchain (without parser) took 80693.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:24:02,531 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. [2018-11-10 03:24:02,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.06 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:24:02,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.20 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:24:02,531 INFO L168 Benchmark]: Boogie Preprocessor took 80.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:24:02,531 INFO L168 Benchmark]: RCFGBuilder took 8035.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:24:02,532 INFO L168 Benchmark]: TraceAbstraction took 72203.04 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:24:02,532 INFO L168 Benchmark]: Witness Printer took 74.98 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:24:02,533 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 254.06 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.20 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8035.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72203.04 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 74.98 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: 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: 97]: Loop Invariant [2018-11-10 03:24:02,537 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,538 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,539 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,539 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-11-10 03:24:02,539 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,539 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,539 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,540 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,540 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,540 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,540 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:24:02,540 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. SAFE Result, 72.1s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 64.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 284 SDtfs, 301 SDslu, 1138 SDs, 0 SdLazy, 336 SolverSat, 5 SolverUnsat, 20 SolverUnknown, 0 SolverNotchecked, 57.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 7 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 24 PreInvPairs, 29 NumberOfFragments, 79 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 37 QuantifiedInterpolants, 29614 SizeOfPredicates, 52 NumberOfNonLiveVariables, 1189 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...