./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_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_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ................................................................................................................................................................................................................................................................................................................................. 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_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11ee320e5dd60225454ae4b669c3bcedd1b28d2a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:52:03,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:52:03,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:52:03,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:52:03,185 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:52:03,186 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:52:03,186 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:52:03,187 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:52:03,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:52:03,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:52:03,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:52:03,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:52:03,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:52:03,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:52:03,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:52:03,192 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:52:03,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:52:03,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:52:03,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:52:03,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:52:03,197 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:52:03,198 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:52:03,200 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:52:03,200 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:52:03,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:52:03,201 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:52:03,201 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:52:03,202 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:52:03,203 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:52:03,203 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:52:03,203 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:52:03,204 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:52:03,204 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:52:03,204 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:52:03,205 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:52:03,205 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:52:03,205 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 03:52:03,215 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:52:03,216 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:52:03,216 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:52:03,216 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:52:03,217 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:52:03,217 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:52:03,217 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:52:03,217 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:52:03,217 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:52:03,217 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:52:03,217 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:52:03,218 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:52:03,218 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:52:03,218 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:52:03,218 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:52:03,218 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:52:03,218 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:52:03,218 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:52:03,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:52:03,219 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:52:03,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:52:03,219 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:52:03,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:52:03,219 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:52:03,219 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:52:03,219 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:52:03,219 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:52:03,219 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:52:03,220 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:52:03,220 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_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2018-11-10 03:52:03,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:52:03,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:52:03,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:52:03,253 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:52:03,253 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:52:03,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-11-10 03:52:03,289 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data/3cedb8111/ef7a77c8afb944c9a7cb2559c5e4ee75/FLAGc89c498a4 [2018-11-10 03:52:03,694 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:52:03,695 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-11-10 03:52:03,700 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data/3cedb8111/ef7a77c8afb944c9a7cb2559c5e4ee75/FLAGc89c498a4 [2018-11-10 03:52:03,710 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data/3cedb8111/ef7a77c8afb944c9a7cb2559c5e4ee75 [2018-11-10 03:52:03,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:52:03,713 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:52:03,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:52:03,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:52:03,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:52:03,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b12072f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03, skipping insertion in model container [2018-11-10 03:52:03,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:52:03,741 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:52:03,870 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:52:03,875 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:52:03,899 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:52:03,912 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:52:03,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03 WrapperNode [2018-11-10 03:52:03,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:52:03,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:52:03,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:52:03,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:52:03,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (1/1) ... [2018-11-10 03:52:03,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:52:03,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:52:03,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:52:03,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:52:03,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:52:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:52:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:52:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 03:52:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 03:52:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:52:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:52:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 03:52:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 03:52:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 03:52:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 03:52:04,320 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:52:04,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:52:04 BoogieIcfgContainer [2018-11-10 03:52:04,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:52:04,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:52:04,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:52:04,324 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:52:04,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:52:03" (1/3) ... [2018-11-10 03:52:04,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c805a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:52:04, skipping insertion in model container [2018-11-10 03:52:04,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:03" (2/3) ... [2018-11-10 03:52:04,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c805a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:52:04, skipping insertion in model container [2018-11-10 03:52:04,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:52:04" (3/3) ... [2018-11-10 03:52:04,326 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2018-11-10 03:52:04,334 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:52:04,341 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:52:04,353 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:52:04,378 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:52:04,379 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:52:04,379 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:52:04,379 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:52:04,379 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:52:04,379 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:52:04,379 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:52:04,379 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:52:04,379 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:52:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2018-11-10 03:52:04,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 03:52:04,400 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:52:04,401 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 03:52:04,402 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:52:04,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:04,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1457717352, now seen corresponding path program 1 times [2018-11-10 03:52:04,409 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:52:04,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:52:04,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:52:04,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:52:04,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:52:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:52:04,531 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 03:52:04,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:52:04,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:52:04,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:52:04,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:52:04,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:52:04,545 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 2 states. [2018-11-10 03:52:04,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:52:04,564 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2018-11-10 03:52:04,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:52:04,565 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-10 03:52:04,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:52:04,573 INFO L225 Difference]: With dead ends: 193 [2018-11-10 03:52:04,573 INFO L226 Difference]: Without dead ends: 102 [2018-11-10 03:52:04,575 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 03:52:04,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-10 03:52:04,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-10 03:52:04,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-10 03:52:04,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2018-11-10 03:52:04,601 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 27 [2018-11-10 03:52:04,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:52:04,601 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2018-11-10 03:52:04,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:52:04,601 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2018-11-10 03:52:04,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 03:52:04,602 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:52:04,602 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, 1, 1, 1, 1] [2018-11-10 03:52:04,602 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:52:04,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:04,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2117575272, now seen corresponding path program 1 times [2018-11-10 03:52:04,603 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:52:04,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:52:04,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:52:04,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:52:04,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:52:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:52:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:52:04,687 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:52:04,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:52:04 BoogieIcfgContainer [2018-11-10 03:52:04,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:52:04,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:52:04,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:52:04,722 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:52:04,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:52:04" (3/4) ... [2018-11-10 03:52:04,725 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:52:04,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:52:04,725 INFO L168 Benchmark]: Toolchain (without parser) took 1012.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -106.0 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:52:04,726 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:52:04,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.60 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 945.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:52:04,727 INFO L168 Benchmark]: Boogie Preprocessor took 68.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:52:04,727 INFO L168 Benchmark]: RCFGBuilder took 338.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:52:04,728 INFO L168 Benchmark]: TraceAbstraction took 400.52 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:52:04,728 INFO L168 Benchmark]: Witness Printer took 2.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:52:04,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 198.60 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 945.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 338.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 400.52 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. 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; VAL [\old(halF_exp)=6442450951, \old(halF_exp)=6442450969, \old(huge_exp)=6442450963, \old(invln2_exp)=6442450947, \old(ln2HI_exp)=6442450965, \old(ln2HI_exp)=6442450945, \old(ln2LO_exp)=6442450967, \old(ln2LO_exp)=6442450954, \old(one_exp)=6442450961, \old(P1_exp)=6442450950, \old(P2_exp)=6442450952, \old(P3_exp)=6442450955, \old(P4_exp)=6442450958, \old(P5_exp)=6442450956, \old(twom100_exp)=6442450946, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = 0.0f; VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, 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 [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L42] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=0, gf_u={6442450968:0}, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L43] FCALL gf_u.value = (x) VAL [\old(x)=0, gf_u={6442450968:0}, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L44] EXPR, FCALL gf_u.word VAL [\old(x)=0, gf_u={6442450968:0}, gf_u.word=6442450944, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L44] (sx) = gf_u.word VAL [(sx) = gf_u.word=6442450957, \old(x)=0, gf_u={6442450968:0}, gf_u.word=6442450944, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L45] COND FALSE !(0) VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [\old(x)=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450959, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450959, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L122] __VERIFIER_error() VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450970:0}, ln2LO_exp={6442450960:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450959, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 116 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=106occurred 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, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 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 03:52:06,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:52:06,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:52:06,183 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:52:06,183 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:52:06,184 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:52:06,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:52:06,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:52:06,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:52:06,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:52:06,188 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:52:06,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:52:06,189 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:52:06,190 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:52:06,190 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:52:06,191 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:52:06,191 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:52:06,192 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:52:06,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:52:06,195 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:52:06,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:52:06,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:52:06,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:52:06,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:52:06,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:52:06,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:52:06,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:52:06,200 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:52:06,200 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:52:06,201 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:52:06,201 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:52:06,202 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:52:06,202 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:52:06,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:52:06,203 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:52:06,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:52:06,203 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 03:52:06,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:52:06,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:52:06,214 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:52:06,214 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:52:06,214 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:52:06,215 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:52:06,215 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:52:06,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:52:06,215 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:52:06,215 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:52:06,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:52:06,215 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:52:06,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:52:06,216 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:52:06,216 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:52:06,216 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:52:06,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:52:06,216 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:52:06,216 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:52:06,216 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:52:06,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:52:06,217 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:52:06,217 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:52:06,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:52:06,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:52:06,217 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:52:06,217 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:52:06,218 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 03:52:06,218 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:52:06,218 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:52:06,218 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:52:06,218 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_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2018-11-10 03:52:06,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:52:06,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:52:06,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:52:06,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:52:06,261 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:52:06,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-11-10 03:52:06,296 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data/dc27b381e/1e2bcfd48af243eb94a236d00a961f4f/FLAG173cf30e5 [2018-11-10 03:52:06,695 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:52:06,695 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-11-10 03:52:06,699 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data/dc27b381e/1e2bcfd48af243eb94a236d00a961f4f/FLAG173cf30e5 [2018-11-10 03:52:06,707 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/data/dc27b381e/1e2bcfd48af243eb94a236d00a961f4f [2018-11-10 03:52:06,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:52:06,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:52:06,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:52:06,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:52:06,714 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:52:06,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1908364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06, skipping insertion in model container [2018-11-10 03:52:06,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:52:06,745 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:52:06,886 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:52:06,892 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:52:06,923 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:52:06,939 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:52:06,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06 WrapperNode [2018-11-10 03:52:06,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:52:06,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:52:06,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:52:06,940 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:52:06,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (1/1) ... [2018-11-10 03:52:06,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:52:06,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:52:06,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:52:06,976 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:52:06,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:52:07,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:52:07,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:52:07,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 03:52:07,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 03:52:07,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:52:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:52:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 03:52:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:52:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:52:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 03:52:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:52:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 03:52:07,178 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:07,184 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,739 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,744 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,775 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,780 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,902 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,905 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,919 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,923 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,942 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,947 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:52:12,952 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:52:12,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:52:12 BoogieIcfgContainer [2018-11-10 03:52:12,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:52:12,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:52:12,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:52:12,956 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:52:12,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:52:06" (1/3) ... [2018-11-10 03:52:12,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e13b294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:52:12, skipping insertion in model container [2018-11-10 03:52:12,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:52:06" (2/3) ... [2018-11-10 03:52:12,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e13b294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:52:12, skipping insertion in model container [2018-11-10 03:52:12,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:52:12" (3/3) ... [2018-11-10 03:52:12,960 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2018-11-10 03:52:12,966 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:52:12,971 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:52:12,983 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:52:13,009 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:52:13,010 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:52:13,010 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:52:13,010 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:52:13,010 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:52:13,010 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:52:13,010 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:52:13,010 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:52:13,010 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:52:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2018-11-10 03:52:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 03:52:13,028 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:52:13,028 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 03:52:13,030 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:52:13,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:13,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1457717352, now seen corresponding path program 1 times [2018-11-10 03:52:13,036 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:52:13,037 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 03:52:13,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:52:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:52:13,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:52:13,152 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 03:52:13,152 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:52:13,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:52:13,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:52:13,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:52:13,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:52:13,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:52:13,176 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 2 states. [2018-11-10 03:52:13,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:52:13,196 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2018-11-10 03:52:13,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:52:13,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-10 03:52:13,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:52:13,207 INFO L225 Difference]: With dead ends: 193 [2018-11-10 03:52:13,208 INFO L226 Difference]: Without dead ends: 102 [2018-11-10 03:52:13,211 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 03:52:13,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-10 03:52:13,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-10 03:52:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-10 03:52:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2018-11-10 03:52:13,241 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 27 [2018-11-10 03:52:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:52:13,241 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2018-11-10 03:52:13,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:52:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2018-11-10 03:52:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 03:52:13,242 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:52:13,242 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, 1, 1, 1, 1] [2018-11-10 03:52:13,242 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:52:13,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:13,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2117575272, now seen corresponding path program 1 times [2018-11-10 03:52:13,243 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:52:13,243 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 03:52:13,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:52:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:52:13,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:52:13,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 03:52:13,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 03:52:13,390 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:52:13,401 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:13,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:13,413 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:52:13,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 03:52:13,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 03:52:13,434 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:52:13,437 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:13,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:13,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:52:13,538 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 03:52:13,538 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:52:13,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:52:13,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 03:52:13,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 03:52:13,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 03:52:13,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:52:13,549 INFO L87 Difference]: Start difference. First operand 102 states and 112 transitions. Second operand 9 states. [2018-11-10 03:52:26,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:52:26,132 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-11-10 03:52:26,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 03:52:26,133 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-11-10 03:52:26,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:52:26,135 INFO L225 Difference]: With dead ends: 111 [2018-11-10 03:52:26,135 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 03:52:26,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-10 03:52:26,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 03:52:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2018-11-10 03:52:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-10 03:52:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 111 transitions. [2018-11-10 03:52:26,142 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 111 transitions. Word has length 36 [2018-11-10 03:52:26,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:52:26,142 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 111 transitions. [2018-11-10 03:52:26,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 03:52:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2018-11-10 03:52:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 03:52:26,143 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:52:26,143 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, 1, 1, 1, 1, 1, 1] [2018-11-10 03:52:26,143 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:52:26,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:26,144 INFO L82 PathProgramCache]: Analyzing trace with hash -710283788, now seen corresponding path program 1 times [2018-11-10 03:52:26,144 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:52:26,144 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/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 03:52:26,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:52:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:52:26,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:52:26,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 03:52:26,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 03:52:26,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:52:26,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:26,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:26,286 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:52:26,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 03:52:26,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 03:52:26,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:52:26,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:26,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:26,319 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:52:26,372 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 03:52:26,372 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:52:26,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:52:26,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 03:52:26,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 03:52:26,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 03:52:26,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 03:52:26,386 INFO L87 Difference]: Start difference. First operand 102 states and 111 transitions. Second operand 8 states. [2018-11-10 03:52:44,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:52:44,341 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2018-11-10 03:52:44,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 03:52:44,343 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2018-11-10 03:52:44,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:52:44,344 INFO L225 Difference]: With dead ends: 114 [2018-11-10 03:52:44,344 INFO L226 Difference]: Without dead ends: 108 [2018-11-10 03:52:44,344 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 03:52:44,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-10 03:52:44,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 102. [2018-11-10 03:52:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-10 03:52:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 110 transitions. [2018-11-10 03:52:44,353 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 110 transitions. Word has length 38 [2018-11-10 03:52:44,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:52:44,353 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 110 transitions. [2018-11-10 03:52:44,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 03:52:44,353 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 110 transitions. [2018-11-10 03:52:44,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 03:52:44,354 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:52:44,354 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:52:44,355 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:52:44,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:44,355 INFO L82 PathProgramCache]: Analyzing trace with hash 975703843, now seen corresponding path program 1 times [2018-11-10 03:52:44,355 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:52:44,355 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/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 03:52:44,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:52:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:52:44,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:52:44,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 03:52:44,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 03:52:44,500 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:52:44,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:44,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:44,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:52:44,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 03:52:44,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 03:52:44,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:52:44,526 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:44,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:44,528 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:52:44,570 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 03:52:44,571 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:52:44,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:52:44,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 03:52:44,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 03:52:44,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 03:52:44,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 03:52:44,579 INFO L87 Difference]: Start difference. First operand 102 states and 110 transitions. Second operand 8 states. [2018-11-10 03:52:54,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:52:54,022 INFO L93 Difference]: Finished difference Result 111 states and 118 transitions. [2018-11-10 03:52:54,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 03:52:54,023 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-11-10 03:52:54,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:52:54,024 INFO L225 Difference]: With dead ends: 111 [2018-11-10 03:52:54,024 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 03:52:54,024 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 03:52:54,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 03:52:54,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2018-11-10 03:52:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-10 03:52:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 109 transitions. [2018-11-10 03:52:54,027 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 109 transitions. Word has length 39 [2018-11-10 03:52:54,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:52:54,028 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 109 transitions. [2018-11-10 03:52:54,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 03:52:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2018-11-10 03:52:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 03:52:54,029 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:52:54,029 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:52:54,029 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:52:54,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:52:54,029 INFO L82 PathProgramCache]: Analyzing trace with hash 291491306, now seen corresponding path program 1 times [2018-11-10 03:52:54,029 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:52:54,029 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/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 03:52:54,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:52:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:52:54,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:52:54,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 03:52:54,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 03:52:54,158 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:52:54,161 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:54,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:54,169 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:52:54,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 03:52:54,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 03:52:54,188 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:52:54,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:54,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:52:54,193 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:52:54,280 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 03:52:54,280 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:52:54,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:52:54,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 03:52:54,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 03:52:54,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 03:52:54,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:52:54,289 INFO L87 Difference]: Start difference. First operand 102 states and 109 transitions. Second operand 9 states. [2018-11-10 03:53:05,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:53:05,169 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2018-11-10 03:53:05,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 03:53:05,169 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2018-11-10 03:53:05,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:53:05,170 INFO L225 Difference]: With dead ends: 111 [2018-11-10 03:53:05,170 INFO L226 Difference]: Without dead ends: 103 [2018-11-10 03:53:05,171 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-10 03:53:05,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-10 03:53:05,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 100. [2018-11-10 03:53:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-10 03:53:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2018-11-10 03:53:05,176 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 39 [2018-11-10 03:53:05,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:53:05,176 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2018-11-10 03:53:05,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 03:53:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2018-11-10 03:53:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 03:53:05,177 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:53:05,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:53:05,177 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:53:05,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:53:05,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1578266682, now seen corresponding path program 1 times [2018-11-10 03:53:05,177 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:53:05,177 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/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 03:53:05,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:53:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:53:05,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:53:05,797 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 03:53:05,926 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 03:53:05,926 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:53:05,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:53:05,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 03:53:05,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 03:53:05,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 03:53:05,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-10 03:53:05,935 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 8 states. [2018-11-10 03:53:07,166 WARN L179 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-10 03:53:19,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:53:19,195 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2018-11-10 03:53:19,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:53:19,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-11-10 03:53:19,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:53:19,196 INFO L225 Difference]: With dead ends: 107 [2018-11-10 03:53:19,196 INFO L226 Difference]: Without dead ends: 101 [2018-11-10 03:53:19,196 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:53:19,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-10 03:53:19,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2018-11-10 03:53:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-10 03:53:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2018-11-10 03:53:19,200 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 42 [2018-11-10 03:53:19,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:53:19,200 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2018-11-10 03:53:19,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 03:53:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2018-11-10 03:53:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 03:53:19,201 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:53:19,201 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:53:19,201 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:53:19,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:53:19,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1087577814, now seen corresponding path program 1 times [2018-11-10 03:53:19,202 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:53:19,202 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/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 03:53:19,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:53:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:53:19,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:53:19,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 03:53:19,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 03:53:19,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:53:19,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:53:19,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:53:19,962 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:53:19,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 03:53:19,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 03:53:19,976 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:53:19,978 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:53:19,980 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:53:19,980 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:53:20,064 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 03:53:20,065 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:53:20,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:53:20,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 03:53:20,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 03:53:20,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 03:53:20,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:53:20,079 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand 9 states. [2018-11-10 03:53:28,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:53:28,437 INFO L93 Difference]: Finished difference Result 152 states and 157 transitions. [2018-11-10 03:53:28,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 03:53:28,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-11-10 03:53:28,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:53:28,438 INFO L225 Difference]: With dead ends: 152 [2018-11-10 03:53:28,438 INFO L226 Difference]: Without dead ends: 88 [2018-11-10 03:53:28,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-10 03:53:28,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-10 03:53:28,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-11-10 03:53:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-10 03:53:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2018-11-10 03:53:28,447 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 43 [2018-11-10 03:53:28,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:53:28,448 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2018-11-10 03:53:28,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 03:53:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2018-11-10 03:53:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 03:53:28,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:53:28,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:53:28,449 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:53:28,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:53:28,449 INFO L82 PathProgramCache]: Analyzing trace with hash -2037379338, now seen corresponding path program 1 times [2018-11-10 03:53:28,449 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:53:28,449 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-10 03:53:28,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:53:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:53:29,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:53:30,238 WARN L179 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-10 03:53:30,242 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 03:53:30,243 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:53:30,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:53:30,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:53:30,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:53:30,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:53:30,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:53:30,264 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 7 states. [2018-11-10 03:53:31,381 WARN L179 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 03:53:37,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:53:37,958 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-11-10 03:53:37,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:53:37,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-11-10 03:53:37,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:53:37,960 INFO L225 Difference]: With dead ends: 94 [2018-11-10 03:53:37,960 INFO L226 Difference]: Without dead ends: 88 [2018-11-10 03:53:37,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-11-10 03:53:37,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-10 03:53:37,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-11-10 03:53:37,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-10 03:53:37,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-11-10 03:53:37,965 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 44 [2018-11-10 03:53:37,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:53:37,965 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-11-10 03:53:37,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:53:37,965 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-11-10 03:53:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 03:53:37,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:53:37,966 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, 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, 1, 1] [2018-11-10 03:53:37,966 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:53:37,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:53:37,967 INFO L82 PathProgramCache]: Analyzing trace with hash 2010214971, now seen corresponding path program 1 times [2018-11-10 03:53:37,967 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:53:37,967 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-10 03:53:37,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:53:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:53:38,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:53:39,612 WARN L179 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-10 03:53:39,629 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 03:53:39,629 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:53:39,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:53:39,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:53:39,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:53:39,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:53:39,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:53:39,644 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 7 states. [2018-11-10 03:53:40,895 WARN L179 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 03:53:45,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:53:45,188 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-11-10 03:53:45,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:53:45,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-10 03:53:45,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:53:45,264 INFO L225 Difference]: With dead ends: 88 [2018-11-10 03:53:45,264 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:53:45,264 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-11-10 03:53:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:53:45,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:53:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:53:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:53:45,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-10 03:53:45,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:53:45,265 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:53:45,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:53:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:53:45,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:53:45,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:53:45,792 WARN L179 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-10 03:53:46,063 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-10 03:53:46,065 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-10 03:53:46,065 INFO L425 ceAbstractionStarter]: For program point isnan_floatENTRY(line 13) no Hoare annotation was computed. [2018-11-10 03:53:46,065 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-10 03:53:46,065 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-10 03:53:46,065 INFO L425 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-11-10 03:53:46,065 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L85-1(line 85) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L85-3(line 85) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-11-10 03:53:46,066 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L103-2(line 103) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-11-10 03:53:46,067 INFO L425 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point L87-2(line 87) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-11-10 03:53:46,068 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-10 03:53:46,069 INFO L425 ceAbstractionStarter]: For program point L105-1(line 105) no Hoare annotation was computed. [2018-11-10 03:53:46,069 INFO L425 ceAbstractionStarter]: For program point L105-2(line 105) no Hoare annotation was computed. [2018-11-10 03:53:46,069 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-10 03:53:46,069 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-10 03:53:46,069 INFO L425 ceAbstractionStarter]: For program point L64-1(line 64) no Hoare annotation was computed. [2018-11-10 03:53:46,069 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (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|) (not (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv830472192 32)))))) [2018-11-10 03:53:46,069 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-11-10 03:53:46,069 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-11-10 03:53:46,069 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L98-2(line 98) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L98-3(line 98) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L90-2(line 90) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L90-3(line 90) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-10 03:53:46,070 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= |__ieee754_expf_#in~x| __ieee754_expf_~x) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0))) [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-11-10 03:53:46,071 INFO L425 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L42-3(line 42) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L100-2(line 100) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L92-2(line 92) no Hoare annotation was computed. [2018-11-10 03:53:46,072 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-11-10 03:53:46,073 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-11-10 03:53:46,073 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-10 03:53:46,073 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (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|) (not (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv830472192 32)))))) [2018-11-10 03:53:46,073 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-10 03:53:46,073 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:53:46,073 INFO L425 ceAbstractionStarter]: For program point L15(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,073 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,073 INFO L425 ceAbstractionStarter]: For program point L15-2(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,073 INFO L425 ceAbstractionStarter]: For program point L15-3(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point L15-5(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point L15-6(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point L15-7(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point L15-8(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point L15-9(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point L15-10(lines 15 34) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:53:46,074 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:53:46,075 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_exp~0)) [2018-11-10 03:53:46,075 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:53:46,075 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:53:46,075 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 127) the Hoare annotation is: true [2018-11-10 03:53:46,075 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 127) no Hoare annotation was computed. [2018-11-10 03:53:46,075 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-11-10 03:53:46,075 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2018-11-10 03:53:46,075 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 127) no Hoare annotation was computed. [2018-11-10 03:53:46,075 INFO L421 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= (_ +zero 8 24) main_~x~0) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0))) [2018-11-10 03:53:46,075 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2018-11-10 03:53:46,076 INFO L425 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-11-10 03:53:46,082 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,083 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,083 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,084 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,084 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,084 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,084 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,084 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,087 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,087 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,088 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,088 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,089 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,089 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,090 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,090 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,090 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,090 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,090 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,090 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,091 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,091 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,091 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,091 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,092 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,092 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,092 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,092 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:53:46 BoogieIcfgContainer [2018-11-10 03:53:46,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:53:46,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:53:46,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:53:46,095 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:53:46,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:52:12" (3/4) ... [2018-11-10 03:53:46,098 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:53:46,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 03:53:46,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-10 03:53:46,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:53:46,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:53:46,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-10 03:53:46,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 03:53:46,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 03:53:46,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 03:53:46,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 03:53:46,124 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp) [2018-11-10 03:53:46,125 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) [2018-11-10 03:53:46,125 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) [2018-11-10 03:53:46,146 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5244d13b-12b1-4192-98be-9278440193cf/bin-2019/uautomizer/witness.graphml [2018-11-10 03:53:46,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:53:46,147 INFO L168 Benchmark]: Toolchain (without parser) took 99436.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 953.2 MB in the beginning and 937.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:53:46,147 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 03:53:46,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:53:46,148 INFO L168 Benchmark]: Boogie Preprocessor took 35.10 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:53:46,148 INFO L168 Benchmark]: RCFGBuilder took 5977.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:53:46,148 INFO L168 Benchmark]: TraceAbstraction took 93140.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 945.0 MB in the end (delta: 126.5 MB). Peak memory consumption was 191.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:53:46,148 INFO L168 Benchmark]: Witness Printer took 51.28 ms. Allocated memory is still 1.2 GB. Free memory was 945.0 MB in the beginning and 937.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:53:46,150 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 228.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.10 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5977.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 93140.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 945.0 MB in the end (delta: 126.5 MB). Peak memory consumption was 191.0 MB. Max. memory is 11.5 GB. * Witness Printer took 51.28 ms. Allocated memory is still 1.2 GB. Free memory was 945.0 MB in the beginning and 937.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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: 122]: 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 03:53:46,154 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,154 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,155 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,155 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,155 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,155 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,155 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,155 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,156 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,156 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,156 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,156 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,156 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,156 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,156 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,156 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) - InvariantResult [Line: 41]: Loop Invariant [2018-11-10 03:53:46,157 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,157 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,157 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,157 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,158 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,158 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,158 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,160 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp) - InvariantResult [Line: 84]: Loop Invariant [2018-11-10 03:53:46,161 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,161 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,161 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,161 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,161 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,161 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,162 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,162 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,162 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,162 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,162 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,162 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 03:53:46,162 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,163 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,163 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 03:53:46,163 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 1 error locations. SAFE Result, 93.0s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 85.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 816 SDtfs, 684 SDslu, 3201 SDs, 0 SdLazy, 779 SolverSat, 19 SolverUnsat, 26 SolverUnknown, 0 SolverNotchecked, 80.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 406 GetRequests, 313 SyntacticMatches, 3 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred 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, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 127 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 136 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 365 ConstructedInterpolants, 23 QuantifiedInterpolants, 155710 SizeOfPredicates, 50 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...