./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_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_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 8c9432e09ab34163f77fe447dc3730a7acfb00e3 ............................................................................................................................................................................................................................................................................................................... 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_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 8c9432e09ab34163f77fe447dc3730a7acfb00e3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:12:27,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:12:27,168 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:12:27,175 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:12:27,176 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:12:27,176 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:12:27,177 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:12:27,178 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:12:27,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:12:27,180 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:12:27,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:12:27,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:12:27,181 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:12:27,182 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:12:27,182 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:12:27,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:12:27,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:12:27,185 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:12:27,186 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:12:27,187 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:12:27,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:12:27,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:12:27,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:12:27,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:12:27,190 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:12:27,191 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:12:27,192 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:12:27,192 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:12:27,193 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:12:27,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:12:27,194 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:12:27,194 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:12:27,195 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:12:27,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:12:27,195 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:12:27,196 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:12:27,197 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 03:12:27,207 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:12:27,207 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:12:27,207 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:12:27,207 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:12:27,208 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:12:27,208 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:12:27,208 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:12:27,209 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:12:27,209 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:12:27,209 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:12:27,209 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:12:27,209 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:12:27,209 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:12:27,210 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:12:27,210 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:12:27,210 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:12:27,210 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:12:27,210 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:12:27,210 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:12:27,210 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:12:27,211 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:12:27,211 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:12:27,211 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:12:27,211 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:12:27,211 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:12:27,211 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:12:27,211 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:12:27,212 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:12:27,212 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:12:27,212 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_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 -> 8c9432e09ab34163f77fe447dc3730a7acfb00e3 [2018-11-10 03:12:27,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:12:27,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:12:27,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:12:27,244 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:12:27,244 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:12:27,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-11-10 03:12:27,280 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data/b16310074/49b471b3055e4dc48c26394f01500e2c/FLAG7c653648d [2018-11-10 03:12:27,676 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:12:27,677 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-11-10 03:12:27,681 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data/b16310074/49b471b3055e4dc48c26394f01500e2c/FLAG7c653648d [2018-11-10 03:12:27,692 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data/b16310074/49b471b3055e4dc48c26394f01500e2c [2018-11-10 03:12:27,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:12:27,695 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:12:27,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:12:27,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:12:27,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:12:27,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b52ffc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27, skipping insertion in model container [2018-11-10 03:12:27,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:12:27,719 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:12:27,817 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:12:27,819 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:12:27,835 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:12:27,849 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:12:27,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27 WrapperNode [2018-11-10 03:12:27,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:12:27,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:12:27,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:12:27,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:12:27,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (1/1) ... [2018-11-10 03:12:27,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:12:27,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:12:27,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:12:27,885 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:12:27,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 03:12:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:12:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:12:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-10 03:12:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 03:12:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:12:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:12:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-10 03:12:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:12:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 03:12:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 03:12:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:12:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 03:12:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 03:12:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 03:12:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:12:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:12:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:12:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 03:12:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 03:12:28,179 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:12:28,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:12:28 BoogieIcfgContainer [2018-11-10 03:12:28,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:12:28,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:12:28,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:12:28,182 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:12:28,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:12:27" (1/3) ... [2018-11-10 03:12:28,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501a227a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:12:28, skipping insertion in model container [2018-11-10 03:12:28,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:27" (2/3) ... [2018-11-10 03:12:28,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501a227a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:12:28, skipping insertion in model container [2018-11-10 03:12:28,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:12:28" (3/3) ... [2018-11-10 03:12:28,185 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c_true-unreach-call.c [2018-11-10 03:12:28,191 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:12:28,197 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:12:28,208 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:12:28,234 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:12:28,235 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:12:28,235 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:12:28,235 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:12:28,235 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:12:28,236 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:12:28,236 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:12:28,236 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:12:28,236 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:12:28,252 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-10 03:12:28,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 03:12:28,257 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:12:28,258 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:12:28,260 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:12:28,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:12:28,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1806112233, now seen corresponding path program 1 times [2018-11-10 03:12:28,266 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:12:28,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:12:28,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:12:28,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:12:28,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:12:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:12:28,350 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 03:12:28,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:12:28,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:12:28,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:12:28,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:12:28,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:12:28,363 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-11-10 03:12:28,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:12:28,383 INFO L93 Difference]: Finished difference Result 132 states and 157 transitions. [2018-11-10 03:12:28,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:12:28,384 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-10 03:12:28,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:12:28,390 INFO L225 Difference]: With dead ends: 132 [2018-11-10 03:12:28,390 INFO L226 Difference]: Without dead ends: 66 [2018-11-10 03:12:28,392 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 03:12:28,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-10 03:12:28,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-10 03:12:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-10 03:12:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2018-11-10 03:12:28,418 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 18 [2018-11-10 03:12:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:12:28,418 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2018-11-10 03:12:28,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:12:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2018-11-10 03:12:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 03:12:28,420 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:12:28,420 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 03:12:28,420 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:12:28,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:12:28,421 INFO L82 PathProgramCache]: Analyzing trace with hash -523551014, now seen corresponding path program 1 times [2018-11-10 03:12:28,421 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:12:28,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:12:28,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:12:28,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:12:28,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:12:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:12:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:12:28,487 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:12:28,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:12:28 BoogieIcfgContainer [2018-11-10 03:12:28,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:12:28,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:12:28,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:12:28,504 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:12:28,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:12:28" (3/4) ... [2018-11-10 03:12:28,507 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:12:28,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:12:28,507 INFO L168 Benchmark]: Toolchain (without parser) took 813.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -117.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:28,508 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:12:28,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.26 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:28,509 INFO L168 Benchmark]: Boogie Preprocessor took 35.03 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:28,510 INFO L168 Benchmark]: RCFGBuilder took 294.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:28,510 INFO L168 Benchmark]: TraceAbstraction took 324.37 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:28,511 INFO L168 Benchmark]: Witness Printer took 2.72 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 03:12:28,513 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 154.26 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.03 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 294.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 324.37 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 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: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = 0.0f; VAL [x=0] [L63] CALL, EXPR trunc_float(x) VAL [\old(x)=0] [L13] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=0, x=0] [L15] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=0, gf_u={6442450947:0}, x=0] [L16] FCALL gf_u.value = (x) VAL [\old(x)=0, gf_u={6442450947:0}, x=0] [L17] EXPR, FCALL gf_u.word VAL [\old(x)=0, gf_u={6442450947:0}, gf_u.word=6442450944, x=0] [L17] (w) = gf_u.word VAL [(w) = gf_u.word=6442450945, \old(x)=0, gf_u={6442450947:0}, gf_u.word=6442450944, w=-2147483648, x=0] [L18] COND FALSE !(0) VAL [\old(x)=0, w=-2147483648, x=0] [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=0, exponent_less_127=255, signbit=-1, w=-2147483648, x=0] [L21] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=0, exponent_less_127=255, signbit=-1, w=-2147483648, x=0] [L37] COND TRUE exponent_less_127 == 255 [L38] RET return x + x; VAL [\old(x)=0, exponent_less_127=255, signbit=-1, w=-2147483648, x=0] [L63] EXPR trunc_float(x) VAL [trunc_float(x)=6442450948, x=0] [L63] float res = trunc_float(x); [L66] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=6442450948, res == 0.0f && __signbit_float(res) == 0=0, x=0] [L66] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L67] __VERIFIER_error() VAL [res=6442450948, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 70 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 73 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=70occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 03:12:29,913 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:12:29,914 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:12:29,923 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:12:29,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:12:29,924 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:12:29,925 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:12:29,926 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:12:29,927 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:12:29,928 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:12:29,929 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:12:29,929 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:12:29,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:12:29,930 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:12:29,931 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:12:29,932 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:12:29,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:12:29,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:12:29,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:12:29,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:12:29,937 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:12:29,938 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:12:29,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:12:29,940 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:12:29,941 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:12:29,941 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:12:29,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:12:29,942 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:12:29,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:12:29,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:12:29,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:12:29,945 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:12:29,945 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:12:29,945 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:12:29,946 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:12:29,947 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:12:29,947 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 03:12:29,958 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:12:29,958 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:12:29,958 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:12:29,959 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:12:29,959 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:12:29,959 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:12:29,959 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:12:29,960 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:12:29,960 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:12:29,960 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:12:29,960 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:12:29,961 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:12:29,961 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:12:29,961 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:12:29,961 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:12:29,962 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:12:29,962 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:12:29,962 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:12:29,962 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:12:29,962 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:12:29,962 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:12:29,963 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:12:29,963 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:12:29,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:12:29,963 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:12:29,963 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:12:29,963 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:12:29,963 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 03:12:29,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:12:29,964 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:12:29,964 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:12:29,964 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_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 -> 8c9432e09ab34163f77fe447dc3730a7acfb00e3 [2018-11-10 03:12:29,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:12:30,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:12:30,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:12:30,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:12:30,007 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:12:30,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-11-10 03:12:30,054 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data/3d645cf38/01a30171dd6f43d486a0bfded0abb743/FLAG9357f84c1 [2018-11-10 03:12:30,370 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:12:30,371 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-11-10 03:12:30,374 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data/3d645cf38/01a30171dd6f43d486a0bfded0abb743/FLAG9357f84c1 [2018-11-10 03:12:30,382 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/data/3d645cf38/01a30171dd6f43d486a0bfded0abb743 [2018-11-10 03:12:30,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:12:30,385 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:12:30,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:12:30,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:12:30,389 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:12:30,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de1527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30, skipping insertion in model container [2018-11-10 03:12:30,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:12:30,412 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:12:30,533 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:12:30,537 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:12:30,558 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:12:30,577 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:12:30,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30 WrapperNode [2018-11-10 03:12:30,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:12:30,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:12:30,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:12:30,579 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:12:30,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (1/1) ... [2018-11-10 03:12:30,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:12:30,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:12:30,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:12:30,615 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:12:30,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 03:12:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:12:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:12:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-10 03:12:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 03:12:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:12:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:12:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-10 03:12:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:12:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 03:12:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 03:12:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:12:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 03:12:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 03:12:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 03:12:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:12:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:12:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:12:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 03:12:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 03:12:30,865 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:12:30,872 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:12:30,924 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:12:30,929 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 03:12:30,936 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:12:30,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:12:30 BoogieIcfgContainer [2018-11-10 03:12:30,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:12:30,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:12:30,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:12:30,940 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:12:30,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:12:30" (1/3) ... [2018-11-10 03:12:30,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcc8e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:12:30, skipping insertion in model container [2018-11-10 03:12:30,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:12:30" (2/3) ... [2018-11-10 03:12:30,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcc8e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:12:30, skipping insertion in model container [2018-11-10 03:12:30,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:12:30" (3/3) ... [2018-11-10 03:12:30,942 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c_true-unreach-call.c [2018-11-10 03:12:30,948 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:12:30,953 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:12:30,962 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:12:30,982 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:12:30,982 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:12:30,982 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:12:30,982 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:12:30,983 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:12:30,983 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:12:30,983 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:12:30,983 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:12:30,983 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:12:30,995 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-10 03:12:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 03:12:31,000 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:12:31,000 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:12:31,002 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:12:31,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:12:31,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1806112233, now seen corresponding path program 1 times [2018-11-10 03:12:31,007 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:12:31,008 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 03:12:31,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:12:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:12:31,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:12:31,081 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 03:12:31,081 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:12:31,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:12:31,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:12:31,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:12:31,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:12:31,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:12:31,101 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-11-10 03:12:31,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:12:31,119 INFO L93 Difference]: Finished difference Result 132 states and 157 transitions. [2018-11-10 03:12:31,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:12:31,120 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-10 03:12:31,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:12:31,126 INFO L225 Difference]: With dead ends: 132 [2018-11-10 03:12:31,126 INFO L226 Difference]: Without dead ends: 66 [2018-11-10 03:12:31,128 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 03:12:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-10 03:12:31,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-10 03:12:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-10 03:12:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2018-11-10 03:12:31,155 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 18 [2018-11-10 03:12:31,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:12:31,155 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2018-11-10 03:12:31,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:12:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2018-11-10 03:12:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 03:12:31,157 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:12:31,157 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 03:12:31,157 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:12:31,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:12:31,157 INFO L82 PathProgramCache]: Analyzing trace with hash -523551014, now seen corresponding path program 1 times [2018-11-10 03:12:31,158 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:12:31,158 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 03:12:31,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:12:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:12:31,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:12:31,270 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 03:12:31,273 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 03:12:31,273 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:31,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:31,287 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 03:12:31,288 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:12:31,314 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 03:12:31,318 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 03:12:31,318 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:31,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:31,324 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 03:12:31,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:12:31,444 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 03:12:31,444 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:12:31,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:12:31,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 03:12:31,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 03:12:31,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 03:12:31,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:12:31,459 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 9 states. [2018-11-10 03:12:32,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:12:32,096 INFO L93 Difference]: Finished difference Result 92 states and 95 transitions. [2018-11-10 03:12:32,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 03:12:32,097 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-11-10 03:12:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:12:32,098 INFO L225 Difference]: With dead ends: 92 [2018-11-10 03:12:32,098 INFO L226 Difference]: Without dead ends: 65 [2018-11-10 03:12:32,099 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-10 03:12:32,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-10 03:12:32,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-10 03:12:32,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-10 03:12:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2018-11-10 03:12:32,106 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 27 [2018-11-10 03:12:32,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:12:32,107 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2018-11-10 03:12:32,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 03:12:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-11-10 03:12:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 03:12:32,108 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:12:32,108 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 03:12:32,108 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:12:32,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:12:32,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1288791177, now seen corresponding path program 1 times [2018-11-10 03:12:32,109 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:12:32,109 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 03:12:32,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:12:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:12:32,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:12:32,175 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 13 treesize of output 10 [2018-11-10 03:12:32,177 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 10 treesize of output 9 [2018-11-10 03:12:32,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:32,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:32,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 03:12:32,182 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-11-10 03:12:32,195 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 31 treesize of output 23 [2018-11-10 03:12:32,198 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 23 treesize of output 15 [2018-11-10 03:12:32,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:32,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:32,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 03:12:32,202 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:15 [2018-11-10 03:12:32,296 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 03:12:32,297 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:12:32,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:12:32,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 03:12:32,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 03:12:32,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 03:12:32,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:12:32,308 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 9 states. [2018-11-10 03:12:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:12:32,572 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2018-11-10 03:12:32,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 03:12:32,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2018-11-10 03:12:32,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:12:32,573 INFO L225 Difference]: With dead ends: 73 [2018-11-10 03:12:32,573 INFO L226 Difference]: Without dead ends: 70 [2018-11-10 03:12:32,574 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-11-10 03:12:32,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-10 03:12:32,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-11-10 03:12:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-11-10 03:12:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2018-11-10 03:12:32,579 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 38 [2018-11-10 03:12:32,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:12:32,579 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2018-11-10 03:12:32,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 03:12:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2018-11-10 03:12:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 03:12:32,580 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:12:32,580 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 03:12:32,580 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:12:32,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:12:32,580 INFO L82 PathProgramCache]: Analyzing trace with hash -265295118, now seen corresponding path program 1 times [2018-11-10 03:12:32,581 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:12:32,581 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 03:12:32,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:12:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:12:32,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:12:32,624 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 03:12:32,627 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 03:12:32,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:32,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:32,635 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 03:12:32,635 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:12:32,646 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 03:12:32,648 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 03:12:32,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:32,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:32,652 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 03:12:32,652 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:12:32,743 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 03:12:32,743 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:12:32,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:12:32,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 03:12:32,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 03:12:32,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 03:12:32,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:12:32,751 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 9 states. [2018-11-10 03:12:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:12:33,245 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-11-10 03:12:33,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 03:12:33,246 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2018-11-10 03:12:33,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:12:33,247 INFO L225 Difference]: With dead ends: 89 [2018-11-10 03:12:33,247 INFO L226 Difference]: Without dead ends: 55 [2018-11-10 03:12:33,247 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2018-11-10 03:12:33,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-10 03:12:33,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-10 03:12:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-10 03:12:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 54 transitions. [2018-11-10 03:12:33,251 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 54 transitions. Word has length 38 [2018-11-10 03:12:33,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:12:33,251 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 54 transitions. [2018-11-10 03:12:33,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 03:12:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2018-11-10 03:12:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 03:12:33,252 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:12:33,252 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] [2018-11-10 03:12:33,252 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:12:33,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:12:33,253 INFO L82 PathProgramCache]: Analyzing trace with hash 189055639, now seen corresponding path program 1 times [2018-11-10 03:12:33,253 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:12:33,253 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/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 03:12:33,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:12:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:12:33,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:12:33,309 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 03:12:33,311 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 03:12:33,311 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,319 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 03:12:33,319 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:12:33,330 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 03:12:33,332 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 03:12:33,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,336 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 03:12:33,336 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:12:33,381 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 13 treesize of output 10 [2018-11-10 03:12:33,383 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 10 treesize of output 9 [2018-11-10 03:12:33,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 03:12:33,392 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2018-11-10 03:12:33,417 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 31 treesize of output 23 [2018-11-10 03:12:33,419 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 23 treesize of output 15 [2018-11-10 03:12:33,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,421 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 03:12:33,427 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:25 [2018-11-10 03:12:33,630 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 03:12:33,632 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 03:12:33,633 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,635 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,642 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 03:12:33,642 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 03:12:33,683 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 03:12:33,685 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 03:12:33,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,688 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:12:33,690 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 03:12:33,690 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 03:12:33,917 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 03:12:33,917 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:12:33,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:12:33,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-11-10 03:12:33,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-10 03:12:33,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-10 03:12:33,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-11-10 03:12:33,930 INFO L87 Difference]: Start difference. First operand 55 states and 54 transitions. Second operand 21 states. [2018-11-10 03:12:35,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:12:35,660 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2018-11-10 03:12:35,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-10 03:12:35,660 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 54 [2018-11-10 03:12:35,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:12:35,661 INFO L225 Difference]: With dead ends: 55 [2018-11-10 03:12:35,661 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:12:35,662 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=173, Invalid=1549, Unknown=0, NotChecked=0, Total=1722 [2018-11-10 03:12:35,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:12:35,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:12:35,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:12:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:12:35,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-11-10 03:12:35,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:12:35,662 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:12:35,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-10 03:12:35,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:12:35,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:12:35,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:12:35,848 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:12:35,849 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:12:35,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:12:35,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:12:35,849 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 03:12:35,849 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:12:35,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:12:35,849 INFO L421 ceAbstractionStarter]: At program point L66-1(line 66) the Hoare annotation is: (and (= (_ +zero 8 24) main_~x~0) |main_#t~short10| (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0))) (= main_~res~0 (let ((.cse0 (bvand trunc_float_~w~0 (_ bv2147483648 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))))) [2018-11-10 03:12:35,849 INFO L425 ceAbstractionStarter]: For program point L66-2(line 66) no Hoare annotation was computed. [2018-11-10 03:12:35,850 INFO L421 ceAbstractionStarter]: At program point L63(line 63) the Hoare annotation is: (= (_ +zero 8 24) main_~x~0) [2018-11-10 03:12:35,850 INFO L425 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-11-10 03:12:35,850 INFO L425 ceAbstractionStarter]: For program point L66-4(lines 66 69) no Hoare annotation was computed. [2018-11-10 03:12:35,850 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 55 72) the Hoare annotation is: true [2018-11-10 03:12:35,850 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 55 72) no Hoare annotation was computed. [2018-11-10 03:12:35,850 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 55 72) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L31-2(line 31) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L31-3(line 31) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L15-2(line 15) no Hoare annotation was computed. [2018-11-10 03:12:35,851 INFO L425 ceAbstractionStarter]: For program point L15-3(line 15) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 12 41) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L421 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand trunc_float_~w~0 (_ bv2147483648 32)) trunc_float_~signbit~0) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd trunc_float_~exponent_less_127~0 (_ bv127 32)) (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32)))))) [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L33-2(line 33) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-11-10 03:12:35,852 INFO L425 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 39) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L428 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 12 41) the Hoare annotation is: true [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 12 41) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L421 ceAbstractionStarter]: At program point L30-3(lines 30 34) the Hoare annotation is: (and (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (not (bvslt (bvadd (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32)) (_ bv4294967169 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (= (bvand trunc_float_~w~0 (_ bv2147483648 32)) trunc_float_~signbit~0)) (= trunc_float_~x |trunc_float_#in~x|) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd trunc_float_~exponent_less_127~0 (_ bv127 32)) (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32)))))) [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-10 03:12:35,853 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 35) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L421 ceAbstractionStarter]: At program point L14-3(lines 14 18) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L14-4(lines 14 18) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 43 53) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 43 53) the Hoare annotation is: true [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L47-2(line 47) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-11-10 03:12:35,854 INFO L425 ceAbstractionStarter]: For program point L47-3(line 47) no Hoare annotation was computed. [2018-11-10 03:12:35,855 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 43 53) no Hoare annotation was computed. [2018-11-10 03:12:35,855 INFO L421 ceAbstractionStarter]: At program point L46-3(lines 46 50) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-10 03:12:35,855 INFO L425 ceAbstractionStarter]: For program point L46-4(lines 46 50) no Hoare annotation was computed. [2018-11-10 03:12:35,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,870 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,870 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,870 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,870 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,870 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:12:35 BoogieIcfgContainer [2018-11-10 03:12:35,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:12:35,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:12:35,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:12:35,874 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:12:35,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:12:30" (3/4) ... [2018-11-10 03:12:35,878 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:12:35,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:12:35,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:12:35,884 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-11-10 03:12:35,884 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-10 03:12:35,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-10 03:12:35,888 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 03:12:35,888 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 03:12:35,905 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-10 03:12:35,905 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 03:12:35,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~bvand32(trunc_float_~w~0, 2147483648bv32) == signbit && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32)) [2018-11-10 03:12:35,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists trunc_float_~w~0 : bv32 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 0bv32) && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~bvand32(trunc_float_~w~0, 2147483648bv32) == signbit)) && x == \old(x)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32)) [2018-11-10 03:12:35,923 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1ffc54e8-cb02-4dbe-bb88-7d4049210837/bin-2019/uautomizer/witness.graphml [2018-11-10 03:12:35,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:12:35,924 INFO L168 Benchmark]: Toolchain (without parser) took 5539.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -104.7 MB). Peak memory consumption was 99.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:35,925 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 03:12:35,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.38 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:35,926 INFO L168 Benchmark]: Boogie Preprocessor took 35.71 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:12:35,926 INFO L168 Benchmark]: RCFGBuilder took 322.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:35,926 INFO L168 Benchmark]: TraceAbstraction took 4936.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:35,926 INFO L168 Benchmark]: Witness Printer took 49.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:35,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.38 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.71 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 322.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4936.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. * Witness Printer took 49.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: 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: 14]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 30]: Loop Invariant [2018-11-10 03:12:35,930 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,931 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,931 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,931 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,931 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,931 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,931 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,931 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,931 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,932 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,932 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,932 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,932 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,932 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,932 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,933 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,933 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,933 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((\exists trunc_float_~w~0 : bv32 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 0bv32) && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~bvand32(trunc_float_~w~0, 2147483648bv32) == signbit)) && x == \old(x)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 24]: Loop Invariant [2018-11-10 03:12:35,933 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,933 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,934 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,934 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,934 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,934 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,934 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,934 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,934 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,935 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,935 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,935 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,935 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,935 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,935 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 03:12:35,935 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~bvand32(trunc_float_~w~0, 2147483648bv32) == signbit && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 70 locations, 1 error locations. SAFE Result, 4.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 275 SDtfs, 255 SDslu, 1463 SDs, 0 SdLazy, 605 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 18 PreInvPairs, 23 NumberOfFragments, 155 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 55 QuantifiedInterpolants, 66036 SizeOfPredicates, 45 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...