./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 ............................................................................................................................................................................................................................................................................................................................ 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_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:38:38,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:38:38,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:38:38,132 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:38:38,132 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:38:38,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:38:38,133 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:38:38,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:38:38,135 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:38:38,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:38:38,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:38:38,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:38:38,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:38:38,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:38:38,138 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:38:38,139 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:38:38,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:38:38,140 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:38:38,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:38:38,143 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:38:38,144 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:38:38,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:38:38,146 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:38:38,146 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:38:38,146 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:38:38,147 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:38:38,147 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:38:38,148 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:38:38,148 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:38:38,149 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:38:38,149 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:38:38,149 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:38:38,149 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:38:38,150 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:38:38,150 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:38:38,150 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:38:38,150 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:38:38,158 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:38:38,158 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:38:38,159 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:38:38,159 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:38:38,159 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:38:38,160 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:38:38,160 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:38:38,160 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:38:38,160 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:38:38,160 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:38:38,160 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:38:38,160 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:38:38,161 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:38:38,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:38:38,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:38:38,162 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:38:38,162 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:38:38,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:38:38,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:38:38,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:38:38,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:38:38,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:38:38,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:38:38,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:38:38,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:38:38,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:38:38,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:38:38,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:38:38,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:38:38,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:38:38,164 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:38:38,164 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:38:38,164 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:38:38,164 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:38:38,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:38:38,165 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:38:38,165 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 [2018-12-09 10:38:38,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:38:38,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:38:38,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:38:38,198 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:38:38,198 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:38:38,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c [2018-12-09 10:38:38,232 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data/f67dd8eca/c248151bf9ad497ea169c7fc12814a36/FLAG874ea891a [2018-12-09 10:38:38,639 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:38:38,640 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c [2018-12-09 10:38:38,644 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data/f67dd8eca/c248151bf9ad497ea169c7fc12814a36/FLAG874ea891a [2018-12-09 10:38:38,653 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data/f67dd8eca/c248151bf9ad497ea169c7fc12814a36 [2018-12-09 10:38:38,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:38:38,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:38:38,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:38:38,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:38:38,658 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:38:38,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdf4af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38, skipping insertion in model container [2018-12-09 10:38:38,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:38:38,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:38:38,778 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:38:38,780 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:38:38,794 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:38:38,806 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:38:38,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38 WrapperNode [2018-12-09 10:38:38,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:38:38,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:38:38,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:38:38,807 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:38:38,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:38:38,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:38:38,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:38:38,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:38:38,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... [2018-12-09 10:38:38,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:38:38,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:38:38,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:38:38,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:38:38,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:38:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 10:38:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 10:38:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-09 10:38:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-09 10:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:38:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 10:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:38:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 10:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:38:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-12-09 10:38:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-12-09 10:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 10:38:39,052 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:38:39,052 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 10:38:39,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:38:39 BoogieIcfgContainer [2018-12-09 10:38:39,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:38:39,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:38:39,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:38:39,055 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:38:39,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:38:38" (1/3) ... [2018-12-09 10:38:39,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6a5d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:38:39, skipping insertion in model container [2018-12-09 10:38:39,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38" (2/3) ... [2018-12-09 10:38:39,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6a5d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:38:39, skipping insertion in model container [2018-12-09 10:38:39,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:38:39" (3/3) ... [2018-12-09 10:38:39,058 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b_true-unreach-call.c [2018-12-09 10:38:39,065 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:38:39,070 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:38:39,080 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:38:39,097 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:38:39,097 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:38:39,097 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:38:39,097 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:38:39,097 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:38:39,097 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:38:39,097 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:38:39,097 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:38:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-12-09 10:38:39,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 10:38:39,110 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:38:39,111 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:38:39,112 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:38:39,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:38:39,115 INFO L82 PathProgramCache]: Analyzing trace with hash -456969478, now seen corresponding path program 1 times [2018-12-09 10:38:39,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:38:39,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:38:39,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:38:39,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:38:39,144 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:38:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:38:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:38:39,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:38:39,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:38:39,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:38:39,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:38:39,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:38:39,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:38:39,202 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-12-09 10:38:39,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:38:39,214 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2018-12-09 10:38:39,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:38:39,215 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-09 10:38:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:38:39,220 INFO L225 Difference]: With dead ends: 66 [2018-12-09 10:38:39,220 INFO L226 Difference]: Without dead ends: 33 [2018-12-09 10:38:39,221 INFO L631 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 [2018-12-09 10:38:39,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-09 10:38:39,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-09 10:38:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-09 10:38:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-12-09 10:38:39,243 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 24 [2018-12-09 10:38:39,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:38:39,243 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-12-09 10:38:39,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:38:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-12-09 10:38:39,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 10:38:39,243 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:38:39,244 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:38:39,244 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:38:39,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:38:39,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1810155496, now seen corresponding path program 1 times [2018-12-09 10:38:39,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:38:39,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:38:39,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:38:39,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:38:39,245 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:38:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:38:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:38:39,306 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 10:38:39,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:38:39 BoogieIcfgContainer [2018-12-09 10:38:39,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:38:39,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:38:39,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:38:39,324 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:38:39,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:38:39" (3/4) ... [2018-12-09 10:38:39,326 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 10:38:39,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:38:39,327 INFO L168 Benchmark]: Toolchain (without parser) took 671.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 953.4 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:39,328 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:38:39,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.61 ms. Allocated memory is still 1.0 GB. Free memory was 953.4 MB in the beginning and 942.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:39,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.61 ms. Allocated memory is still 1.0 GB. Free memory was 942.7 MB in the beginning and 937.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:39,329 INFO L168 Benchmark]: Boogie Preprocessor took 47.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:39,329 INFO L168 Benchmark]: RCFGBuilder took 184.08 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:39,329 INFO L168 Benchmark]: TraceAbstraction took 270.31 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:39,329 INFO L168 Benchmark]: Witness Printer took 2.69 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. [2018-12-09 10:38:39,331 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.61 ms. Allocated memory is still 1.0 GB. Free memory was 953.4 MB in the beginning and 942.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.61 ms. Allocated memory is still 1.0 GB. Free memory was 942.7 MB in the beginning and 937.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 184.08 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 270.31 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 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: 66]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseAnd at line 50. Possible FailurePath: [L61] float x = -1.0f / 0.0f; [L62] CALL, EXPR trunc_float(x) VAL [\old(x)=6442450951] [L12] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=6442450951, x=6442450951] [L14] ieee_float_shape_type gf_u; [L15] gf_u.value = (x) [L16] EXPR gf_u.word [L16] (w) = gf_u.word [L18] signbit = w & 0x80000000 [L19] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=6442450951, exponent_less_127=255, signbit=0, w=3, x=6442450951] [L20] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=6442450951, exponent_less_127=255, signbit=0, w=3, x=6442450951] [L36] COND TRUE exponent_less_127 == 255 [L37] return x + x; VAL [\old(x)=6442450951, exponent_less_127=255, signbit=0, w=3, x=6442450951] [L62] RET, EXPR trunc_float(x) VAL [trunc_float(x)=6442450945, x=6442450951] [L62] float res = trunc_float(x); [L65] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450945] [L44] __int32_t ix; VAL [\old(x)=6442450945, x=6442450945] [L46] ieee_float_shape_type gf_u; [L47] gf_u.value = (x) [L48] EXPR gf_u.word [L48] (ix) = gf_u.word [L50] ix &= 0x7fffffff [L51] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450945, \result=0, ix=0, x=6442450945] [L65] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, res=6442450945, x=6442450951] [L65] COND TRUE !isinf_float(res) [L66] __VERIFIER_error() VAL [res=6442450945, x=6442450951] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 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=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 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 0.1.23-635dfa2 [2018-12-09 10:38:40,671 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:38:40,672 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:38:40,679 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:38:40,679 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:38:40,680 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:38:40,681 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:38:40,682 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:38:40,683 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:38:40,683 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:38:40,684 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:38:40,684 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:38:40,685 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:38:40,685 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:38:40,686 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:38:40,687 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:38:40,687 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:38:40,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:38:40,690 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:38:40,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:38:40,691 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:38:40,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:38:40,694 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:38:40,694 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:38:40,694 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:38:40,695 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:38:40,695 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:38:40,696 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:38:40,696 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:38:40,697 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:38:40,697 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:38:40,698 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:38:40,698 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:38:40,698 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:38:40,699 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:38:40,699 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:38:40,699 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 10:38:40,710 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:38:40,710 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:38:40,711 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:38:40,711 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:38:40,711 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:38:40,711 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:38:40,711 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:38:40,711 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:38:40,711 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:38:40,712 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:38:40,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:38:40,712 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:38:40,712 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:38:40,712 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:38:40,712 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:38:40,713 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:38:40,713 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:38:40,713 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 10:38:40,713 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 10:38:40,713 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:38:40,713 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:38:40,713 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:38:40,713 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:38:40,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:38:40,714 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 10:38:40,714 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 10:38:40,715 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_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 [2018-12-09 10:38:40,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:38:40,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:38:40,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:38:40,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:38:40,752 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:38:40,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c [2018-12-09 10:38:40,791 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data/50c28b630/909183296b454f4b8cdc610833c89b3c/FLAG3d8e38e3e [2018-12-09 10:38:41,151 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:38:41,152 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c [2018-12-09 10:38:41,155 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data/50c28b630/909183296b454f4b8cdc610833c89b3c/FLAG3d8e38e3e [2018-12-09 10:38:41,527 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/data/50c28b630/909183296b454f4b8cdc610833c89b3c [2018-12-09 10:38:41,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:38:41,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:38:41,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:38:41,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:38:41,533 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:38:41,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41, skipping insertion in model container [2018-12-09 10:38:41,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:38:41,550 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:38:41,640 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:38:41,643 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:38:41,658 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:38:41,672 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:38:41,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41 WrapperNode [2018-12-09 10:38:41,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:38:41,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:38:41,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:38:41,673 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:38:41,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:38:41,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:38:41,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:38:41,687 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:38:41,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2018-12-09 10:38:41,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:38:41,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:38:41,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:38:41,707 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:38:41,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:38:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-09 10:38:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-09 10:38:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:38:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:38:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:38:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 10:38:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:38:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:38:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 10:38:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:38:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:38:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-12-09 10:38:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-12-09 10:38:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 10:38:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 10:38:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 10:38:41,853 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:38:41,885 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:38:41,927 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:38:41,928 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 10:38:41,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:38:41 BoogieIcfgContainer [2018-12-09 10:38:41,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:38:41,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:38:41,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:38:41,930 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:38:41,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:38:41" (1/3) ... [2018-12-09 10:38:41,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d14cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:38:41, skipping insertion in model container [2018-12-09 10:38:41,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (2/3) ... [2018-12-09 10:38:41,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d14cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:38:41, skipping insertion in model container [2018-12-09 10:38:41,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:38:41" (3/3) ... [2018-12-09 10:38:41,932 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b_true-unreach-call.c [2018-12-09 10:38:41,938 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:38:41,942 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:38:41,952 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:38:41,968 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:38:41,968 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:38:41,968 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:38:41,968 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:38:41,968 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:38:41,968 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:38:41,968 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:38:41,969 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:38:41,969 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:38:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-12-09 10:38:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 10:38:41,981 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:38:41,981 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:38:41,982 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:38:41,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:38:41,986 INFO L82 PathProgramCache]: Analyzing trace with hash 503658527, now seen corresponding path program 1 times [2018-12-09 10:38:41,988 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 10:38:41,988 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 10:38:41,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:38:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:38:42,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:38:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:38:42,052 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 10:38:42,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:38:42,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:38:42,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:38:42,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:38:42,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:38:42,071 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-12-09 10:38:42,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:38:42,084 INFO L93 Difference]: Finished difference Result 64 states and 87 transitions. [2018-12-09 10:38:42,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:38:42,085 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 10:38:42,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:38:42,089 INFO L225 Difference]: With dead ends: 64 [2018-12-09 10:38:42,089 INFO L226 Difference]: Without dead ends: 32 [2018-12-09 10:38:42,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:38:42,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-09 10:38:42,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-09 10:38:42,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-09 10:38:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-12-09 10:38:42,113 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 23 [2018-12-09 10:38:42,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:38:42,113 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-12-09 10:38:42,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:38:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-12-09 10:38:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 10:38:42,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:38:42,114 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:38:42,114 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:38:42,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:38:42,115 INFO L82 PathProgramCache]: Analyzing trace with hash -723579698, now seen corresponding path program 1 times [2018-12-09 10:38:42,115 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 10:38:42,115 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 10:38:42,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:38:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:38:42,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:38:42,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:38:42,226 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 10:38:42,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:38:42,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:38:42,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:38:42,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:38:42,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:38:42,234 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 6 states. [2018-12-09 10:38:42,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:38:42,529 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-12-09 10:38:42,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:38:42,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-09 10:38:42,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:38:42,531 INFO L225 Difference]: With dead ends: 48 [2018-12-09 10:38:42,531 INFO L226 Difference]: Without dead ends: 35 [2018-12-09 10:38:42,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:38:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-09 10:38:42,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2018-12-09 10:38:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-09 10:38:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-12-09 10:38:42,537 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 25 [2018-12-09 10:38:42,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:38:42,537 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-12-09 10:38:42,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:38:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-12-09 10:38:42,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 10:38:42,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:38:42,538 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:38:42,538 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:38:42,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:38:42,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1367100721, now seen corresponding path program 1 times [2018-12-09 10:38:42,538 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 10:38:42,538 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 10:38:42,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:38:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:38:42,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:38:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:38:42,720 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 10:38:42,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:38:42,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 10:38:42,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 10:38:42,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 10:38:42,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:38:42,728 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 11 states. [2018-12-09 10:38:43,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:38:43,056 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-12-09 10:38:43,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 10:38:43,057 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-12-09 10:38:43,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:38:43,057 INFO L225 Difference]: With dead ends: 40 [2018-12-09 10:38:43,057 INFO L226 Difference]: Without dead ends: 31 [2018-12-09 10:38:43,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-09 10:38:43,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-09 10:38:43,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-09 10:38:43,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-09 10:38:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-12-09 10:38:43,064 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 26 [2018-12-09 10:38:43,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:38:43,064 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-12-09 10:38:43,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 10:38:43,064 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-12-09 10:38:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 10:38:43,064 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:38:43,064 INFO L402 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] [2018-12-09 10:38:43,065 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:38:43,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:38:43,065 INFO L82 PathProgramCache]: Analyzing trace with hash -69324930, now seen corresponding path program 1 times [2018-12-09 10:38:43,065 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 10:38:43,065 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 10:38:43,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:38:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:38:43,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:38:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:38:43,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 10:38:43,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:38:43,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:38:43,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:38:43,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:38:43,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:38:43,176 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-12-09 10:38:43,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:38:43,376 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-12-09 10:38:43,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:38:43,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-09 10:38:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:38:43,378 INFO L225 Difference]: With dead ends: 31 [2018-12-09 10:38:43,378 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:38:43,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:38:43,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:38:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:38:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:38:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:38:43,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-12-09 10:38:43,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:38:43,379 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:38:43,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:38:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:38:43,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:38:43,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:38:43,492 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 43 52) the Hoare annotation is: true [2018-12-09 10:38:43,492 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 45 49) no Hoare annotation was computed. [2018-12-09 10:38:43,492 INFO L444 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-12-09 10:38:43,492 INFO L448 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2018-12-09 10:38:43,492 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 43 52) no Hoare annotation was computed. [2018-12-09 10:38:43,493 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 43 52) no Hoare annotation was computed. [2018-12-09 10:38:43,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:38:43,493 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:38:43,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:38:43,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:38:43,493 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 10:38:43,493 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:38:43,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:38:43,493 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= .cse0 main_~res~0) (= main_~x~0 .cse0))) [2018-12-09 10:38:43,493 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 68) no Hoare annotation was computed. [2018-12-09 10:38:43,493 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 66) no Hoare annotation was computed. [2018-12-09 10:38:43,493 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-12-09 10:38:43,494 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 54 71) the Hoare annotation is: true [2018-12-09 10:38:43,494 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-12-09 10:38:43,494 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 54 71) no Hoare annotation was computed. [2018-12-09 10:38:43,494 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 54 71) no Hoare annotation was computed. [2018-12-09 10:38:43,494 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-09 10:38:43,494 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2018-12-09 10:38:43,494 INFO L444 ceAbstractionStarter]: At program point L29-2(lines 29 33) the Hoare annotation is: (and (= trunc_float_~x |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|) (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))) (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 (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (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|)) [2018-12-09 10:38:43,494 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-12-09 10:38:43,494 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 34) no Hoare annotation was computed. [2018-12-09 10:38:43,494 INFO L444 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: (and (= trunc_float_~x |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|) (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))) (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 (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (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|)) [2018-12-09 10:38:43,494 INFO L451 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 11 40) the Hoare annotation is: true [2018-12-09 10:38:43,494 INFO L448 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-12-09 10:38:43,495 INFO L444 ceAbstractionStarter]: At program point L13-2(lines 13 17) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-12-09 10:38:43,495 INFO L448 ceAbstractionStarter]: For program point L13-3(lines 13 17) no Hoare annotation was computed. [2018-12-09 10:38:43,495 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-12-09 10:38:43,495 INFO L448 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 11 40) no Hoare annotation was computed. [2018-12-09 10:38:43,495 INFO L448 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 11 40) no Hoare annotation was computed. [2018-12-09 10:38:43,495 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 38) no Hoare annotation was computed. [2018-12-09 10:38:43,495 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 38) no Hoare annotation was computed. [2018-12-09 10:38:43,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,504 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,504 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,504 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,504 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:38:43 BoogieIcfgContainer [2018-12-09 10:38:43,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:38:43,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:38:43,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:38:43,510 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:38:43,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:38:41" (3/4) ... [2018-12-09 10:38:43,512 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:38:43,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-09 10:38:43,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:38:43,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:38:43,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-12-09 10:38:43,519 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 10:38:43,520 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 10:38:43,520 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:38:43,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-09 10:38:43,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 10:38:43,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \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) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\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(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-12-09 10:38:43,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \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) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\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(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-12-09 10:38:43,551 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3a2d5539-65e8-4011-900c-1deccc7fef41/bin-2019/utaipan/witness.graphml [2018-12-09 10:38:43,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:38:43,552 INFO L168 Benchmark]: Toolchain (without parser) took 2023.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 943.4 MB in the beginning and 921.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 141.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:43,553 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:38:43,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:43,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.40 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:43,554 INFO L168 Benchmark]: Boogie Preprocessor took 20.03 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:38:43,554 INFO L168 Benchmark]: RCFGBuilder took 220.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:43,555 INFO L168 Benchmark]: TraceAbstraction took 1580.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 927.9 MB in the end (delta: 159.8 MB). Peak memory consumption was 159.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:43,555 INFO L168 Benchmark]: Witness Printer took 41.86 ms. Allocated memory is still 1.1 GB. Free memory was 927.9 MB in the beginning and 921.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:38:43,556 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.40 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.03 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 220.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1580.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 927.9 MB in the end (delta: 159.8 MB). Peak memory consumption was 159.8 MB. Max. memory is 11.5 GB. * Witness Printer took 41.86 ms. Allocated memory is still 1.1 GB. Free memory was 927.9 MB in the beginning and 921.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 66]: 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: 13]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 29]: Loop Invariant [2018-12-09 10:38:43,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \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) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\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(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 23]: Loop Invariant [2018-12-09 10:38:43,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-09 10:38:43,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \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) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\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(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 74 SDslu, 320 SDs, 0 SdLazy, 135 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 18 PreInvPairs, 23 NumberOfFragments, 146 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 11 QuantifiedInterpolants, 11993 SizeOfPredicates, 12 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...