./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18318d2897bde0142dc4632253da5d46def4ecbb ................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18318d2897bde0142dc4632253da5d46def4ecbb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:10,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:10,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:10,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:10,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:10,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:10,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:10,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:10,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:10,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:10,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:10,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:10,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:10,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:10,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:10,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:10,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:10,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:10,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:10,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:10,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:10,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:10,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:10,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:10,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:10,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:10,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:10,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:10,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:10,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:10,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:10,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:10,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:10,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:10,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:10,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:10,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:10,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:10,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:10,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:10,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:10,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:10,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:10,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:10,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:10,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:10,166 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:10,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:10,166 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:10,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:10,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:10,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:10,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:10,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:10,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:10,170 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:10,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:10,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:10,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:10,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:10,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:10,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:10,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:10,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:10,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:10,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:10,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:10,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:10,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:10,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:10,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-10-22 09:02:10,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:10,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:10,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:10,223 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:10,224 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:10,224 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-10-22 09:02:10,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data/ebbcf49fb/f7a4f1d05e9847baa12559ce122f2bb6/FLAGc54f7f305 [2019-10-22 09:02:10,728 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:10,729 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-10-22 09:02:10,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data/ebbcf49fb/f7a4f1d05e9847baa12559ce122f2bb6/FLAGc54f7f305 [2019-10-22 09:02:10,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data/ebbcf49fb/f7a4f1d05e9847baa12559ce122f2bb6 [2019-10-22 09:02:10,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:10,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:10,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:10,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:10,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:10,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:10" (1/1) ... [2019-10-22 09:02:10,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cd565d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:10, skipping insertion in model container [2019-10-22 09:02:10,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:10" (1/1) ... [2019-10-22 09:02:10,772 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:10,794 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:11,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:11,063 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:11,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:11,121 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:11,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11 WrapperNode [2019-10-22 09:02:11,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:11,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:11,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:11,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:11,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:11,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:11,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:11,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:11,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:11,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:11,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:11,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:11,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 09:02:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 09:02:11,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:11,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-10-22 09:02:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:11,850 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:11,851 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-10-22 09:02:11,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:11 BoogieIcfgContainer [2019-10-22 09:02:11,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:11,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:11,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:11,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:11,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:10" (1/3) ... [2019-10-22 09:02:11,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a8c4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:11, skipping insertion in model container [2019-10-22 09:02:11,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (2/3) ... [2019-10-22 09:02:11,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a8c4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:11, skipping insertion in model container [2019-10-22 09:02:11,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:11" (3/3) ... [2019-10-22 09:02:11,860 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-10-22 09:02:11,870 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:11,878 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:02:11,886 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:02:11,906 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:11,906 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:11,906 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:11,906 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:11,907 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:11,907 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:11,907 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:11,907 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-10-22 09:02:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:02:11,928 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:11,929 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:11,931 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:11,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:11,936 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-10-22 09:02:11,944 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:11,944 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819787605] [2019-10-22 09:02:11,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:11,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:11,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:12,042 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819787605] [2019-10-22 09:02:12,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:12,043 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:12,043 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430955882] [2019-10-22 09:02:12,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:12,047 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:12,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:12,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:12,057 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-10-22 09:02:12,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:12,074 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-10-22 09:02:12,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:12,075 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 09:02:12,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:12,086 INFO L225 Difference]: With dead ends: 93 [2019-10-22 09:02:12,086 INFO L226 Difference]: Without dead ends: 44 [2019-10-22 09:02:12,089 INFO L600 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 [2019-10-22 09:02:12,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-22 09:02:12,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-10-22 09:02:12,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-22 09:02:12,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-10-22 09:02:12,124 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-10-22 09:02:12,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:12,124 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-10-22 09:02:12,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:12,124 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-10-22 09:02:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 09:02:12,125 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:12,125 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:12,125 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:12,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:12,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-10-22 09:02:12,126 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:12,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943781088] [2019-10-22 09:02:12,126 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:12,127 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:12,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:12,292 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:12,292 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:02:12,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:12 BoogieIcfgContainer [2019-10-22 09:02:12,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:12,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:12,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:12,327 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:12,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:11" (3/4) ... [2019-10-22 09:02:12,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:02:12,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:12,334 INFO L168 Benchmark]: Toolchain (without parser) took 1578.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:12,334 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:12,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:12,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.07 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:12,336 INFO L168 Benchmark]: Boogie Preprocessor took 68.58 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. [2019-10-22 09:02:12,337 INFO L168 Benchmark]: RCFGBuilder took 596.34 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: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:12,337 INFO L168 Benchmark]: TraceAbstraction took 473.57 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:12,337 INFO L168 Benchmark]: Witness Printer took 4.90 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. [2019-10-22 09:02:12,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.07 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.58 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. * RCFGBuilder took 596.34 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: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 473.57 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.90 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: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={1:0}] [L126] float x = 0.0f; [L127] float y = __VERIFIER_nondet_float(); [L129] COND TRUE (y < 0.0f || y > 0.0f) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={1:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={1:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={1:0}] [L131] float res = fmod_float(x, y); [L134] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={1:0}] [L134] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L135] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 65 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=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-cad4683 [2019-10-22 09:02:14,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:14,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:14,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:14,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:14,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:14,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:14,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:14,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:14,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:14,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:14,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:14,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:14,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:14,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:14,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:14,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:14,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:14,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:14,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:14,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:14,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:14,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:14,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:14,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:14,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:14,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:14,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:14,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:14,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:14,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:14,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:14,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:14,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:14,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:14,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:14,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:14,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:14,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:14,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:14,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:14,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:02:14,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:14,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:14,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:14,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:14,405 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:14,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:14,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:14,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:14,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:14,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:14,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:14,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:14,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:02:14,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:02:14,407 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:14,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:14,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:14,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:14,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:14,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:14,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:14,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:14,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:14,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:14,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:14,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:14,412 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:02:14,412 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:02:14,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:14,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:02:14,412 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-10-22 09:02:14,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:14,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:14,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:14,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:14,452 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:14,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-10-22 09:02:14,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data/5e02c1220/b5b6994b207242d1addbd469181238de/FLAG8d601cdd1 [2019-10-22 09:02:14,854 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:14,855 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-10-22 09:02:14,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data/5e02c1220/b5b6994b207242d1addbd469181238de/FLAG8d601cdd1 [2019-10-22 09:02:15,270 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/data/5e02c1220/b5b6994b207242d1addbd469181238de [2019-10-22 09:02:15,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:15,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:15,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:15,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:15,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:15,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c86f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15, skipping insertion in model container [2019-10-22 09:02:15,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:15,313 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:15,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:15,528 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:15,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:15,673 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:15,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15 WrapperNode [2019-10-22 09:02:15,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:15,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:15,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:15,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:15,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:15,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:15,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:15,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:15,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... [2019-10-22 09:02:15,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:15,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:15,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:15,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:15,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-10-22 09:02:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 09:02:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 09:02:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 09:02:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 09:02:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:16,990 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:16,990 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-10-22 09:02:16,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:16 BoogieIcfgContainer [2019-10-22 09:02:16,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:16,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:16,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:16,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:16,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:15" (1/3) ... [2019-10-22 09:02:16,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:16, skipping insertion in model container [2019-10-22 09:02:16,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:15" (2/3) ... [2019-10-22 09:02:16,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:16, skipping insertion in model container [2019-10-22 09:02:16,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:16" (3/3) ... [2019-10-22 09:02:16,998 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-10-22 09:02:17,007 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:17,013 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:02:17,023 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:02:17,041 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:17,041 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:17,041 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:17,041 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:17,042 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:17,042 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:17,042 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:17,042 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:17,052 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-10-22 09:02:17,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:02:17,057 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:17,058 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:17,059 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:17,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:17,062 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-10-22 09:02:17,069 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:02:17,069 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503139556] [2019-10-22 09:02:17,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-10-22 09:02:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:17,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 09:02:17,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:17,352 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:02:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:17,356 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503139556] [2019-10-22 09:02:17,356 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:17,357 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 09:02:17,357 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991012830] [2019-10-22 09:02:17,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:17,361 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:02:17,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:17,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:17,375 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-10-22 09:02:17,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:17,394 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-10-22 09:02:17,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:17,396 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 09:02:17,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:17,405 INFO L225 Difference]: With dead ends: 93 [2019-10-22 09:02:17,405 INFO L226 Difference]: Without dead ends: 44 [2019-10-22 09:02:17,408 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:17,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-22 09:02:17,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-10-22 09:02:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-22 09:02:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-10-22 09:02:17,440 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-10-22 09:02:17,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:17,440 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-10-22 09:02:17,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:17,441 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-10-22 09:02:17,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 09:02:17,441 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:17,441 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:17,642 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 09:02:17,642 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:17,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:17,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-10-22 09:02:17,643 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:02:17,643 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831283028] [2019-10-22 09:02:17,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-10-22 09:02:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:17,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-22 09:02:17,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:18,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:24,010 WARN L191 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2019-10-22 09:02:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:24,019 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:02:24,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:02:24,255 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:02:24,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:02:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:24,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831283028] [2019-10-22 09:02:24,429 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:24,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-10-22 09:02:24,430 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098015601] [2019-10-22 09:02:24,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 09:02:24,431 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:02:24,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 09:02:24,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:02:24,432 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2019-10-22 09:02:24,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:24,657 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2019-10-22 09:02:24,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:02:24,658 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-10-22 09:02:24,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:24,658 INFO L225 Difference]: With dead ends: 53 [2019-10-22 09:02:24,659 INFO L226 Difference]: Without dead ends: 19 [2019-10-22 09:02:24,660 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:02:24,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-10-22 09:02:24,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-10-22 09:02:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-10-22 09:02:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-10-22 09:02:24,663 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-10-22 09:02:24,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:24,663 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-10-22 09:02:24,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 09:02:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-10-22 09:02:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 09:02:24,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:24,664 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:24,864 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 09:02:24,865 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:24,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:24,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2019-10-22 09:02:24,866 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:02:24,866 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133151678] [2019-10-22 09:02:24,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-10-22 09:02:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:24,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:02:24,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:24,984 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:02:24,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:25,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133151678] [2019-10-22 09:02:25,028 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:25,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-10-22 09:02:25,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053758866] [2019-10-22 09:02:25,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:02:25,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:02:25,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:02:25,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:02:25,029 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2019-10-22 09:02:25,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:25,106 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-22 09:02:25,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:25,107 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-10-22 09:02:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:25,107 INFO L225 Difference]: With dead ends: 22 [2019-10-22 09:02:25,107 INFO L226 Difference]: Without dead ends: 19 [2019-10-22 09:02:25,108 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:02:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-10-22 09:02:25,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-10-22 09:02:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-10-22 09:02:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-10-22 09:02:25,112 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-10-22 09:02:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:25,113 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-10-22 09:02:25,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:02:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-10-22 09:02:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:02:25,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:25,114 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:25,314 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 09:02:25,314 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:25,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:25,315 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2019-10-22 09:02:25,315 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:02:25,315 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127959911] [2019-10-22 09:02:25,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-10-22 09:02:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:25,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-22 09:02:25,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:25,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:25,476 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:02:25,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:25,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127959911] [2019-10-22 09:02:25,646 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:25,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-10-22 09:02:25,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261811759] [2019-10-22 09:02:25,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-22 09:02:25,647 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:02:25,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-22 09:02:25,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:02:25,648 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2019-10-22 09:02:25,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:25,827 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-10-22 09:02:25,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:02:25,827 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2019-10-22 09:02:25,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:25,827 INFO L225 Difference]: With dead ends: 19 [2019-10-22 09:02:25,827 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:25,828 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-10-22 09:02:25,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:25,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:25,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-10-22 09:02:25,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:25,829 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:25,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-22 09:02:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:25,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:26,030 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 09:02:26,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:26,230 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-10-22 09:02:26,230 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2019-10-22 09:02:26,230 INFO L439 ceAbstractionStarter]: At program point L110-2(lines 110 114) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-10-22 09:02:26,230 INFO L443 ceAbstractionStarter]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2019-10-22 09:02:26,231 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-22 09:02:26,231 INFO L443 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-10-22 09:02:26,231 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:26,231 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:26,231 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-10-22 09:02:26,231 INFO L443 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-10-22 09:02:26,231 INFO L439 ceAbstractionStarter]: At program point L20-2(lines 20 24) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-10-22 09:02:26,231 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-10-22 09:02:26,231 INFO L443 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-10-22 09:02:26,232 INFO L439 ceAbstractionStarter]: At program point L104(lines 17 105) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-10-22 09:02:26,232 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-10-22 09:02:26,232 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 138) no Hoare annotation was computed. [2019-10-22 09:02:26,232 INFO L443 ceAbstractionStarter]: For program point L129-2(lines 129 138) no Hoare annotation was computed. [2019-10-22 09:02:26,232 INFO L443 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-10-22 09:02:26,232 INFO L439 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-10-22 09:02:26,232 INFO L443 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-10-22 09:02:26,232 INFO L439 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-10-22 09:02:26,232 INFO L443 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L439 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-10-22 09:02:26,233 INFO L443 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L443 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L443 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L443 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L439 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-10-22 09:02:26,233 INFO L443 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-10-22 09:02:26,233 INFO L446 ceAbstractionStarter]: At program point L140(lines 119 141) the Hoare annotation is: true [2019-10-22 09:02:26,234 INFO L443 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-10-22 09:02:26,234 INFO L439 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-10-22 09:02:26,234 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:26,234 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-10-22 09:02:26,234 INFO L443 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-10-22 09:02:26,234 INFO L443 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-10-22 09:02:26,234 INFO L443 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-10-22 09:02:26,234 INFO L439 ceAbstractionStarter]: At program point L116(lines 107 117) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-10-22 09:02:26,234 INFO L443 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-10-22 09:02:26,234 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-10-22 09:02:26,235 INFO L439 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-10-22 09:02:26,235 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-10-22 09:02:26,235 INFO L443 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-10-22 09:02:26,235 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-22 09:02:26,235 INFO L443 ceAbstractionStarter]: For program point L134-2(lines 134 137) no Hoare annotation was computed. [2019-10-22 09:02:26,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:26 BoogieIcfgContainer [2019-10-22 09:02:26,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:26,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:26,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:26,257 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:26,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:16" (3/4) ... [2019-10-22 09:02:26,260 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:26,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 09:02:26,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 09:02:26,303 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6c888c42-b40f-49c6-8fc8-1bc9e92a98ed/bin/uautomizer/witness.graphml [2019-10-22 09:02:26,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:26,304 INFO L168 Benchmark]: Toolchain (without parser) took 11030.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 947.0 MB in the beginning and 880.2 MB in the end (delta: 66.8 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,304 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:26,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.58 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. [2019-10-22 09:02:26,305 INFO L168 Benchmark]: Boogie Preprocessor took 38.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:26,305 INFO L168 Benchmark]: RCFGBuilder took 1230.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,306 INFO L168 Benchmark]: TraceAbstraction took 9264.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.2 MB in the end (delta: 216.7 MB). Peak memory consumption was 216.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,306 INFO L168 Benchmark]: Witness Printer took 46.65 ms. Allocated memory is still 1.2 GB. Free memory is still 880.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:26,308 INFO L335 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 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.58 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. * Boogie Preprocessor took 38.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1230.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9264.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.2 MB in the end (delta: 216.7 MB). Peak memory consumption was 216.7 MB. Max. memory is 11.5 GB. * Witness Printer took 46.65 ms. Allocated memory is still 1.2 GB. Free memory is still 880.2 MB. There was no memory consumed. 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[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2019-10-22 09:02:26,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 17]: Loop Invariant [2019-10-22 09:02:26,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,316 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,316 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,316 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,316 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 107]: Loop Invariant [2019-10-22 09:02:26,316 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,317 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,317 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,317 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,317 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,318 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,318 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-10-22 09:02:26,318 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: SAFE, OverallTime: 9.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 99 SDtfs, 162 SDslu, 103 SDs, 0 SdLazy, 69 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 173 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 218 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...