./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 fb906b6dd506785279c111a847f91453236e370a ...................................................................................................................................................................................................................................................................................... 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/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 fb906b6dd506785279c111a847f91453236e370a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:29:31,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:29:31,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:29:31,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:29:31,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:29:31,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:29:31,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:29:31,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:29:31,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:29:31,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:29:31,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:29:31,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:29:31,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:29:31,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:29:31,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:29:31,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:29:31,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:29:31,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:29:31,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:29:31,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:29:31,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:29:31,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:29:31,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:29:31,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:29:31,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:29:31,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:29:31,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:29:31,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:29:31,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:29:31,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:29:31,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:29:31,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:29:31,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:29:31,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:29:31,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:29:31,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:29:31,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:29:31,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:29:31,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:29:31,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:29:31,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:29:31,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:29:31,992 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:29:31,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:29:31,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:29:31,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:29:31,993 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:29:31,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:29:31,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:29:31,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:29:31,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:29:31,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:29:31,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:29:31,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:29:31,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:29:31,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:29:31,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:29:31,994 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:29:31,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:29:31,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:29:31,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:29:31,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:29:31,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:29:31,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:29:31,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:29:31,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:29:31,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:29:31,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:29:31,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:29:31,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:29:31,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:29:31,996 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/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 -> fb906b6dd506785279c111a847f91453236e370a [2019-12-07 18:29:32,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:29:32,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:29:32,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:29:32,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:29:32,111 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:29:32,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2019-12-07 18:29:32,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data/4923d701b/81f42ccdcf1145c5ac7728eee106bb98/FLAG90bad71eb [2019-12-07 18:29:32,566 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:29:32,566 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2019-12-07 18:29:32,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data/4923d701b/81f42ccdcf1145c5ac7728eee106bb98/FLAG90bad71eb [2019-12-07 18:29:32,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data/4923d701b/81f42ccdcf1145c5ac7728eee106bb98 [2019-12-07 18:29:32,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:29:32,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:29:32,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:29:32,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:29:32,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:29:32,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6342ce07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32, skipping insertion in model container [2019-12-07 18:29:32,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:29:32,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:29:32,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:29:32,757 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:29:32,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:29:32,789 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:29:32,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32 WrapperNode [2019-12-07 18:29:32,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:29:32,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:29:32,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:29:32,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:29:32,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:29:32,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:29:32,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:29:32,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:29:32,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... [2019-12-07 18:29:32,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:29:32,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:29:32,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:29:32,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:29:32,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 [2019-12-07 18:29:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 18:29:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:29:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 18:29:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:29:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:29:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:29:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:29:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:29:33,058 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:29:33,058 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 18:29:33,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:33 BoogieIcfgContainer [2019-12-07 18:29:33,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:29:33,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:29:33,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:29:33,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:29:33,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:29:32" (1/3) ... [2019-12-07 18:29:33,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d9dfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:29:33, skipping insertion in model container [2019-12-07 18:29:33,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:32" (2/3) ... [2019-12-07 18:29:33,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d9dfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:29:33, skipping insertion in model container [2019-12-07 18:29:33,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:33" (3/3) ... [2019-12-07 18:29:33,064 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a.c [2019-12-07 18:29:33,070 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:29:33,074 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:29:33,081 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:29:33,095 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:29:33,096 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:29:33,096 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:29:33,096 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:29:33,096 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:29:33,096 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:29:33,096 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:29:33,096 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:29:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-12-07 18:29:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 18:29:33,111 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:33,111 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:29:33,112 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:33,115 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-12-07 18:29:33,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:29:33,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488283900] [2019-12-07 18:29:33,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:29:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:33,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488283900] [2019-12-07 18:29:33,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:33,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:29:33,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209799992] [2019-12-07 18:29:33,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:29:33,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:29:33,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:29:33,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:29:33,207 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-12-07 18:29:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:33,219 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-12-07 18:29:33,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:29:33,220 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 18:29:33,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:33,226 INFO L225 Difference]: With dead ends: 58 [2019-12-07 18:29:33,226 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 18:29:33,228 INFO L630 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 [2019-12-07 18:29:33,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 18:29:33,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 18:29:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 18:29:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-12-07 18:29:33,251 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-12-07 18:29:33,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:33,251 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-12-07 18:29:33,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:29:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-12-07 18:29:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:29:33,252 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:33,252 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:29:33,252 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:33,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:33,252 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-12-07 18:29:33,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:29:33,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612635961] [2019-12-07 18:29:33,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:29:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:29:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:29:33,333 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:29:33,333 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:29:33,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:29:33 BoogieIcfgContainer [2019-12-07 18:29:33,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:29:33,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:29:33,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:29:33,353 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:29:33,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:33" (3/4) ... [2019-12-07 18:29:33,356 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:29:33,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:29:33,358 INFO L168 Benchmark]: Toolchain (without parser) took 776.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -123.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:33,359 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:29:33,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:33,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.17 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. [2019-12-07 18:29:33,361 INFO L168 Benchmark]: Boogie Preprocessor took 24.78 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. [2019-12-07 18:29:33,361 INFO L168 Benchmark]: RCFGBuilder took 214.81 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:33,362 INFO L168 Benchmark]: TraceAbstraction took 293.32 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:33,362 INFO L168 Benchmark]: Witness Printer took 3.14 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. [2019-12-07 18:29:33,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.17 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 24.78 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. * RCFGBuilder took 214.81 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 293.32 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 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: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someUnaryFLOAToperation at line 76, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L76] float x = -0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_ceil=1000000000000000000000000000000] [L77] float res = ceil_float(x); [L80] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_ceil=1000000000000000000000000000000] [L80] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.1.25-f470102 [2019-12-07 18:29:34,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:29:34,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:29:34,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:29:34,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:29:34,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:29:34,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:29:34,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:29:34,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:29:34,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:29:34,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:29:34,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:29:34,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:29:34,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:29:34,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:29:34,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:29:34,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:29:34,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:29:34,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:29:34,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:29:34,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:29:34,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:29:34,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:29:34,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:29:34,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:29:34,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:29:34,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:29:34,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:29:34,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:29:34,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:29:34,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:29:34,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:29:34,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:29:34,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:29:34,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:29:34,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:29:34,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:29:34,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:29:34,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:29:34,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:29:34,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:29:34,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:29:34,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:29:34,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:29:34,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:29:34,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:29:34,759 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:29:34,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:29:34,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:29:34,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:29:34,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:29:34,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:29:34,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:29:34,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:29:34,760 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:29:34,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:29:34,761 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:29:34,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:29:34,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:29:34,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:29:34,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:29:34,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:29:34,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:29:34,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:29:34,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:29:34,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:29:34,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:29:34,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:29:34,762 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:29:34,762 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:29:34,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:29:34,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:29:34,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:29:34,763 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/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 -> fb906b6dd506785279c111a847f91453236e370a [2019-12-07 18:29:34,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:29:34,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:29:34,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:29:34,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:29:34,949 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:29:34,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2019-12-07 18:29:34,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data/9f4b1a485/433862fdd9df44a7a23849fb9c99b1bf/FLAG0353b6cf9 [2019-12-07 18:29:35,421 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:29:35,422 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2019-12-07 18:29:35,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data/9f4b1a485/433862fdd9df44a7a23849fb9c99b1bf/FLAG0353b6cf9 [2019-12-07 18:29:35,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/data/9f4b1a485/433862fdd9df44a7a23849fb9c99b1bf [2019-12-07 18:29:35,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:29:35,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:29:35,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:29:35,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:29:35,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:29:35,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41944eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35, skipping insertion in model container [2019-12-07 18:29:35,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:29:35,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:29:35,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:29:35,595 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:29:35,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:29:35,631 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:29:35,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35 WrapperNode [2019-12-07 18:29:35,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:29:35,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:29:35,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:29:35,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:29:35,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:29:35,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:29:35,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:29:35,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:29:35,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... [2019-12-07 18:29:35,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:29:35,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:29:35,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:29:35,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:29:35,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 [2019-12-07 18:29:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:29:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 18:29:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:29:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:29:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:29:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 18:29:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:29:35,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:29:36,153 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:29:36,153 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 18:29:36,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:36 BoogieIcfgContainer [2019-12-07 18:29:36,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:29:36,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:29:36,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:29:36,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:29:36,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:29:35" (1/3) ... [2019-12-07 18:29:36,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6462d222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:29:36, skipping insertion in model container [2019-12-07 18:29:36,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:35" (2/3) ... [2019-12-07 18:29:36,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6462d222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:29:36, skipping insertion in model container [2019-12-07 18:29:36,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:36" (3/3) ... [2019-12-07 18:29:36,159 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a.c [2019-12-07 18:29:36,165 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:29:36,170 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:29:36,177 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:29:36,191 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:29:36,191 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:29:36,191 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:29:36,192 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:29:36,192 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:29:36,192 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:29:36,192 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:29:36,192 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:29:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-12-07 18:29:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 18:29:36,205 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:36,205 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:29:36,205 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:36,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:36,209 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-12-07 18:29:36,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:29:36,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17976298] [2019-12-07 18:29:36,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 [2019-12-07 18:29:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:36,286 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 18:29:36,289 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:29:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:36,298 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:29:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:36,301 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17976298] [2019-12-07 18:29:36,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:36,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:29:36,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191268925] [2019-12-07 18:29:36,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:29:36,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:29:36,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:29:36,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:29:36,315 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-12-07 18:29:36,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:36,327 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-12-07 18:29:36,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:29:36,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 18:29:36,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:36,334 INFO L225 Difference]: With dead ends: 58 [2019-12-07 18:29:36,334 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 18:29:36,336 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:29:36,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 18:29:36,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 18:29:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 18:29:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-12-07 18:29:36,360 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-12-07 18:29:36,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:36,361 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-12-07 18:29:36,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:29:36,361 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-12-07 18:29:36,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:29:36,361 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:36,361 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:29:36,562 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:29:36,563 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:36,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:36,564 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-12-07 18:29:36,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:29:36,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809630287] [2019-12-07 18:29:36,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 [2019-12-07 18:29:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:36,666 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 18:29:36,667 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:29:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:36,719 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:29:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:36,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809630287] [2019-12-07 18:29:36,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:36,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 18:29:36,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240078248] [2019-12-07 18:29:36,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 18:29:36,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:29:36,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:29:36,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:29:36,786 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 8 states. [2019-12-07 18:29:36,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:36,909 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2019-12-07 18:29:36,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:29:36,910 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 18:29:36,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:36,910 INFO L225 Difference]: With dead ends: 39 [2019-12-07 18:29:36,910 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 18:29:36,911 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:29:36,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 18:29:36,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 18:29:36,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 18:29:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-12-07 18:29:36,914 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2019-12-07 18:29:36,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:36,915 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-12-07 18:29:36,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 18:29:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-12-07 18:29:36,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:29:36,915 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:36,915 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:29:37,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:29:37,117 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:37,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2019-12-07 18:29:37,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:29:37,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660619544] [2019-12-07 18:29:37,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 [2019-12-07 18:29:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:37,247 INFO L264 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:29:37,248 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:29:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:37,285 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:29:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:37,688 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660619544] [2019-12-07 18:29:37,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:37,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 18:29:37,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441075776] [2019-12-07 18:29:37,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 18:29:37,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:29:37,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 18:29:37,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:29:37,690 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2019-12-07 18:29:37,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:37,831 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-12-07 18:29:37,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:29:37,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-12-07 18:29:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:37,835 INFO L225 Difference]: With dead ends: 33 [2019-12-07 18:29:37,835 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 18:29:37,836 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:29:37,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 18:29:37,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 18:29:37,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 18:29:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-12-07 18:29:37,839 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2019-12-07 18:29:37,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:37,839 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-12-07 18:29:37,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 18:29:37,840 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-12-07 18:29:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 18:29:37,840 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:37,840 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:29:38,041 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:29:38,042 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:38,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:38,043 INFO L82 PathProgramCache]: Analyzing trace with hash 879764433, now seen corresponding path program 1 times [2019-12-07 18:29:38,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:29:38,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267447185] [2019-12-07 18:29:38,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/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 [2019-12-07 18:29:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:38,168 INFO L264 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:29:38,169 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:29:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:38,198 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:29:38,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:29:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:38,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267447185] [2019-12-07 18:29:38,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:38,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 18:29:38,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641063219] [2019-12-07 18:29:38,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 18:29:38,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:29:38,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 18:29:38,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 18:29:38,240 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-12-07 18:29:38,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:38,340 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-12-07 18:29:38,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:29:38,340 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2019-12-07 18:29:38,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:38,341 INFO L225 Difference]: With dead ends: 24 [2019-12-07 18:29:38,341 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 18:29:38,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 18:29:38,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 18:29:38,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 18:29:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 18:29:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-12-07 18:29:38,345 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-12-07 18:29:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:38,346 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-12-07 18:29:38,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 18:29:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-12-07 18:29:38,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 18:29:38,347 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:38,347 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:29:38,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 18:29:38,548 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:38,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:38,549 INFO L82 PathProgramCache]: Analyzing trace with hash -733783834, now seen corresponding path program 1 times [2019-12-07 18:29:38,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:29:38,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131813516] [2019-12-07 18:29:38,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 18:29:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:38,690 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 18:29:38,692 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:29:38,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:29:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:38,756 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:29:38,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:29:38,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:29:38,939 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131813516] [2019-12-07 18:29:38,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:38,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-12-07 18:29:38,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404281169] [2019-12-07 18:29:38,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 18:29:38,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:29:38,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 18:29:38,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-12-07 18:29:38,941 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 16 states. [2019-12-07 18:29:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:39,194 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-12-07 18:29:39,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 18:29:39,195 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2019-12-07 18:29:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:39,195 INFO L225 Difference]: With dead ends: 21 [2019-12-07 18:29:39,195 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:29:39,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-12-07 18:29:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:29:39,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:29:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:29:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:29:39,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-12-07 18:29:39,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:39,197 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:29:39,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 18:29:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:29:39,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:29:39,398 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 18:29:39,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:29:39,705 INFO L246 CegarLoopResult]: For program point L23(lines 23 47) no Hoare annotation was computed. [2019-12-07 18:29:39,705 INFO L249 CegarLoopResult]: At program point L85(lines 68 86) the Hoare annotation is: true [2019-12-07 18:29:39,705 INFO L246 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2019-12-07 18:29:39,705 INFO L246 CegarLoopResult]: For program point L48(lines 48 52) no Hoare annotation was computed. [2019-12-07 18:29:39,705 INFO L246 CegarLoopResult]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2019-12-07 18:29:39,706 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2019-12-07 18:29:39,706 INFO L246 CegarLoopResult]: For program point L36(lines 36 40) no Hoare annotation was computed. [2019-12-07 18:29:39,706 INFO L242 CegarLoopResult]: At program point L65(lines 56 66) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 8 24))) (.cse0 (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)))) (and (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= .cse0 ULTIMATE.start___signbit_float_~x) |ULTIMATE.start_main_#t~short8| (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (= ULTIMATE.start_ceil_float_~x .cse1) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~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)) .cse0) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32))) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) .cse1) (= .cse0 ULTIMATE.start_main_~res~0))) [2019-12-07 18:29:39,706 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:29:39,706 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:29:39,706 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:29:39,706 INFO L246 CegarLoopResult]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-12-07 18:29:39,706 INFO L246 CegarLoopResult]: For program point L24(lines 24 41) no Hoare annotation was computed. [2019-12-07 18:29:39,706 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2019-12-07 18:29:39,707 INFO L242 CegarLoopResult]: At program point L53(lines 13 54) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)) |ULTIMATE.start_ceil_float_#res|) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (= ULTIMATE.start_ceil_float_~x .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2019-12-07 18:29:39,707 INFO L246 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-12-07 18:29:39,707 INFO L242 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= ULTIMATE.start_ceil_float_~x (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 18:29:39,707 INFO L246 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-12-07 18:29:39,707 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-12-07 18:29:39,707 INFO L246 CegarLoopResult]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2019-12-07 18:29:39,707 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:29:39,707 INFO L246 CegarLoopResult]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-12-07 18:29:39,707 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 18:29:39,708 INFO L246 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-12-07 18:29:39,708 INFO L246 CegarLoopResult]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2019-12-07 18:29:39,708 INFO L242 CegarLoopResult]: At program point L59-2(lines 59 63) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 8 24))) (.cse0 (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)))) (and (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= .cse0 ULTIMATE.start___signbit_float_~x) |ULTIMATE.start_main_#t~short8| (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (= ULTIMATE.start_ceil_float_~x .cse1) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) .cse1) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_main_~res~0))) [2019-12-07 18:29:39,708 INFO L246 CegarLoopResult]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2019-12-07 18:29:39,708 INFO L246 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2019-12-07 18:29:39,708 INFO L246 CegarLoopResult]: For program point L80-2(lines 80 83) no Hoare annotation was computed. [2019-12-07 18:29:39,708 INFO L246 CegarLoopResult]: For program point L43(lines 43 46) no Hoare annotation was computed. [2019-12-07 18:29:39,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:29:39 BoogieIcfgContainer [2019-12-07 18:29:39,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:29:39,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:29:39,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:29:39,732 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:29:39,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:36" (3/4) ... [2019-12-07 18:29:39,735 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:29:39,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 18:29:39,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 18:29:39,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:29:39,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 18:29:39,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == x) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == res [2019-12-07 18:29:39,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == x) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == res [2019-12-07 18:29:39,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_258c55fe-e131-435e-a152-908a3d83a69f/bin/uautomizer/witness.graphml [2019-12-07 18:29:39,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:29:39,781 INFO L168 Benchmark]: Toolchain (without parser) took 4343.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 952.4 MB in the beginning and 842.5 MB in the end (delta: 109.9 MB). Peak memory consumption was 221.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:39,782 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:29:39,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.23 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:39,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:39,783 INFO L168 Benchmark]: Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:29:39,783 INFO L168 Benchmark]: RCFGBuilder took 441.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:39,783 INFO L168 Benchmark]: TraceAbstraction took 3576.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 849.4 MB in the end (delta: 218.3 MB). Peak memory consumption was 218.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:39,783 INFO L168 Benchmark]: Witness Printer took 48.07 ms. Allocated memory is still 1.1 GB. Free memory was 849.4 MB in the beginning and 842.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:39,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.23 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 441.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3576.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 849.4 MB in the end (delta: 218.3 MB). Peak memory consumption was 218.3 MB. Max. memory is 11.5 GB. * Witness Printer took 48.07 ms. Allocated memory is still 1.1 GB. Free memory was 849.4 MB in the beginning and 842.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 18:29:39,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,791 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant [2019-12-07 18:29:39,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == x) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == res - InvariantResult [Line: 16]: Loop Invariant [2019-12-07 18:29:39,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 59]: Loop Invariant [2019-12-07 18:29:39,795 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,795 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,795 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,795 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-12-07 18:29:39,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:29:39,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:29:39,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == x) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == res - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 90 SDtfs, 216 SDslu, 78 SDs, 0 SdLazy, 112 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 215 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 39 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 134 ConstructedInterpolants, 8 QuantifiedInterpolants, 8650 SizeOfPredicates, 26 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...