./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/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 963536477b49c0268678cb8326bb32feb993b05a .................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/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 963536477b49c0268678cb8326bb32feb993b05a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:17,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:17,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:17,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:17,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:17,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:17,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:17,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:17,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:17,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:17,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:17,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:17,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:17,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:17,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:17,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:17,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:17,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:17,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:17,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:17,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:17,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:17,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:17,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:17,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:17,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:17,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:17,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:17,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:17,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:17,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:17,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:17,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:17,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:17,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:17,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:17,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:17,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:17,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:17,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:17,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:17,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:17,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:17,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:17,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:17,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:17,921 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:17,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:17,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:17,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:17,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:17,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:17,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:17,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:17,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:17,923 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:17,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:17,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:17,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:17,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:17,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:17,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:17,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:17,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:17,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:17,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:17,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:17,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:17,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:17,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:17,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/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 -> 963536477b49c0268678cb8326bb32feb993b05a [2019-10-22 08:56:17,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:17,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:17,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:17,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:17,973 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:17,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c [2019-10-22 08:56:18,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data/de5f96e69/8e35fab5288942dab157c8d1b4a1c1a7/FLAGd0d0d571d [2019-10-22 08:56:18,431 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:18,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c [2019-10-22 08:56:18,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data/de5f96e69/8e35fab5288942dab157c8d1b4a1c1a7/FLAGd0d0d571d [2019-10-22 08:56:18,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data/de5f96e69/8e35fab5288942dab157c8d1b4a1c1a7 [2019-10-22 08:56:18,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:18,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:18,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:18,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:18,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:18,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb49b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18, skipping insertion in model container [2019-10-22 08:56:18,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,472 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:18,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:18,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:18,759 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:18,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:18,822 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:18,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18 WrapperNode [2019-10-22 08:56:18,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:18,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:18,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:18,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:18,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:18,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:18,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:18,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:18,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:18,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:18,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:18,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:18,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:56:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:56:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:56:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:56:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:19,427 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:19,428 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-10-22 08:56:19,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:19 BoogieIcfgContainer [2019-10-22 08:56:19,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:19,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:19,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:19,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:19,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:18" (1/3) ... [2019-10-22 08:56:19,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28aa372c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:19, skipping insertion in model container [2019-10-22 08:56:19,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (2/3) ... [2019-10-22 08:56:19,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28aa372c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:19, skipping insertion in model container [2019-10-22 08:56:19,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:19" (3/3) ... [2019-10-22 08:56:19,437 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c [2019-10-22 08:56:19,446 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:19,454 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:56:19,462 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:56:19,482 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:19,483 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:19,483 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:19,483 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:19,483 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:19,483 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:19,483 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:19,483 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-10-22 08:56:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:56:19,504 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:19,505 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:19,506 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:19,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:19,510 INFO L82 PathProgramCache]: Analyzing trace with hash 629078660, now seen corresponding path program 1 times [2019-10-22 08:56:19,517 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:19,518 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380916000] [2019-10-22 08:56:19,518 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:19,518 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:19,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:19,637 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380916000] [2019-10-22 08:56:19,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:19,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:19,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18049255] [2019-10-22 08:56:19,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:19,642 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:19,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:19,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:19,653 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-10-22 08:56:19,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:19,674 INFO L93 Difference]: Finished difference Result 99 states and 160 transitions. [2019-10-22 08:56:19,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:19,675 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 08:56:19,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:19,691 INFO L225 Difference]: With dead ends: 99 [2019-10-22 08:56:19,691 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 08:56:19,695 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:19,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 08:56:19,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 08:56:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 08:56:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2019-10-22 08:56:19,727 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11 [2019-10-22 08:56:19,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:19,728 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2019-10-22 08:56:19,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-10-22 08:56:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 08:56:19,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:19,729 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:19,729 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:19,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:19,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1648732847, now seen corresponding path program 1 times [2019-10-22 08:56:19,730 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:19,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918353650] [2019-10-22 08:56:19,730 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:19,730 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:19,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:19,780 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918353650] [2019-10-22 08:56:19,781 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:19,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:19,781 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345436277] [2019-10-22 08:56:19,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:19,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:19,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:19,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:19,783 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand 3 states. [2019-10-22 08:56:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:19,799 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions. [2019-10-22 08:56:19,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:19,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-22 08:56:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:19,800 INFO L225 Difference]: With dead ends: 87 [2019-10-22 08:56:19,801 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 08:56:19,801 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 08:56:19,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 08:56:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 08:56:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2019-10-22 08:56:19,808 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12 [2019-10-22 08:56:19,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:19,808 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-10-22 08:56:19,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2019-10-22 08:56:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:56:19,809 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:19,809 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:19,809 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:19,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:19,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1229314972, now seen corresponding path program 1 times [2019-10-22 08:56:19,810 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:19,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837659159] [2019-10-22 08:56:19,810 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:19,810 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:19,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:19,928 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:19,928 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:56:19,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:19 BoogieIcfgContainer [2019-10-22 08:56:19,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:19,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:19,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:19,971 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:19,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:19" (3/4) ... [2019-10-22 08:56:19,975 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:19,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:19,977 INFO L168 Benchmark]: Toolchain (without parser) took 1517.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.3 MB in the beginning and 1.0 GB in the end (delta: -105.5 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:19,977 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:19,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:19,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:19,979 INFO L168 Benchmark]: Boogie Preprocessor took 34.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:19,980 INFO L168 Benchmark]: RCFGBuilder took 528.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:19,980 INFO L168 Benchmark]: TraceAbstraction took 540.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:19,981 INFO L168 Benchmark]: Witness Printer took 4.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:19,984 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 528.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 540.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 174]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of bitwiseAnd at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 117. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L166] float x = __VERIFIER_nondet_float(); [L168] x < 0 && isfinite_float(x) [L149] __int32_t ix; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L151] ieee_float_shape_type gf_u; [L152] gf_u.value = (x) [L153] EXPR gf_u.word [L153] (ix) = gf_u.word [L155] ix &= 0x7fffffff [L156] return (((ix) < 0x7f800000L)); VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L168] x < 0 && isfinite_float(x) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L168] COND TRUE x < 0 && isfinite_float(x) [L106] float y, z; [L107] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L170] float res = __ieee754_log10f(x); [L145] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L173] COND TRUE !isnan_float(res) [L174] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 129 SDtfs, 0 SDslu, 57 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:22,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:22,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:22,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:22,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:22,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:22,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:22,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:22,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:22,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:22,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:22,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:22,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:22,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:22,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:22,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:22,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:22,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:22,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:22,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:22,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:22,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:22,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:22,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:22,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:22,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:22,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:22,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:22,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:22,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:22,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:22,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:22,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:22,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:22,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:22,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:22,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:22,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:22,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:22,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:22,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:22,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:56:22,240 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:22,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:22,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:22,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:22,252 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:22,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:22,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:22,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:22,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:22,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:22,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:22,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:22,253 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:56:22,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:56:22,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:22,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:22,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:22,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:22,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:22,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:22,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:22,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:22,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:22,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:22,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:22,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:22,254 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:56:22,255 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:56:22,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:22,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:56:22,255 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/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 -> 963536477b49c0268678cb8326bb32feb993b05a [2019-10-22 08:56:22,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:22,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:22,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:22,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:22,304 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:22,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c [2019-10-22 08:56:22,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data/6c3919183/0d7e159d7fd9405ebc54173fbc1b71c6/FLAG1fda3fd86 [2019-10-22 08:56:22,733 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:22,734 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c [2019-10-22 08:56:22,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data/6c3919183/0d7e159d7fd9405ebc54173fbc1b71c6/FLAG1fda3fd86 [2019-10-22 08:56:23,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/data/6c3919183/0d7e159d7fd9405ebc54173fbc1b71c6 [2019-10-22 08:56:23,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:23,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:23,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:23,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:23,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:23,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e84e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23, skipping insertion in model container [2019-10-22 08:56:23,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,128 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:23,159 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:23,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:23,425 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:23,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:23,580 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:23,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23 WrapperNode [2019-10-22 08:56:23,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:23,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:23,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:23,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:23,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:23,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:23,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:23,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:23,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... [2019-10-22 08:56:23,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:23,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:23,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:23,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:23,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 08:56:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:56:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 08:56:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:56:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:38,729 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:38,729 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-10-22 08:56:38,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:38 BoogieIcfgContainer [2019-10-22 08:56:38,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:38,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:38,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:38,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:38,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:23" (1/3) ... [2019-10-22 08:56:38,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de385f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:38, skipping insertion in model container [2019-10-22 08:56:38,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:23" (2/3) ... [2019-10-22 08:56:38,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de385f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:38, skipping insertion in model container [2019-10-22 08:56:38,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:38" (3/3) ... [2019-10-22 08:56:38,737 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c [2019-10-22 08:56:38,746 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:38,754 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:56:38,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:56:38,787 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:38,787 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:38,787 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:38,787 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:38,787 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:38,787 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:38,788 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:38,788 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-10-22 08:56:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:56:38,804 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:38,805 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:38,807 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:38,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:38,812 INFO L82 PathProgramCache]: Analyzing trace with hash 629078660, now seen corresponding path program 1 times [2019-10-22 08:56:38,820 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:56:38,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637151719] [2019-10-22 08:56:38,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-10-22 08:56:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:39,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 08:56:39,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,096 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:56:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,101 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637151719] [2019-10-22 08:56:39,102 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:39,102 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 08:56:39,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768959305] [2019-10-22 08:56:39,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:39,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:56:39,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:39,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:39,120 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-10-22 08:56:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:39,142 INFO L93 Difference]: Finished difference Result 99 states and 160 transitions. [2019-10-22 08:56:39,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:39,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 08:56:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:39,155 INFO L225 Difference]: With dead ends: 99 [2019-10-22 08:56:39,155 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 08:56:39,159 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:39,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 08:56:39,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 08:56:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 08:56:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2019-10-22 08:56:39,198 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11 [2019-10-22 08:56:39,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:39,198 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2019-10-22 08:56:39,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-10-22 08:56:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 08:56:39,199 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:39,199 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:39,413 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:56:39,413 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:39,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:39,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1648732847, now seen corresponding path program 1 times [2019-10-22 08:56:39,414 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:56:39,414 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220704112] [2019-10-22 08:56:39,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-10-22 08:56:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:39,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:56:39,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,723 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:56:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220704112] [2019-10-22 08:56:39,726 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:39,726 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 08:56:39,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110147880] [2019-10-22 08:56:39,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:39,728 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:56:39,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:39,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:39,729 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand 3 states. [2019-10-22 08:56:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:39,755 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions. [2019-10-22 08:56:39,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:39,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-22 08:56:39,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:39,757 INFO L225 Difference]: With dead ends: 87 [2019-10-22 08:56:39,757 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 08:56:39,758 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:39,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 08:56:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 08:56:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 08:56:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2019-10-22 08:56:39,764 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12 [2019-10-22 08:56:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:39,764 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-10-22 08:56:39,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2019-10-22 08:56:39,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:56:39,765 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:39,765 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:39,966 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 08:56:39,966 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:39,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:39,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1229314972, now seen corresponding path program 1 times [2019-10-22 08:56:39,967 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:56:39,967 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738013051] [2019-10-22 08:56:39,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-10-22 08:56:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:40,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 08:56:40,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:40,324 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:56:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:40,485 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738013051] [2019-10-22 08:56:40,485 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:40,486 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-10-22 08:56:40,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167353840] [2019-10-22 08:56:40,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:56:40,487 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:56:40,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:56:40,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:56:40,489 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand 10 states. [2019-10-22 08:56:42,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:42,755 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2019-10-22 08:56:43,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:56:43,377 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2019-10-22 08:56:43,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:43,378 INFO L225 Difference]: With dead ends: 52 [2019-10-22 08:56:43,378 INFO L226 Difference]: Without dead ends: 18 [2019-10-22 08:56:43,379 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:56:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-10-22 08:56:43,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-10-22 08:56:43,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-22 08:56:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-10-22 08:56:43,382 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2019-10-22 08:56:43,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:43,383 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-10-22 08:56:43,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:56:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-10-22 08:56:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:56:43,384 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:43,384 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:43,584 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 08:56:43,585 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:43,585 INFO L82 PathProgramCache]: Analyzing trace with hash -616191433, now seen corresponding path program 1 times [2019-10-22 08:56:43,585 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:56:43,586 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940514750] [2019-10-22 08:56:43,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-10-22 08:56:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:43,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 08:56:43,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:43,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:56:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:44,046 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:56:46,481 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-10-22 08:56:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:46,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940514750] [2019-10-22 08:56:46,493 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:46,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-10-22 08:56:46,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060587180] [2019-10-22 08:56:46,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:56:46,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:56:46,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:56:46,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:56:46,495 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 10 states. [2019-10-22 08:56:47,111 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2019-10-22 08:56:47,343 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-10-22 08:56:47,554 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-10-22 08:56:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:47,555 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-10-22 08:56:47,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:56:47,556 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-10-22 08:56:47,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:47,556 INFO L225 Difference]: With dead ends: 18 [2019-10-22 08:56:47,556 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:47,557 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:56:47,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:47,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:47,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-10-22 08:56:47,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:47,558 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:47,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:56:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:47,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:47,759 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 08:56:47,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:48,012 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-10-22 08:56:48,012 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-10-22 08:56:48,012 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-10-22 08:56:48,013 INFO L443 ceAbstractionStarter]: For program point L168-2(lines 168 177) no Hoare annotation was computed. [2019-10-22 08:56:48,013 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2019-10-22 08:56:48,013 INFO L439 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2019-10-22 08:56:48,013 INFO L443 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2019-10-22 08:56:48,013 INFO L443 ceAbstractionStarter]: For program point L168-4(lines 168 177) no Hoare annotation was computed. [2019-10-22 08:56:48,013 INFO L439 ceAbstractionStarter]: At program point L94(lines 20 96) the Hoare annotation is: false [2019-10-22 08:56:48,013 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:56:48,013 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:56:48,014 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2019-10-22 08:56:48,014 INFO L443 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2019-10-22 08:56:48,014 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-10-22 08:56:48,014 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start___ieee754_log10f_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))))) [2019-10-22 08:56:48,014 INFO L446 ceAbstractionStarter]: At program point L179(lines 159 180) the Hoare annotation is: true [2019-10-22 08:56:48,014 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2019-10-22 08:56:48,014 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-10-22 08:56:48,014 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2019-10-22 08:56:48,015 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2019-10-22 08:56:48,015 INFO L443 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2019-10-22 08:56:48,015 INFO L439 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: false [2019-10-22 08:56:48,015 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:56:48,015 INFO L439 ceAbstractionStarter]: At program point L156(lines 148 157) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) [2019-10-22 08:56:48,015 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2019-10-22 08:56:48,015 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2019-10-22 08:56:48,015 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2019-10-22 08:56:48,015 INFO L439 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2019-10-22 08:56:48,015 INFO L443 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2019-10-22 08:56:48,016 INFO L443 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2019-10-22 08:56:48,016 INFO L439 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2019-10-22 08:56:48,016 INFO L443 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2019-10-22 08:56:48,016 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 176) no Hoare annotation was computed. [2019-10-22 08:56:48,016 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2019-10-22 08:56:48,016 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2019-10-22 08:56:48,016 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:56:48,017 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2019-10-22 08:56:48,017 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2019-10-22 08:56:48,017 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-10-22 08:56:48,017 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2019-10-22 08:56:48,017 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-10-22 08:56:48,017 INFO L439 ceAbstractionStarter]: At program point L141(lines 105 142) the Hoare annotation is: (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (exists ((ULTIMATE.start___ieee754_log10f_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))))) [2019-10-22 08:56:48,017 INFO L443 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2019-10-22 08:56:48,017 INFO L439 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: false [2019-10-22 08:56:48,017 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 150 154) no Hoare annotation was computed. [2019-10-22 08:56:48,018 INFO L439 ceAbstractionStarter]: At program point L150-2(lines 150 154) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) [2019-10-22 08:56:48,018 INFO L443 ceAbstractionStarter]: For program point L150-3(lines 150 154) no Hoare annotation was computed. [2019-10-22 08:56:48,018 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2019-10-22 08:56:48,018 INFO L439 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (fp.lt ULTIMATE.start___ieee754_log10f_~x .cse0) (fp.lt ULTIMATE.start_main_~x~0 .cse0))) [2019-10-22 08:56:48,018 INFO L443 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2019-10-22 08:56:48,018 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-10-22 08:56:48,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,036 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,036 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:48 BoogieIcfgContainer [2019-10-22 08:56:48,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:48,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:48,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:48,054 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:48,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:38" (3/4) ... [2019-10-22 08:56:48,058 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:48,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:56:48,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:56:48,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_log10f_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x, ULTIMATE.start___ieee754_log10f_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) [2019-10-22 08:56:48,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_log10f_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x, ULTIMATE.start___ieee754_log10f_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) [2019-10-22 08:56:48,143 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bc593110-6f34-4d1e-8013-71f74833d962/bin/uautomizer/witness.graphml [2019-10-22 08:56:48,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:48,147 INFO L168 Benchmark]: Toolchain (without parser) took 25037.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 951.0 MB in the beginning and 959.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 159.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,148 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:48,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -207.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:48,149 INFO L168 Benchmark]: Boogie Preprocessor took 46.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,149 INFO L168 Benchmark]: RCFGBuilder took 15046.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,149 INFO L168 Benchmark]: TraceAbstraction took 9322.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.3 MB in the end (delta: 151.0 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,150 INFO L168 Benchmark]: Witness Printer took 92.96 ms. Allocated memory is still 1.2 GB. Free memory was 966.3 MB in the beginning and 959.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:48,151 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 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 468.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -207.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15046.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9322.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.3 MB in the end (delta: 151.0 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. * Witness Printer took 92.96 ms. Allocated memory is still 1.2 GB. Free memory was 966.3 MB in the beginning and 959.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~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 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 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___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,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 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 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___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant [2019-10-22 08:56:48,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant [2019-10-22 08:56:48,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_log10f_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x, ULTIMATE.start___ieee754_log10f_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 148]: Loop Invariant [2019-10-22 08:56:48,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (aux-x < 0 && isfinite_float(x)-aux && zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 105]: Loop Invariant [2019-10-22 08:56:48,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-10-22 08:56:48,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_log10f_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x, ULTIMATE.start___ieee754_log10f_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant [2019-10-22 08:56:48,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:56:48,168 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (aux-x < 0 && isfinite_float(x)-aux && zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 153 SDtfs, 34 SDslu, 150 SDs, 0 SdLazy, 28 SolverSat, 2 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 18 NumberOfFragments, 86 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 20 QuantifiedInterpolants, 8755 SizeOfPredicates, 14 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...