./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.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/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 e244339627025cb250c22854e0eaa32467bc4188 ............................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 e244339627025cb250c22854e0eaa32467bc4188 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:22:53,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:22:53,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:22:53,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:22:53,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:22:53,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:22:53,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:22:53,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:22:53,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:22:53,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:22:53,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:22:53,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:22:53,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:22:53,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:22:53,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:22:53,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:22:53,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:22:53,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:22:53,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:22:53,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:22:53,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:22:53,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:22:53,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:22:53,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:22:53,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:22:53,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:22:53,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:22:53,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:22:53,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:22:53,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:22:53,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:22:53,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:22:54,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:22:54,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:22:54,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:22:54,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:22:54,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:22:54,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:22:54,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:22:54,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:22:54,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:22:54,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:22:54,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:22:54,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:22:54,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:22:54,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:22:54,050 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:22:54,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:22:54,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:22:54,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:22:54,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:22:54,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:22:54,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:22:54,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:22:54,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:22:54,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:22:54,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:22:54,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:22:54,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:22:54,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:22:54,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:22:54,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:22:54,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:22:54,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:22:54,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:22:54,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:22:54,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:22:54,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:22:54,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:22:54,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:22:54,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-11-15 20:22:54,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:22:54,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:22:54,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:22:54,121 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:22:54,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:22:54,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-15 20:22:54,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data/f1c8d78ab/38fb86a5c51f493c8d625d2c623550b7/FLAG6b067c587 [2019-11-15 20:22:54,671 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:22:54,672 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-15 20:22:54,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data/f1c8d78ab/38fb86a5c51f493c8d625d2c623550b7/FLAG6b067c587 [2019-11-15 20:22:55,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data/f1c8d78ab/38fb86a5c51f493c8d625d2c623550b7 [2019-11-15 20:22:55,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:22:55,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:22:55,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:22:55,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:22:55,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:22:55,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b74e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55, skipping insertion in model container [2019-11-15 20:22:55,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:22:55,127 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:22:55,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:22:55,393 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:22:55,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:22:55,469 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:22:55,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55 WrapperNode [2019-11-15 20:22:55,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:22:55,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:22:55,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:22:55,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:22:55,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:22:55,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:22:55,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:22:55,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:22:55,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... [2019-11-15 20:22:55,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:22:55,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:22:55,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:22:55,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:22:55,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 [2019-11-15 20:22:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:22:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 20:22:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:22:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 20:22:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:22:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:22:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:22:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:22:56,356 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:22:56,356 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-15 20:22:56,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:22:56 BoogieIcfgContainer [2019-11-15 20:22:56,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:22:56,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:22:56,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:22:56,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:22:56,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:22:55" (1/3) ... [2019-11-15 20:22:56,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4f53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:22:56, skipping insertion in model container [2019-11-15 20:22:56,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:22:55" (2/3) ... [2019-11-15 20:22:56,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4f53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:22:56, skipping insertion in model container [2019-11-15 20:22:56,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:22:56" (3/3) ... [2019-11-15 20:22:56,371 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2019-11-15 20:22:56,379 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:22:56,386 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:22:56,394 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:22:56,428 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:22:56,428 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:22:56,428 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:22:56,429 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:22:56,429 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:22:56,429 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:22:56,429 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:22:56,429 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:22:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-15 20:22:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 20:22:56,454 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:22:56,455 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:22:56,457 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:22:56,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:22:56,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-15 20:22:56,472 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:22:56,472 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075304410] [2019-11-15 20:22:56,473 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:22:56,473 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:22:56,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:22:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:22:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:22:56,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075304410] [2019-11-15 20:22:56,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:22:56,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 20:22:56,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040302406] [2019-11-15 20:22:56,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:22:56,605 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:22:56,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:22:56,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:22:56,623 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-15 20:22:56,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:22:56,647 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-15 20:22:56,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:22:56,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 20:22:56,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:22:56,661 INFO L225 Difference]: With dead ends: 118 [2019-11-15 20:22:56,661 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 20:22:56,665 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 [2019-11-15 20:22:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 20:22:56,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 20:22:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 20:22:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-15 20:22:56,706 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-15 20:22:56,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:22:56,707 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-15 20:22:56,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:22:56,707 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-15 20:22:56,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 20:22:56,708 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:22:56,708 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:22:56,709 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:22:56,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:22:56,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-15 20:22:56,710 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:22:56,710 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095998581] [2019-11-15 20:22:56,710 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:22:56,710 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:22:56,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:22:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:22:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:22:56,807 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:22:56,807 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:22:56,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:22:56 BoogieIcfgContainer [2019-11-15 20:22:56,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:22:56,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:22:56,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:22:56,844 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:22:56,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:22:56" (3/4) ... [2019-11-15 20:22:56,849 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:22:56,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:22:56,851 INFO L168 Benchmark]: Toolchain (without parser) took 1778.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -89.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:22:56,851 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-15 20:22:56,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:22:56,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:22:56,854 INFO L168 Benchmark]: Boogie Preprocessor took 49.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:22:56,855 INFO L168 Benchmark]: RCFGBuilder took 777.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:22:56,856 INFO L168 Benchmark]: TraceAbstraction took 484.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:22:56,856 INFO L168 Benchmark]: Witness Printer took 4.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:22:56,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 397.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 777.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 484.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.87 ms. Allocated memory is still 1.1 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: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 20:22:59,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:22:59,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:22:59,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:22:59,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:22:59,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:22:59,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:22:59,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:22:59,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:22:59,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:22:59,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:22:59,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:22:59,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:22:59,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:22:59,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:22:59,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:22:59,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:22:59,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:22:59,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:22:59,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:22:59,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:22:59,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:22:59,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:22:59,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:22:59,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:22:59,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:22:59,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:22:59,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:22:59,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:22:59,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:22:59,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:22:59,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:22:59,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:22:59,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:22:59,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:22:59,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:22:59,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:22:59,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:22:59,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:22:59,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:22:59,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:22:59,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 20:22:59,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:22:59,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:22:59,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:22:59,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:22:59,394 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:22:59,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:22:59,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:22:59,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:22:59,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:22:59,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:22:59,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:22:59,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:22:59,396 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:22:59,396 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:22:59,396 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:22:59,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:22:59,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:22:59,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:22:59,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:22:59,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:22:59,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:22:59,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:22:59,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:22:59,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:22:59,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:22:59,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:22:59,399 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:22:59,399 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:22:59,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:22:59,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:22:59,400 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-11-15 20:22:59,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:22:59,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:22:59,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:22:59,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:22:59,463 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:22:59,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-15 20:22:59,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data/38ccbc226/3f47c9e03ce64fe1843a1f9a613b761e/FLAGa91663066 [2019-11-15 20:23:00,007 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:23:00,008 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-15 20:23:00,019 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data/38ccbc226/3f47c9e03ce64fe1843a1f9a613b761e/FLAGa91663066 [2019-11-15 20:23:00,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/data/38ccbc226/3f47c9e03ce64fe1843a1f9a613b761e [2019-11-15 20:23:00,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:23:00,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:23:00,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:23:00,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:23:00,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:23:00,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b157855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00, skipping insertion in model container [2019-11-15 20:23:00,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,406 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:23:00,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:23:00,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:23:00,699 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:23:00,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:23:00,870 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:23:00,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00 WrapperNode [2019-11-15 20:23:00,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:23:00,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:23:00,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:23:00,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:23:00,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:23:00,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:23:00,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:23:00,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:23:00,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... [2019-11-15 20:23:00,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:23:00,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:23:00,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:23:00,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:23:01,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 [2019-11-15 20:23:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 20:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 20:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:23:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 20:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 20:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:23:11,984 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:23:11,984 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-15 20:23:11,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:23:11 BoogieIcfgContainer [2019-11-15 20:23:11,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:23:11,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:23:11,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:23:11,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:23:11,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:23:00" (1/3) ... [2019-11-15 20:23:11,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e6b78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:23:11, skipping insertion in model container [2019-11-15 20:23:11,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:23:00" (2/3) ... [2019-11-15 20:23:11,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e6b78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:23:11, skipping insertion in model container [2019-11-15 20:23:11,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:23:11" (3/3) ... [2019-11-15 20:23:11,994 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2019-11-15 20:23:12,005 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:23:12,013 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:23:12,024 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:23:12,046 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:23:12,046 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:23:12,047 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:23:12,047 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:23:12,047 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:23:12,048 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:23:12,048 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:23:12,048 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:23:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-15 20:23:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 20:23:12,071 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:12,072 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:23:12,073 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:23:12,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:12,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-15 20:23:12,087 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:23:12,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065331969] [2019-11-15 20:23:12,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 [2019-11-15 20:23:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:12,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 20:23:12,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:23:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:12,418 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:23:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:12,422 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065331969] [2019-11-15 20:23:12,423 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:12,424 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 20:23:12,424 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546417798] [2019-11-15 20:23:12,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:23:12,429 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:23:12,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:23:12,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:23:12,444 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-15 20:23:12,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:12,470 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-15 20:23:12,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:23:12,472 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 20:23:12,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:12,484 INFO L225 Difference]: With dead ends: 118 [2019-11-15 20:23:12,485 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 20:23:12,488 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:23:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 20:23:12,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 20:23:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 20:23:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-15 20:23:12,534 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-15 20:23:12,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:12,535 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-15 20:23:12,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:23:12,535 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-15 20:23:12,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 20:23:12,536 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:12,536 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:23:12,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 20:23:12,737 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:23:12,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:12,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-15 20:23:12,738 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:23:12,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168433134] [2019-11-15 20:23:12,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 [2019-11-15 20:23:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:12,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 20:23:12,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:23:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:13,051 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:23:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:13,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168433134] [2019-11-15 20:23:13,146 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:13,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 20:23:13,146 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958781791] [2019-11-15 20:23:13,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:23:13,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:23:13,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:23:13,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:23:13,149 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2019-11-15 20:23:14,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:14,407 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-11-15 20:23:14,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:23:14,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-15 20:23:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:14,412 INFO L225 Difference]: With dead ends: 104 [2019-11-15 20:23:14,412 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 20:23:14,414 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:23:14,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 20:23:14,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 20:23:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 20:23:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-11-15 20:23:14,422 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-11-15 20:23:14,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:14,423 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-11-15 20:23:14,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:23:14,423 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-11-15 20:23:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 20:23:14,424 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:14,425 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:23:14,642 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 20:23:14,645 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:23:14,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:14,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-11-15 20:23:14,646 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:23:14,646 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812457052] [2019-11-15 20:23:14,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 [2019-11-15 20:23:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:14,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 20:23:14,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:23:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:14,847 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:23:14,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:23:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:14,891 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812457052] [2019-11-15 20:23:14,891 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:14,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-15 20:23:14,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600161538] [2019-11-15 20:23:14,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 20:23:14,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:23:14,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 20:23:14,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:23:14,893 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2019-11-15 20:23:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:15,070 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-11-15 20:23:15,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:23:15,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-15 20:23:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:15,073 INFO L225 Difference]: With dead ends: 69 [2019-11-15 20:23:15,073 INFO L226 Difference]: Without dead ends: 66 [2019-11-15 20:23:15,073 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:23:15,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-15 20:23:15,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-11-15 20:23:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-15 20:23:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-11-15 20:23:15,087 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-11-15 20:23:15,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:15,088 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-11-15 20:23:15,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 20:23:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-11-15 20:23:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-15 20:23:15,089 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:15,089 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:23:15,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 20:23:15,293 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:23:15,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:15,293 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-11-15 20:23:15,294 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:23:15,295 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721021322] [2019-11-15 20:23:15,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/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 [2019-11-15 20:23:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:15,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 20:23:15,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:23:15,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:23:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:15,591 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:23:15,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:23:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:15,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721021322] [2019-11-15 20:23:15,903 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:15,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-11-15 20:23:15,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303306566] [2019-11-15 20:23:15,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 20:23:15,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:23:15,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 20:23:15,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:23:15,906 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2019-11-15 20:23:16,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:16,434 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-11-15 20:23:16,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 20:23:16,437 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-15 20:23:16,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:16,438 INFO L225 Difference]: With dead ends: 66 [2019-11-15 20:23:16,438 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 20:23:16,439 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2019-11-15 20:23:16,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 20:23:16,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 20:23:16,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 20:23:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-11-15 20:23:16,448 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-11-15 20:23:16,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:16,448 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-11-15 20:23:16,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 20:23:16,449 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-11-15 20:23:16,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 20:23:16,450 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:23:16,450 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:23:16,656 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 20:23:16,657 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:23:16,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:23:16,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-11-15 20:23:16,658 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:23:16,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624886018] [2019-11-15 20:23:16,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-15 20:23:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:23:18,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 20:23:18,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:23:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:18,621 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:23:18,976 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-15 20:23:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:23:19,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624886018] [2019-11-15 20:23:19,098 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:23:19,099 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-15 20:23:19,099 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762665328] [2019-11-15 20:23:19,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 20:23:19,100 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:23:19,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 20:23:19,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:23:19,101 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2019-11-15 20:23:19,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:23:19,198 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-11-15 20:23:19,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:23:19,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 20:23:19,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:23:19,201 INFO L225 Difference]: With dead ends: 57 [2019-11-15 20:23:19,201 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 20:23:19,202 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:23:19,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 20:23:19,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 20:23:19,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 20:23:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:23:19,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-15 20:23:19,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:23:19,203 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:23:19,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 20:23:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:23:19,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 20:23:19,404 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-15 20:23:19,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 20:23:19,641 INFO L443 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-15 20:23:19,641 INFO L439 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-15 20:23:19,641 INFO L443 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-11-15 20:23:19,641 INFO L443 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-11-15 20:23:19,642 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-11-15 20:23:19,642 INFO L443 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-11-15 20:23:19,642 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 20:23:19,642 INFO L446 ceAbstractionStarter]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-11-15 20:23:19,642 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-11-15 20:23:19,643 INFO L439 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0) (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24))) [2019-11-15 20:23:19,643 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-15 20:23:19,643 INFO L443 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-11-15 20:23:19,643 INFO L439 ceAbstractionStarter]: At program point L21(lines 12 22) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-15 20:23:19,644 INFO L443 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-11-15 20:23:19,644 INFO L439 ceAbstractionStarter]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-11-15 20:23:19,644 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-15 20:23:19,644 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-11-15 20:23:19,644 INFO L439 ceAbstractionStarter]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-11-15 20:23:19,644 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-11-15 20:23:19,645 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-11-15 20:23:19,645 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 20:23:19,645 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-11-15 20:23:19,645 INFO L443 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-11-15 20:23:19,645 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-15 20:23:19,645 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-11-15 20:23:19,645 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-11-15 20:23:19,646 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-11-15 20:23:19,646 INFO L443 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-11-15 20:23:19,646 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 20:23:19,646 INFO L439 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-11-15 20:23:19,646 INFO L439 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-11-15 20:23:19,646 INFO L443 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-11-15 20:23:19,646 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-11-15 20:23:19,646 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-11-15 20:23:19,646 INFO L443 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-11-15 20:23:19,647 INFO L443 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-11-15 20:23:19,647 INFO L439 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-11-15 20:23:19,647 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-15 20:23:19,647 INFO L443 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-11-15 20:23:19,647 INFO L443 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-11-15 20:23:19,647 INFO L439 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-11-15 20:23:19,647 INFO L443 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-11-15 20:23:19,647 INFO L443 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-15 20:23:19,648 INFO L443 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-11-15 20:23:19,648 INFO L439 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-15 20:23:19,652 INFO L439 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-15 20:23:19,652 INFO L443 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-15 20:23:19,653 INFO L443 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-11-15 20:23:19,653 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-11-15 20:23:19,653 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-11-15 20:23:19,653 INFO L443 ceAbstractionStarter]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-11-15 20:23:19,654 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-11-15 20:23:19,654 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 20:23:19,654 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-15 20:23:19,654 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-11-15 20:23:19,654 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-11-15 20:23:19,654 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-11-15 20:23:19,655 INFO L443 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-11-15 20:23:19,655 INFO L439 ceAbstractionStarter]: At program point L182(lines 117 183) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-15 20:23:19,655 INFO L443 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-11-15 20:23:19,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,675 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,679 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:23:19 BoogieIcfgContainer [2019-11-15 20:23:19,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:23:19,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:23:19,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:23:19,686 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:23:19,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:23:11" (3/4) ... [2019-11-15 20:23:19,690 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 20:23:19,705 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-15 20:23:19,706 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-15 20:23:19,746 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() [2019-11-15 20:23:19,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() [2019-11-15 20:23:19,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() [2019-11-15 20:23:19,794 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e6ad9ef1-de14-4291-a005-b6518984fe84/bin/uautomizer/witness.graphml [2019-11-15 20:23:19,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:23:19,796 INFO L168 Benchmark]: Toolchain (without parser) took 19408.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 952.3 MB in the beginning and 880.7 MB in the end (delta: 71.7 MB). Peak memory consumption was 230.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:19,797 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-15 20:23:19,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:19,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.99 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:19,798 INFO L168 Benchmark]: Boogie Preprocessor took 56.21 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:19,799 INFO L168 Benchmark]: RCFGBuilder took 10987.18 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:19,799 INFO L168 Benchmark]: TraceAbstraction took 7698.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.2 MB in the end (delta: 214.0 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:19,800 INFO L168 Benchmark]: Witness Printer took 109.42 ms. Allocated memory is still 1.2 GB. Free memory was 887.2 MB in the beginning and 880.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:23:19,802 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 482.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.99 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.21 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10987.18 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7698.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.2 MB in the end (delta: 214.0 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. * Witness Printer took 109.42 ms. Allocated memory is still 1.2 GB. Free memory was 887.2 MB in the beginning and 880.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-11-15 20:23:19,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 117]: Loop Invariant [2019-11-15 20:23:19,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 120]: Loop Invariant [2019-11-15 20:23:19,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:23:19,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin && one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-11-15 20:23:19,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:23:19,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 7.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 267 SDtfs, 518 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 149 HoareAnnotationTreeSize, 13 FomulaSimplifications, 76 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 14425 SizeOfPredicates, 27 NumberOfNonLiveVariables, 308 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...