./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 ................................................................................................................................................................................................................................................................................... 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_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:07:04,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:07:04,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:07:04,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:07:04,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:07:04,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:07:04,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:07:04,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:07:04,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:07:04,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:07:04,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:07:04,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:07:04,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:07:04,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:07:04,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:07:04,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:07:04,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:07:04,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:07:04,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:07:04,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:07:04,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:07:04,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:07:04,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:07:04,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:07:04,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:07:04,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:07:04,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:07:04,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:07:04,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:07:04,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:07:04,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:07:04,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:07:04,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:07:04,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:07:04,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:07:04,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:07:04,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:07:04,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:07:04,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:07:04,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:07:04,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:07:04,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:07:04,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:07:04,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:07:04,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:07:04,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:07:04,099 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:07:04,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:07:04,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:07:04,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:07:04,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:07:04,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:07:04,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:07:04,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:07:04,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:07:04,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:07:04,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:07:04,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:07:04,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:07:04,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:07:04,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:07:04,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:07:04,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:07:04,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:07:04,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:07:04,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:07:04,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:07:04,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:07:04,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:07:04,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:07:04,105 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_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2019-11-20 05:07:04,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:07:04,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:07:04,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:07:04,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:07:04,278 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:07:04,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-11-20 05:07:04,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data/7cf26c889/6cd6ef672c664d7e9d454a2bb073fb56/FLAG19c7d38f2 [2019-11-20 05:07:04,720 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:07:04,721 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-11-20 05:07:04,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data/7cf26c889/6cd6ef672c664d7e9d454a2bb073fb56/FLAG19c7d38f2 [2019-11-20 05:07:05,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data/7cf26c889/6cd6ef672c664d7e9d454a2bb073fb56 [2019-11-20 05:07:05,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:07:05,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:07:05,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:07:05,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:07:05,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:07:05,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc99921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05, skipping insertion in model container [2019-11-20 05:07:05,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,102 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:07:05,120 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:07:05,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:07:05,306 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:07:05,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:07:05,417 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:07:05,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05 WrapperNode [2019-11-20 05:07:05,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:07:05,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:07:05,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:07:05,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:07:05,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:07:05,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:07:05,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:07:05,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:07:05,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... [2019-11-20 05:07:05,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:07:05,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:07:05,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:07:05,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:07:05,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 [2019-11-20 05:07:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:07:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 05:07:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:07:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 05:07:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:07:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:07:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:07:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:07:05,894 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:07:05,894 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 05:07:05,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:05 BoogieIcfgContainer [2019-11-20 05:07:05,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:07:05,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:07:05,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:07:05,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:07:05,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:07:05" (1/3) ... [2019-11-20 05:07:05,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12903e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:07:05, skipping insertion in model container [2019-11-20 05:07:05,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:05" (2/3) ... [2019-11-20 05:07:05,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12903e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:07:05, skipping insertion in model container [2019-11-20 05:07:05,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:05" (3/3) ... [2019-11-20 05:07:05,903 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2019-11-20 05:07:05,910 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:07:05,916 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:07:05,923 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:07:05,941 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:07:05,942 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:07:05,942 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:07:05,942 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:07:05,942 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:07:05,942 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:07:05,942 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:07:05,942 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:07:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-20 05:07:05,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 05:07:05,964 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:07:05,965 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:07:05,966 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:07:05,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:07:05,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2019-11-20 05:07:05,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:07:05,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551917451] [2019-11-20 05:07:05,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:07:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:07:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:07:06,083 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551917451] [2019-11-20 05:07:06,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:07:06,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:07:06,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887618726] [2019-11-20 05:07:06,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:07:06,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:07:06,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:07:06,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:07:06,101 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-20 05:07:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:07:06,125 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-11-20 05:07:06,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:07:06,126 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 05:07:06,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:07:06,134 INFO L225 Difference]: With dead ends: 64 [2019-11-20 05:07:06,134 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 05:07:06,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:07:06,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 05:07:06,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-20 05:07:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 05:07:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-11-20 05:07:06,165 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2019-11-20 05:07:06,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:07:06,165 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-20 05:07:06,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:07:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-11-20 05:07:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 05:07:06,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:07:06,166 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:07:06,166 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:07:06,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:07:06,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2019-11-20 05:07:06,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:07:06,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331435842] [2019-11-20 05:07:06,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:07:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:07:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:07:06,248 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:07:06,249 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 05:07:06,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:07:06 BoogieIcfgContainer [2019-11-20 05:07:06,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:07:06,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:07:06,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:07:06,276 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:07:06,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:05" (3/4) ... [2019-11-20 05:07:06,280 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:07:06,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:07:06,282 INFO L168 Benchmark]: Toolchain (without parser) took 1194.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -97.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:06,283 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. [2019-11-20 05:07:06,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:06,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:07:06,284 INFO L168 Benchmark]: Boogie Preprocessor took 30.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:07:06,285 INFO L168 Benchmark]: RCFGBuilder took 403.23 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:06,286 INFO L168 Benchmark]: TraceAbstraction took 379.47 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:06,286 INFO L168 Benchmark]: Witness Printer took 4.25 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. [2019-11-20 05:07:06,289 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 330.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 403.23 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 379.47 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 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: 97]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 30, overapproximation of bitwiseAnd at line 27. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = -1.0f / 0.0f; [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] float res = __ieee754_sqrtf(x); [L13] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L96] COND TRUE !isnan_float(res) [L97] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 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=33occurred 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 0.1.24-678e011 [2019-11-20 05:07:08,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:07:08,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:07:08,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:07:08,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:07:08,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:07:08,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:07:08,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:07:08,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:07:08,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:07:08,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:07:08,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:07:08,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:07:08,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:07:08,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:07:08,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:07:08,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:07:08,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:07:08,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:07:08,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:07:08,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:07:08,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:07:08,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:07:08,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:07:08,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:07:08,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:07:08,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:07:08,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:07:08,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:07:08,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:07:08,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:07:08,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:07:08,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:07:08,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:07:08,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:07:08,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:07:08,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:07:08,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:07:08,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:07:08,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:07:08,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:07:08,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 05:07:08,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:07:08,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:07:08,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:07:08,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:07:08,515 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:07:08,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:07:08,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:07:08,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:07:08,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:07:08,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:07:08,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:07:08,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:07:08,517 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 05:07:08,517 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 05:07:08,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:07:08,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:07:08,518 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:07:08,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:07:08,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:07:08,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:07:08,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:07:08,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:07:08,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:07:08,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:07:08,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:07:08,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:07:08,521 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 05:07:08,521 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 05:07:08,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:07:08,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 05:07:08,521 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_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2019-11-20 05:07:08,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:07:08,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:07:08,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:07:08,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:07:08,854 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:07:08,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-11-20 05:07:08,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data/ea785d4be/ef2611bd095a47e1bd9a378b86fa21f3/FLAG4c3331c42 [2019-11-20 05:07:09,285 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:07:09,286 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-11-20 05:07:09,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data/ea785d4be/ef2611bd095a47e1bd9a378b86fa21f3/FLAG4c3331c42 [2019-11-20 05:07:09,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/data/ea785d4be/ef2611bd095a47e1bd9a378b86fa21f3 [2019-11-20 05:07:09,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:07:09,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:07:09,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:07:09,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:07:09,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:07:09,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:09" (1/1) ... [2019-11-20 05:07:09,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe7f9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:09, skipping insertion in model container [2019-11-20 05:07:09,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:09" (1/1) ... [2019-11-20 05:07:09,752 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:07:09,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:07:09,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:07:09,988 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:07:10,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:07:10,159 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:07:10,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10 WrapperNode [2019-11-20 05:07:10,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:07:10,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:07:10,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:07:10,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:07:10,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:07:10,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:07:10,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:07:10,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:07:10,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... [2019-11-20 05:07:10,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:07:10,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:07:10,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:07:10,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:07:10,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 [2019-11-20 05:07:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:07:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 05:07:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 05:07:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:07:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:07:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 05:07:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 05:07:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:07:11,255 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:07:11,255 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 05:07:11,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:11 BoogieIcfgContainer [2019-11-20 05:07:11,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:07:11,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:07:11,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:07:11,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:07:11,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:07:09" (1/3) ... [2019-11-20 05:07:11,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6867c5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:07:11, skipping insertion in model container [2019-11-20 05:07:11,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:10" (2/3) ... [2019-11-20 05:07:11,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6867c5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:07:11, skipping insertion in model container [2019-11-20 05:07:11,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:11" (3/3) ... [2019-11-20 05:07:11,264 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2019-11-20 05:07:11,273 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:07:11,279 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:07:11,290 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:07:11,312 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:07:11,312 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:07:11,312 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:07:11,312 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:07:11,313 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:07:11,313 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:07:11,313 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:07:11,313 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:07:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-20 05:07:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 05:07:11,332 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:07:11,333 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:07:11,333 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:07:11,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:07:11,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2019-11-20 05:07:11,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:07:11,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845138703] [2019-11-20 05:07:11,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 [2019-11-20 05:07:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:07:11,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 05:07:11,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:07:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:07:11,626 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:07:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:07:11,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845138703] [2019-11-20 05:07:11,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:07:11,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 05:07:11,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601385492] [2019-11-20 05:07:11,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:07:11,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:07:11,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:07:11,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:07:11,663 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-20 05:07:11,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:07:11,680 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-11-20 05:07:11,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:07:11,682 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 05:07:11,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:07:11,693 INFO L225 Difference]: With dead ends: 64 [2019-11-20 05:07:11,693 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 05:07:11,697 INFO L630 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 [2019-11-20 05:07:11,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 05:07:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-20 05:07:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 05:07:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-11-20 05:07:11,727 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2019-11-20 05:07:11,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:07:11,728 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-20 05:07:11,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:07:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-11-20 05:07:11,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 05:07:11,728 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:07:11,729 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:07:11,934 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 05:07:11,934 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:07:11,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:07:11,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2019-11-20 05:07:11,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:07:11,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608485094] [2019-11-20 05:07:11,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 [2019-11-20 05:07:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:07:12,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:07:12,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:07:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:07:12,176 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:07:14,483 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-11-20 05:07:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:07:14,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608485094] [2019-11-20 05:07:14,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:07:14,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-20 05:07:14,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577983588] [2019-11-20 05:07:14,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 05:07:14,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:07:14,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 05:07:14,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:07:14,490 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 9 states. [2019-11-20 05:07:15,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:07:15,110 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-11-20 05:07:15,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:07:15,111 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2019-11-20 05:07:15,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:07:15,112 INFO L225 Difference]: With dead ends: 35 [2019-11-20 05:07:15,112 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 05:07:15,113 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-20 05:07:15,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 05:07:15,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-20 05:07:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 05:07:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-11-20 05:07:15,118 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 10 [2019-11-20 05:07:15,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:07:15,119 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-11-20 05:07:15,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 05:07:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2019-11-20 05:07:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 05:07:15,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:07:15,120 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:07:15,329 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 05:07:15,330 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:07:15,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:07:15,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1245605874, now seen corresponding path program 1 times [2019-11-20 05:07:15,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:07:15,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31918704] [2019-11-20 05:07:15,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/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 [2019-11-20 05:07:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:07:15,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:07:15,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:07:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:07:15,451 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:07:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:07:15,521 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31918704] [2019-11-20 05:07:15,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:07:15,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 05:07:15,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134144318] [2019-11-20 05:07:15,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 05:07:15,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:07:15,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:07:15,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:07:15,523 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand 8 states. [2019-11-20 05:07:15,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:07:15,580 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2019-11-20 05:07:15,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:07:15,581 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-20 05:07:15,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:07:15,581 INFO L225 Difference]: With dead ends: 30 [2019-11-20 05:07:15,581 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:07:15,582 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 05:07:15,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:07:15,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:07:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:07:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:07:15,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-20 05:07:15,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:07:15,583 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:07:15,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 05:07:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:07:15,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:07:15,784 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 05:07:15,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:07:15,868 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:07:15,868 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:07:15,868 INFO L440 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-20 05:07:15,869 INFO L444 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-20 05:07:15,869 INFO L444 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-20 05:07:15,869 INFO L444 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-20 05:07:15,869 INFO L444 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-20 05:07:15,869 INFO L440 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_sqrtf_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= ULTIMATE.start___ieee754_sqrtf_~x .cse0))) [2019-11-20 05:07:15,869 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-20 05:07:15,870 INFO L444 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-20 05:07:15,870 INFO L444 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2019-11-20 05:07:15,870 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-20 05:07:15,870 INFO L444 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-20 05:07:15,870 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-20 05:07:15,870 INFO L440 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2019-11-20 05:07:15,871 INFO L444 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-20 05:07:15,871 INFO L444 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-20 05:07:15,871 INFO L440 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-20 05:07:15,871 INFO L444 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-20 05:07:15,871 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-20 05:07:15,871 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-20 05:07:15,871 INFO L440 ceAbstractionStarter]: At program point L81(lines 17 82) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= ULTIMATE.start___ieee754_sqrtf_~x .cse0))) [2019-11-20 05:07:15,872 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-20 05:07:15,872 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:07:15,872 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-11-20 05:07:15,872 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-20 05:07:15,872 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:07:15,872 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-20 05:07:15,873 INFO L444 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-20 05:07:15,873 INFO L440 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-20 05:07:15,873 INFO L444 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-20 05:07:15,873 INFO L447 ceAbstractionStarter]: At program point L101(lines 84 102) the Hoare annotation is: true [2019-11-20 05:07:15,873 INFO L444 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-20 05:07:15,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:15,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:07:15 BoogieIcfgContainer [2019-11-20 05:07:15,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:07:15,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:07:15,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:07:15,933 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:07:15,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:11" (3/4) ... [2019-11-20 05:07:15,937 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:07:15,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 05:07:15,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 05:07:15,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:07:15,969 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-11-20 05:07:15,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-11-20 05:07:15,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d2da58a1-a7d3-4b63-92b0-56cfa985ad06/bin/uautomizer/witness.graphml [2019-11-20 05:07:15,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:07:16,000 INFO L168 Benchmark]: Toolchain (without parser) took 6277.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 961.8 MB in the beginning and 1.0 GB in the end (delta: -64.4 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:16,000 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:07:16,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -199.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:16,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:16,002 INFO L168 Benchmark]: Boogie Preprocessor took 41.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:07:16,002 INFO L168 Benchmark]: RCFGBuilder took 996.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:16,003 INFO L168 Benchmark]: TraceAbstraction took 4671.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:16,003 INFO L168 Benchmark]: Witness Printer took 70.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:07:16,005 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 421.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -199.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 996.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4671.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * Witness Printer took 70.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2019-11-20 05:07:16,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 13]: Loop Invariant [2019-11-20 05:07:16,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (1bv32 == \result && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2019-11-20 05:07:16,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:07:16,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: SAFE, OverallTime: 4.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 45 SDslu, 172 SDs, 0 SdLazy, 44 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 90 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 2 QuantifiedInterpolants, 3376 SizeOfPredicates, 14 NumberOfNonLiveVariables, 87 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...