./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49b0b96094723c8986d9da073ab342d1c1dce38a ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49b0b96094723c8986d9da073ab342d1c1dce38a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 14:57:22,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:57:22,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:57:22,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:57:22,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:57:22,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:57:22,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:57:22,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:57:22,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:57:22,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:57:22,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:57:22,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:57:22,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:57:22,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:57:22,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:57:22,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:57:22,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:57:22,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:57:22,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:57:22,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:57:22,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:57:22,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:57:22,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:57:22,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:57:22,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:57:22,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:57:22,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:57:22,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:57:22,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:57:22,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:57:22,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:57:22,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:57:22,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:57:22,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:57:22,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:57:22,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:57:22,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:57:22,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:57:22,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:57:22,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:57:22,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:57:22,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 14:57:22,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:57:22,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:57:22,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:57:22,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:57:22,610 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:57:22,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:57:22,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:57:22,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:57:22,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:57:22,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:57:22,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 14:57:22,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 14:57:22,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 14:57:22,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:57:22,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:57:22,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:57:22,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 14:57:22,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:57:22,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:57:22,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 14:57:22,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 14:57:22,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:57:22,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:57:22,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 14:57:22,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 14:57:22,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:57:22,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 14:57:22,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 14:57:22,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:57:22,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49b0b96094723c8986d9da073ab342d1c1dce38a [2020-12-01 14:57:22,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:57:23,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:57:23,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:57:23,059 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:57:23,060 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:57:23,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2020-12-01 14:57:23,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data/bbec5feeb/454fa035745d4eefac1e4411e202d589/FLAG69e27e224 [2020-12-01 14:57:23,875 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:57:23,876 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2020-12-01 14:57:23,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data/bbec5feeb/454fa035745d4eefac1e4411e202d589/FLAG69e27e224 [2020-12-01 14:57:24,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data/bbec5feeb/454fa035745d4eefac1e4411e202d589 [2020-12-01 14:57:24,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:57:24,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:57:24,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:57:24,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:57:24,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:57:24,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb015cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24, skipping insertion in model container [2020-12-01 14:57:24,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:57:24,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:57:24,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:57:24,595 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:57:24,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:57:24,750 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:57:24,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24 WrapperNode [2020-12-01 14:57:24,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:57:24,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:57:24,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:57:24,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:57:24,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:57:24,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:57:24,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:57:24,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:57:24,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... [2020-12-01 14:57:24,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:57:24,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:57:24,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:57:24,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:57:24,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/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 [2020-12-01 14:57:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 14:57:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:57:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 14:57:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 14:57:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 14:57:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:57:25,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:57:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 14:57:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 14:57:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 14:57:26,204 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:57:26,204 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-12-01 14:57:26,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:26 BoogieIcfgContainer [2020-12-01 14:57:26,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:57:26,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 14:57:26,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 14:57:26,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 14:57:26,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:57:24" (1/3) ... [2020-12-01 14:57:26,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e5aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:57:26, skipping insertion in model container [2020-12-01 14:57:26,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:24" (2/3) ... [2020-12-01 14:57:26,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e5aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:57:26, skipping insertion in model container [2020-12-01 14:57:26,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:26" (3/3) ... [2020-12-01 14:57:26,221 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2020-12-01 14:57:26,239 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 14:57:26,243 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 14:57:26,256 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 14:57:26,286 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 14:57:26,286 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 14:57:26,286 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 14:57:26,286 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:57:26,286 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:57:26,287 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 14:57:26,287 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:57:26,287 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 14:57:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-12-01 14:57:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 14:57:26,332 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:57:26,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:26,334 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:57:26,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:26,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-12-01 14:57:26,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:26,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774607311] [2020-12-01 14:57:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:57:26,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774607311] [2020-12-01 14:57:26,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:57:26,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:57:26,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88105124] [2020-12-01 14:57:26,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 14:57:26,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:57:26,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 14:57:26,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 14:57:26,587 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-12-01 14:57:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:57:26,625 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-12-01 14:57:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 14:57:26,627 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 14:57:26,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:57:26,641 INFO L225 Difference]: With dead ends: 220 [2020-12-01 14:57:26,641 INFO L226 Difference]: Without dead ends: 107 [2020-12-01 14:57:26,645 INFO L677 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 [2020-12-01 14:57:26,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-01 14:57:26,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-01 14:57:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-01 14:57:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-12-01 14:57:26,702 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-12-01 14:57:26,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:57:26,702 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-12-01 14:57:26,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 14:57:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-12-01 14:57:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 14:57:26,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:57:26,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:26,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 14:57:26,704 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:57:26,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:26,705 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-12-01 14:57:26,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:26,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453430495] [2020-12-01 14:57:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:26,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:26,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:27,003 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:27,003 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 14:57:27,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 14:57:27,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:57:27 BoogieIcfgContainer [2020-12-01 14:57:27,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 14:57:27,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:57:27,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:57:27,092 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:57:27,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:26" (3/4) ... [2020-12-01 14:57:27,098 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 14:57:27,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:57:27,104 INFO L168 Benchmark]: Toolchain (without parser) took 2890.84 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 56.5 MB in the beginning and 54.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:27,105 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 45.2 MB in the beginning and 45.2 MB in the end (delta: 36.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:57:27,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.87 ms. Allocated memory is still 88.1 MB. Free memory was 56.3 MB in the beginning and 61.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:27,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.99 ms. Allocated memory is still 88.1 MB. Free memory was 61.6 MB in the beginning and 58.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:27,109 INFO L168 Benchmark]: Boogie Preprocessor took 109.67 ms. Allocated memory is still 88.1 MB. Free memory was 58.2 MB in the beginning and 55.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:27,112 INFO L168 Benchmark]: RCFGBuilder took 1232.68 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 55.4 MB in the end (delta: -325.9 kB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:27,113 INFO L168 Benchmark]: TraceAbstraction took 880.30 ms. Allocated memory is still 107.0 MB. Free memory was 55.3 MB in the beginning and 54.9 MB in the end (delta: 403.5 kB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:27,116 INFO L168 Benchmark]: Witness Printer took 7.12 ms. Allocated memory is still 107.0 MB. Free memory was 54.9 MB in the beginning and 54.5 MB in the end (delta: 411.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:57:27,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 45.2 MB in the beginning and 45.2 MB in the end (delta: 36.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.87 ms. Allocated memory is still 88.1 MB. Free memory was 56.3 MB in the beginning and 61.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.99 ms. Allocated memory is still 88.1 MB. Free memory was 61.6 MB in the beginning and 58.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.67 ms. Allocated memory is still 88.1 MB. Free memory was 58.2 MB in the beginning and 55.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1232.68 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 55.4 MB in the end (delta: -325.9 kB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 880.30 ms. Allocated memory is still 107.0 MB. Free memory was 55.3 MB in the beginning and 54.9 MB in the end (delta: 403.5 kB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. * Witness Printer took 7.12 ms. Allocated memory is still 107.0 MB. Free memory was 54.9 MB in the beginning and 54.5 MB in the end (delta: 411.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 231, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = 0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y < 0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L228] float res = __ieee754_atan2f(y, x); [L231] COND TRUE res != -pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "float_req_bl_0662b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 160 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=112occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-69874e2 [2020-12-01 14:57:30,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:57:30,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:57:30,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-01 14:57:30,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:57:30,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:57:30,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:57:30,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:57:30,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:57:30,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:57:30,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:57:30,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:57:30,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:57:30,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:57:30,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:57:30,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 14:57:30,561 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:57:30,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:57:30,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:57:30,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:57:30,569 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:57:30,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:57:30,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:57:30,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:57:30,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:57:30,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 14:57:30,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 14:57:30,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 14:57:30,573 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 14:57:30,573 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 14:57:30,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:57:30,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:57:30,575 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:57:30,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 14:57:30,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:57:30,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:57:30,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 14:57:30,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 14:57:30,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:57:30,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:57:30,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 14:57:30,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 14:57:30,578 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 14:57:30,578 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 14:57:30,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 14:57:30,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:57:30,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 14:57:30,579 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49b0b96094723c8986d9da073ab342d1c1dce38a [2020-12-01 14:57:31,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:57:31,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:57:31,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:57:31,187 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:57:31,189 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:57:31,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2020-12-01 14:57:31,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data/d040e4746/7cb2d38b66f04a2e99197247e228ebb1/FLAG398e856b6 [2020-12-01 14:57:31,988 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:57:31,988 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2020-12-01 14:57:32,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data/d040e4746/7cb2d38b66f04a2e99197247e228ebb1/FLAG398e856b6 [2020-12-01 14:57:32,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/data/d040e4746/7cb2d38b66f04a2e99197247e228ebb1 [2020-12-01 14:57:32,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:57:32,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:57:32,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:57:32,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:57:32,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:57:32,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:32,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc285b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32, skipping insertion in model container [2020-12-01 14:57:32,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:32,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:57:32,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:57:32,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:57:32,722 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:57:32,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:57:32,886 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:57:32,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32 WrapperNode [2020-12-01 14:57:32,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:57:32,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:57:32,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:57:32,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:57:32,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:32,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:33,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:57:33,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:57:33,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:57:33,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:57:33,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:33,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:33,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:33,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:33,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:33,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:33,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... [2020-12-01 14:57:33,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:57:33,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:57:33,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:57:33,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:57:33,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/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 [2020-12-01 14:57:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-01 14:57:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 14:57:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:57:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-01 14:57:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 14:57:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:57:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:57:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-01 14:57:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 14:57:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 14:58:08,477 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:58:08,477 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-12-01 14:58:08,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:58:08 BoogieIcfgContainer [2020-12-01 14:58:08,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:58:08,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 14:58:08,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 14:58:08,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 14:58:08,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:57:32" (1/3) ... [2020-12-01 14:58:08,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4f7d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:58:08, skipping insertion in model container [2020-12-01 14:58:08,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:32" (2/3) ... [2020-12-01 14:58:08,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4f7d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:58:08, skipping insertion in model container [2020-12-01 14:58:08,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:58:08" (3/3) ... [2020-12-01 14:58:08,490 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2020-12-01 14:58:08,508 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 14:58:08,513 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 14:58:08,523 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 14:58:08,552 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 14:58:08,553 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 14:58:08,553 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 14:58:08,553 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:58:08,553 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:58:08,554 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 14:58:08,554 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:58:08,554 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 14:58:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-12-01 14:58:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 14:58:08,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:08,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:08,580 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:08,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:08,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-12-01 14:58:08,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 14:58:08,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245720783] [2020-12-01 14:58:08,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/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 [2020-12-01 14:58:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:09,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 14:58:09,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:58:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:09,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 14:58:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:09,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245720783] [2020-12-01 14:58:09,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:09,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 14:58:09,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862240050] [2020-12-01 14:58:09,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 14:58:09,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 14:58:10,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 14:58:10,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 14:58:10,023 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-12-01 14:58:10,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:10,090 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-12-01 14:58:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 14:58:10,092 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 14:58:10,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:10,111 INFO L225 Difference]: With dead ends: 220 [2020-12-01 14:58:10,111 INFO L226 Difference]: Without dead ends: 107 [2020-12-01 14:58:10,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 14:58:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-01 14:58:10,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-01 14:58:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-01 14:58:10,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-12-01 14:58:10,203 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-12-01 14:58:10,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:10,204 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-12-01 14:58:10,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 14:58:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-12-01 14:58:10,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 14:58:10,206 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:10,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:10,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 14:58:10,421 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:10,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:10,422 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-12-01 14:58:10,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 14:58:10,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572927427] [2020-12-01 14:58:10,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/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 [2020-12-01 14:58:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:11,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 14:58:11,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:58:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:14,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 14:58:15,204 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-01 14:58:15,531 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-12-01 14:58:15,770 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-01 14:58:16,088 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-01 14:58:16,097 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-01 14:58:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:16,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572927427] [2020-12-01 14:58:16,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:16,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-12-01 14:58:16,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612297140] [2020-12-01 14:58:16,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-01 14:58:16,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 14:58:16,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-01 14:58:16,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=150, Unknown=1, NotChecked=0, Total=182 [2020-12-01 14:58:16,302 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2020-12-01 14:58:18,887 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-01 14:58:19,085 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 14:58:19,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:19,318 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2020-12-01 14:58:19,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 14:58:19,322 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-12-01 14:58:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:19,323 INFO L225 Difference]: With dead ends: 114 [2020-12-01 14:58:19,323 INFO L226 Difference]: Without dead ends: 19 [2020-12-01 14:58:19,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=91, Invalid=250, Unknown=1, NotChecked=0, Total=342 [2020-12-01 14:58:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-01 14:58:19,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-12-01 14:58:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-01 14:58:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-12-01 14:58:19,329 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2020-12-01 14:58:19,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:19,330 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-12-01 14:58:19,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-01 14:58:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-12-01 14:58:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 14:58:19,331 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:19,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:19,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 14:58:19,540 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:19,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:19,540 INFO L82 PathProgramCache]: Analyzing trace with hash -627671495, now seen corresponding path program 1 times [2020-12-01 14:58:19,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 14:58:19,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346470249] [2020-12-01 14:58:19,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/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 [2020-12-01 14:58:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:20,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 14:58:20,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:58:21,307 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-01 14:58:21,535 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-01 14:58:21,804 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-01 14:58:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:21,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 14:58:25,363 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-01 14:58:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:25,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346470249] [2020-12-01 14:58:25,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:25,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-01 14:58:25,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579276496] [2020-12-01 14:58:25,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-01 14:58:25,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 14:58:25,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-01 14:58:25,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-01 14:58:25,382 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2020-12-01 14:58:27,894 WARN L197 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-12-01 14:58:28,623 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-12-01 14:58:29,322 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-12-01 14:58:29,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:29,323 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-12-01 14:58:29,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 14:58:29,324 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-12-01 14:58:29,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:29,324 INFO L225 Difference]: With dead ends: 19 [2020-12-01 14:58:29,324 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 14:58:29,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-01 14:58:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 14:58:29,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 14:58:29,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 14:58:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 14:58:29,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-12-01 14:58:29,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:29,327 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:58:29,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-01 14:58:29,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 14:58:29,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 14:58:29,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 14:58:29,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 14:58:29,740 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-01 14:58:29,964 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-01 14:58:30,422 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 14:58:30,457 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 14:58:30,457 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 14:58:30,457 INFO L262 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-12-01 14:58:30,457 INFO L262 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-12-01 14:58:30,457 INFO L262 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-12-01 14:58:30,457 INFO L262 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-12-01 14:58:30,457 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-12-01 14:58:30,458 INFO L262 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-12-01 14:58:30,458 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-12-01 14:58:30,458 INFO L265 CegarLoopResult]: At program point L237(lines 217 238) the Hoare annotation is: true [2020-12-01 14:58:30,458 INFO L262 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-12-01 14:58:30,458 INFO L262 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-12-01 14:58:30,458 INFO L262 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-12-01 14:58:30,458 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-12-01 14:58:30,458 INFO L262 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-12-01 14:58:30,458 INFO L262 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-12-01 14:58:30,459 INFO L262 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-12-01 14:58:30,459 INFO L262 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-12-01 14:58:30,459 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-01 14:58:30,459 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-01 14:58:30,459 INFO L262 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-12-01 14:58:30,459 INFO L262 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-12-01 14:58:30,459 INFO L262 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-12-01 14:58:30,460 INFO L262 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-12-01 14:58:30,460 INFO L262 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-12-01 14:58:30,460 INFO L262 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-12-01 14:58:30,460 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-12-01 14:58:30,460 INFO L262 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-12-01 14:58:30,460 INFO L262 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-12-01 14:58:30,460 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-01 14:58:30,461 INFO L262 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-12-01 14:58:30,461 INFO L262 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-12-01 14:58:30,461 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-01 14:58:30,461 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-01 14:58:30,461 INFO L262 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-12-01 14:58:30,461 INFO L262 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-12-01 14:58:30,461 INFO L258 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-12-01 14:58:30,461 INFO L262 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-12-01 14:58:30,461 INFO L262 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-12-01 14:58:30,462 INFO L262 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-12-01 14:58:30,462 INFO L258 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-12-01 14:58:30,462 INFO L262 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-12-01 14:58:30,462 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-12-01 14:58:30,462 INFO L258 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-12-01 14:58:30,462 INFO L262 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-12-01 14:58:30,462 INFO L258 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-12-01 14:58:30,462 INFO L262 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-12-01 14:58:30,463 INFO L258 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-12-01 14:58:30,463 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-01 14:58:30,463 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-01 14:58:30,463 INFO L262 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-12-01 14:58:30,464 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 14:58:30,464 INFO L258 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-12-01 14:58:30,464 INFO L262 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-12-01 14:58:30,464 INFO L262 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-12-01 14:58:30,465 INFO L262 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-12-01 14:58:30,465 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-12-01 14:58:30,465 INFO L262 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-12-01 14:58:30,465 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-01 14:58:30,465 INFO L262 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-12-01 14:58:30,466 INFO L262 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-12-01 14:58:30,466 INFO L262 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-12-01 14:58:30,466 INFO L262 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-12-01 14:58:30,466 INFO L262 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-12-01 14:58:30,466 INFO L262 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-12-01 14:58:30,466 INFO L262 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-12-01 14:58:30,467 INFO L262 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-12-01 14:58:30,467 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-01 14:58:30,467 INFO L262 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-12-01 14:58:30,467 INFO L262 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-12-01 14:58:30,467 INFO L262 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-12-01 14:58:30,468 INFO L262 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-12-01 14:58:30,468 INFO L258 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-12-01 14:58:30,468 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-12-01 14:58:30,468 INFO L262 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-12-01 14:58:30,468 INFO L258 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-12-01 14:58:30,468 INFO L262 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-12-01 14:58:30,469 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 14:58:30,469 INFO L262 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-12-01 14:58:30,469 INFO L262 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-12-01 14:58:30,469 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-12-01 14:58:30,469 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-12-01 14:58:30,470 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-12-01 14:58:30,470 INFO L262 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-12-01 14:58:30,470 INFO L258 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-12-01 14:58:30,470 INFO L258 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-12-01 14:58:30,470 INFO L258 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-12-01 14:58:30,471 INFO L262 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-12-01 14:58:30,471 INFO L262 CegarLoopResult]: For program point L226(lines 226 235) no Hoare annotation was computed. [2020-12-01 14:58:30,471 INFO L262 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-12-01 14:58:30,471 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-01 14:58:30,471 INFO L262 CegarLoopResult]: For program point L226-2(lines 226 235) no Hoare annotation was computed. [2020-12-01 14:58:30,472 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 14:58:30,472 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-01 14:58:30,472 INFO L262 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-12-01 14:58:30,472 INFO L262 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-12-01 14:58:30,472 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-12-01 14:58:30,472 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-01 14:58:30,473 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-12-01 14:58:30,473 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-12-01 14:58:30,473 INFO L262 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-12-01 14:58:30,473 INFO L262 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-12-01 14:58:30,474 INFO L262 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-12-01 14:58:30,474 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-01 14:58:30,474 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 14:58:30,474 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 14:58:30,474 INFO L262 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-12-01 14:58:30,475 INFO L262 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-12-01 14:58:30,475 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-12-01 14:58:30,475 INFO L262 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-12-01 14:58:30,475 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-12-01 14:58:30,475 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-01 14:58:30,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,499 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,499 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,509 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,510 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,511 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,513 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:58:30 BoogieIcfgContainer [2020-12-01 14:58:30,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 14:58:30,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:58:30,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:58:30,518 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:58:30,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:58:08" (3/4) ... [2020-12-01 14:58:30,523 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 14:58:30,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 14:58:30,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 14:58:30,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:58:30,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:58:30,606 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-12-01 14:58:30,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-12-01 14:58:30,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_08e80925-b282-4f1a-9ba7-eac0b569b38f/bin/uautomizer/witness.graphml [2020-12-01 14:58:30,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:58:30,722 INFO L168 Benchmark]: Toolchain (without parser) took 58463.64 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 44.1 MB in the beginning and 35.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2020-12-01 14:58:30,723 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 62.9 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:58:30,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.35 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 42.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:58:30,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.29 ms. Allocated memory is still 62.9 MB. Free memory was 42.8 MB in the beginning and 39.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:58:30,724 INFO L168 Benchmark]: Boogie Preprocessor took 147.24 ms. Allocated memory is still 62.9 MB. Free memory was 39.4 MB in the beginning and 35.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 14:58:30,725 INFO L168 Benchmark]: RCFGBuilder took 35299.63 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 35.6 MB in the beginning and 55.5 MB in the end (delta: -19.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:58:30,725 INFO L168 Benchmark]: TraceAbstraction took 22035.47 ms. Allocated memory is still 77.6 MB. Free memory was 55.1 MB in the beginning and 43.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:58:30,726 INFO L168 Benchmark]: Witness Printer took 203.26 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 35.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 14:58:30,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 62.9 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.35 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 42.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.29 ms. Allocated memory is still 62.9 MB. Free memory was 42.8 MB in the beginning and 39.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 147.24 ms. Allocated memory is still 62.9 MB. Free memory was 39.4 MB in the beginning and 35.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 35299.63 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 35.6 MB in the beginning and 55.5 MB in the end (delta: -19.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22035.47 ms. Allocated memory is still 77.6 MB. Free memory was 55.1 MB in the beginning and 43.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. * Witness Printer took 203.26 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 35.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-12-01 14:58:30,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-12-01 14:58:30,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2020-12-01 14:58:30,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-01 14:58:30,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-01 14:58:30,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 14:58:30,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 14:58:30,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 116 SDslu, 78 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 179 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10849 SizeOfPredicates, 18 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 23 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...