./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7437f00c34877da3eeb70986d6a7f4bae4c9669a .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7437f00c34877da3eeb70986d6a7f4bae4c9669a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:11:17,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:11:17,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:11:17,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:11:17,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:11:17,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:11:17,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:11:17,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:11:17,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:11:17,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:11:17,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:11:17,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:11:17,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:11:17,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:11:17,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:11:17,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:11:17,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:11:17,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:11:17,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:11:17,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:11:17,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:11:17,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:11:17,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:11:17,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:11:17,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:11:17,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:11:17,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:11:17,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:11:17,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:11:17,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:11:17,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:11:17,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:11:17,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:11:17,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:11:17,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:11:17,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:11:17,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:11:17,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:11:17,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:11:17,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:11:17,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:11:17,096 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:11:17,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:11:17,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:11:17,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:11:17,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:11:17,106 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:11:17,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:11:17,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:11:17,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:11:17,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:11:17,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:11:17,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:11:17,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:11:17,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:11:17,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:11:17,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:11:17,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:11:17,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:11:17,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:11:17,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:11:17,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:11:17,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:11:17,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:11:17,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:11:17,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:11:17,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:11:17,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:11:17,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:11:17,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:11:17,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:11:17,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7437f00c34877da3eeb70986d6a7f4bae4c9669a [2019-12-07 15:11:17,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:11:17,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:11:17,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:11:17,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:11:17,221 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:11:17,221 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-07 15:11:17,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data/22354d684/88cfbb67fec744fabde988cc7a5087ea/FLAGa5d2dae57 [2019-12-07 15:11:17,677 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:11:17,677 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-07 15:11:17,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data/22354d684/88cfbb67fec744fabde988cc7a5087ea/FLAGa5d2dae57 [2019-12-07 15:11:17,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data/22354d684/88cfbb67fec744fabde988cc7a5087ea [2019-12-07 15:11:17,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:11:17,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:11:17,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:11:17,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:11:17,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:11:17,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:17,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1d1bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17, skipping insertion in model container [2019-12-07 15:11:17,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:17,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:11:17,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:11:17,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:11:17,908 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:11:17,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:11:17,959 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:11:17,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17 WrapperNode [2019-12-07 15:11:17,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:11:17,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:11:17,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:11:17,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:11:17,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:17,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:18,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:11:18,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:11:18,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:11:18,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:11:18,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:18,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:18,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:18,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:18,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:18,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:18,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... [2019-12-07 15:11:18,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:11:18,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:11:18,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:11:18,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:11:18,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:11:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:11:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 15:11:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:11:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 15:11:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:11:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:11:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:11:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 15:11:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:11:18,490 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:11:18,490 INFO L287 CfgBuilder]: Removed 50 assume(true) statements. [2019-12-07 15:11:18,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:18 BoogieIcfgContainer [2019-12-07 15:11:18,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:11:18,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:11:18,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:11:18,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:11:18,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:11:17" (1/3) ... [2019-12-07 15:11:18,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e8ae5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:11:18, skipping insertion in model container [2019-12-07 15:11:18,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:17" (2/3) ... [2019-12-07 15:11:18,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e8ae5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:11:18, skipping insertion in model container [2019-12-07 15:11:18,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:18" (3/3) ... [2019-12-07 15:11:18,497 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2019-12-07 15:11:18,503 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:11:18,507 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:11:18,514 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:11:18,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:11:18,530 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:11:18,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:11:18,530 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:11:18,530 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:11:18,530 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:11:18,530 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:11:18,530 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:11:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-12-07 15:11:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 15:11:18,546 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:11:18,546 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:11:18,546 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:11:18,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:18,550 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2019-12-07 15:11:18,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:11:18,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143891187] [2019-12-07 15:11:18,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:11:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:11:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:11:18,656 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143891187] [2019-12-07 15:11:18,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:11:18,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:11:18,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530899927] [2019-12-07 15:11:18,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:11:18,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:11:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:11:18,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:11:18,669 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-12-07 15:11:18,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:11:18,689 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2019-12-07 15:11:18,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:11:18,690 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-07 15:11:18,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:11:18,698 INFO L225 Difference]: With dead ends: 232 [2019-12-07 15:11:18,698 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 15:11:18,700 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:11:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 15:11:18,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 15:11:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 15:11:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-07 15:11:18,729 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2019-12-07 15:11:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:11:18,729 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-07 15:11:18,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:11:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-07 15:11:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 15:11:18,729 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:11:18,730 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:11:18,730 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:11:18,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:18,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2019-12-07 15:11:18,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:11:18,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14843086] [2019-12-07 15:11:18,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:11:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:11:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:11:18,840 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:11:18,840 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:11:18,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:11:18 BoogieIcfgContainer [2019-12-07 15:11:18,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:11:18,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:11:18,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:11:18,870 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:11:18,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:18" (3/4) ... [2019-12-07 15:11:18,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:11:18,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:11:18,875 INFO L168 Benchmark]: Toolchain (without parser) took 1181.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 946.3 MB in the beginning and 999.2 MB in the end (delta: -53.0 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:18,875 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:11:18,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -157.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:18,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:18,876 INFO L168 Benchmark]: Boogie Preprocessor took 40.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:11:18,877 INFO L168 Benchmark]: RCFGBuilder took 450.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:18,877 INFO L168 Benchmark]: TraceAbstraction took 377.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:11:18,877 INFO L168 Benchmark]: Witness Printer took 3.04 ms. Allocated memory is still 1.1 GB. Free memory is still 999.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:11:18,879 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -157.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 450.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 377.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.2 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.04 ms. Allocated memory is still 1.1 GB. Free memory is still 999.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 262]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 245. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = __VERIFIER_nondet_double(); [L254] double y = __VERIFIER_nondet_double(); [L245] return x != x; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] isnan_double(x) || isnan_double(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] COND TRUE isnan_double(x) || isnan_double(y) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] double res = __ieee754_atan2(y, x); [L245] return x != x; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L261] COND TRUE !isnan_double(res) [L262] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 169 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=119occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 15:11:20,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:11:20,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:11:20,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:11:20,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:11:20,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:11:20,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:11:20,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:11:20,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:11:20,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:11:20,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:11:20,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:11:20,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:11:20,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:11:20,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:11:20,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:11:20,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:11:20,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:11:20,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:11:20,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:11:20,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:11:20,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:11:20,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:11:20,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:11:20,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:11:20,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:11:20,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:11:20,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:11:20,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:11:20,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:11:20,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:11:20,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:11:20,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:11:20,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:11:20,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:11:20,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:11:20,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:11:20,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:11:20,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:11:20,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:11:20,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:11:20,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 15:11:20,271 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:11:20,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:11:20,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:11:20,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:11:20,273 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:11:20,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:11:20,273 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:11:20,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:11:20,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:11:20,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:11:20,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:11:20,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:11:20,274 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:11:20,274 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:11:20,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:11:20,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:11:20,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:11:20,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:11:20,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:11:20,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:11:20,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:11:20,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:11:20,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:11:20,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:11:20,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:11:20,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:11:20,276 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 15:11:20,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:11:20,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:11:20,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:11:20,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:11:20,276 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7437f00c34877da3eeb70986d6a7f4bae4c9669a [2019-12-07 15:11:20,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:11:20,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:11:20,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:11:20,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:11:20,460 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:11:20,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-07 15:11:20,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data/616181e22/8e5d4fd28eca4fc8a32528c2ff1f12fa/FLAGb3212c0f4 [2019-12-07 15:11:20,847 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:11:20,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-07 15:11:20,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data/616181e22/8e5d4fd28eca4fc8a32528c2ff1f12fa/FLAGb3212c0f4 [2019-12-07 15:11:20,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/data/616181e22/8e5d4fd28eca4fc8a32528c2ff1f12fa [2019-12-07 15:11:20,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:11:20,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:11:20,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:11:20,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:11:20,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:11:20,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:11:20" (1/1) ... [2019-12-07 15:11:20,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203973a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:20, skipping insertion in model container [2019-12-07 15:11:20,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:11:20" (1/1) ... [2019-12-07 15:11:20,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:11:20,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:11:21,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:11:21,038 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:11:21,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:11:21,134 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:11:21,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21 WrapperNode [2019-12-07 15:11:21,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:11:21,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:11:21,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:11:21,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:11:21,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:11:21,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:11:21,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:11:21,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:11:21,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... [2019-12-07 15:11:21,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:11:21,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:11:21,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:11:21,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:11:21,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:11:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 15:11:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 15:11:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:11:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 15:11:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 15:11:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:11:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:11:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 15:11:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:11:57,069 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:11:57,069 INFO L287 CfgBuilder]: Removed 50 assume(true) statements. [2019-12-07 15:11:57,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:57 BoogieIcfgContainer [2019-12-07 15:11:57,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:11:57,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:11:57,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:11:57,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:11:57,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:11:20" (1/3) ... [2019-12-07 15:11:57,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7502458d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:11:57, skipping insertion in model container [2019-12-07 15:11:57,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:11:21" (2/3) ... [2019-12-07 15:11:57,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7502458d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:11:57, skipping insertion in model container [2019-12-07 15:11:57,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:57" (3/3) ... [2019-12-07 15:11:57,076 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2019-12-07 15:11:57,082 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:11:57,087 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:11:57,095 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:11:57,111 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:11:57,111 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:11:57,111 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:11:57,111 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:11:57,112 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:11:57,112 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:11:57,112 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:11:57,112 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:11:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-12-07 15:11:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 15:11:57,127 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:11:57,128 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:11:57,128 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:11:57,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:57,132 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2019-12-07 15:11:57,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:11:57,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697632666] [2019-12-07 15:11:57,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 15:11:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:11:57,469 INFO L264 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:11:57,473 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:11:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:11:57,484 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:11:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:11:57,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697632666] [2019-12-07 15:11:57,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:11:57,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:11:57,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064031369] [2019-12-07 15:11:57,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:11:57,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:11:57,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:11:57,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:11:57,505 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-12-07 15:11:57,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:11:57,526 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2019-12-07 15:11:57,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:11:57,527 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-07 15:11:57,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:11:57,535 INFO L225 Difference]: With dead ends: 232 [2019-12-07 15:11:57,536 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 15:11:57,538 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:11:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 15:11:57,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 15:11:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 15:11:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-07 15:11:57,568 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2019-12-07 15:11:57,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:11:57,568 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-07 15:11:57,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:11:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-07 15:11:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 15:11:57,569 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:11:57,569 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:11:57,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:11:57,770 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:11:57,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:11:57,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2019-12-07 15:11:57,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:11:57,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086659703] [2019-12-07 15:11:57,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 15:11:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:11:58,147 INFO L264 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 15:11:58,149 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:11:58,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:11:58,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:11:58,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:11:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:11:58,819 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:12:00,422 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-07 15:12:01,879 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-07 15:12:03,683 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 15:12:03,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:12:05,529 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 15:12:05,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:12:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:12:05,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086659703] [2019-12-07 15:12:05,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:12:05,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2019-12-07 15:12:05,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372700743] [2019-12-07 15:12:05,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-07 15:12:05,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:12:05,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-07 15:12:05,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2019-12-07 15:12:05,580 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 17 states. [2019-12-07 15:12:10,024 WARN L192 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 26 DAG size of output: 19 [2019-12-07 15:12:13,457 WARN L192 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-12-07 15:14:25,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:14:25,950 INFO L93 Difference]: Finished difference Result 244 states and 339 transitions. [2019-12-07 15:14:25,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 15:14:25,968 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2019-12-07 15:14:25,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:14:25,971 INFO L225 Difference]: With dead ends: 244 [2019-12-07 15:14:25,971 INFO L226 Difference]: Without dead ends: 239 [2019-12-07 15:14:25,972 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2019-12-07 15:14:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-12-07 15:14:25,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 123. [2019-12-07 15:14:25,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-12-07 15:14:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions. [2019-12-07 15:14:25,985 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 16 [2019-12-07 15:14:25,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:14:25,986 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions. [2019-12-07 15:14:25,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-07 15:14:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2019-12-07 15:14:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 15:14:25,987 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:14:25,987 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:14:26,187 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:14:26,188 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:14:26,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:14:26,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2144381910, now seen corresponding path program 1 times [2019-12-07 15:14:26,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:14:26,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144540000] [2019-12-07 15:14:26,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 15:14:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:14:26,559 INFO L264 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 15:14:26,561 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:14:26,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:14:26,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:14:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:14:27,183 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:14:30,658 WARN L192 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 15:14:30,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:14:32,341 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 15:14:32,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:14:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:14:32,402 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144540000] [2019-12-07 15:14:32,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:14:32,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-12-07 15:14:32,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251995714] [2019-12-07 15:14:32,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 15:14:32,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:14:32,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 15:14:32,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-07 15:14:32,403 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand 15 states. [2019-12-07 15:14:34,623 WARN L192 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-12-07 15:14:36,470 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2019-12-07 15:14:38,471 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2019-12-07 15:14:40,748 WARN L192 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2019-12-07 15:14:59,274 WARN L192 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 15:15:57,892 WARN L192 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-12-07 15:16:59,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:16:59,710 INFO L93 Difference]: Finished difference Result 214 states and 299 transitions. [2019-12-07 15:16:59,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 15:16:59,730 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2019-12-07 15:16:59,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:16:59,732 INFO L225 Difference]: With dead ends: 214 [2019-12-07 15:16:59,732 INFO L226 Difference]: Without dead ends: 209 [2019-12-07 15:16:59,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2019-12-07 15:16:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-12-07 15:16:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 128. [2019-12-07 15:16:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 15:16:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2019-12-07 15:16:59,744 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 17 [2019-12-07 15:16:59,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:16:59,744 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2019-12-07 15:16:59,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 15:16:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2019-12-07 15:16:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 15:16:59,746 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:16:59,746 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:16:59,946 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:16:59,947 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:16:59,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:16:59,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1759093575, now seen corresponding path program 1 times [2019-12-07 15:16:59,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:16:59,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387576970] [2019-12-07 15:16:59,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 15:17:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:17:00,273 INFO L264 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 15:17:00,275 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:17:00,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:17:00,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:17:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:17:00,411 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:17:00,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:17:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:17:00,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387576970] [2019-12-07 15:17:00,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:17:00,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-12-07 15:17:00,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68352896] [2019-12-07 15:17:00,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 15:17:00,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:17:00,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 15:17:00,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:17:00,634 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 14 states. [2019-12-07 15:17:08,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:17:08,916 INFO L93 Difference]: Finished difference Result 288 states and 398 transitions. [2019-12-07 15:17:09,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 15:17:09,279 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2019-12-07 15:17:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:17:09,281 INFO L225 Difference]: With dead ends: 288 [2019-12-07 15:17:09,281 INFO L226 Difference]: Without dead ends: 255 [2019-12-07 15:17:09,282 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2019-12-07 15:17:09,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-12-07 15:17:09,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 132. [2019-12-07 15:17:09,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-12-07 15:17:09,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2019-12-07 15:17:09,291 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 21 [2019-12-07 15:17:09,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:17:09,291 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2019-12-07 15:17:09,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 15:17:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2019-12-07 15:17:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 15:17:09,293 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:17:09,293 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:17:09,493 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:17:09,494 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:17:09,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:17:09,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1210389367, now seen corresponding path program 1 times [2019-12-07 15:17:09,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:17:09,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731482170] [2019-12-07 15:17:09,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 15:17:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:17:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:17:10,507 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 15:17:10,507 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:17:10,707 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:17:10,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:17:10 BoogieIcfgContainer [2019-12-07 15:17:10,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:17:10,751 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:17:10,751 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:17:10,752 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:17:10,752 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:11:57" (3/4) ... [2019-12-07 15:17:10,753 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 15:17:10,806 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e580d001-b426-4e3e-ade2-15e126aa0da8/bin/uautomizer/witness.graphml [2019-12-07 15:17:10,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:17:10,807 INFO L168 Benchmark]: Toolchain (without parser) took 349943.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.4 MB in the beginning and 892.1 MB in the end (delta: 60.3 MB). Peak memory consumption was 205.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:17:10,807 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:17:10,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:17:10,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:17:10,808 INFO L168 Benchmark]: Boogie Preprocessor took 51.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:17:10,808 INFO L168 Benchmark]: RCFGBuilder took 35838.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.8 MB). Peak memory consumption was 80.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:17:10,808 INFO L168 Benchmark]: TraceAbstraction took 313679.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.7 MB). Free memory was 1.0 GB in the beginning and 904.5 MB in the end (delta: 124.5 MB). Peak memory consumption was 128.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:17:10,808 INFO L168 Benchmark]: Witness Printer took 54.37 ms. Allocated memory is still 1.2 GB. Free memory was 898.3 MB in the beginning and 892.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:17:10,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 35838.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.8 MB). Peak memory consumption was 80.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 313679.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.7 MB). Free memory was 1.0 GB in the beginning and 904.5 MB in the end (delta: 124.5 MB). Peak memory consumption was 128.2 MB. Max. memory is 11.5 GB. * Witness Printer took 54.37 ms. Allocated memory is still 1.2 GB. Free memory was 898.3 MB in the beginning and 892.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 262]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = __VERIFIER_nondet_double(); [L254] double y = __VERIFIER_nondet_double(); [L245] return x != x; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] isnan_double(x) || isnan_double(y) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] COND TRUE isnan_double(x) || isnan_double(y) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L168] COND TRUE (iy | ly) == 0 [L170] case 0: VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L171] case 1: [L172] return y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L258] double res = __ieee754_atan2(y, x); [L245] return x != x; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L261] COND TRUE !isnan_double(res) [L262] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Result: UNSAFE, OverallTime: 313.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 296.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 651 SDtfs, 3178 SDslu, 3697 SDs, 0 SdLazy, 816 SolverSat, 47 SolverUnsat, 62 SolverUnknown, 0 SolverNotchecked, 267.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 25.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 320 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 128 ConstructedInterpolants, 43 QuantifiedInterpolants, 16456 SizeOfPredicates, 45 NumberOfNonLiveVariables, 534 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...