./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a9e26b1bd5e8029428d44dc1b34e99aa980331c ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a9e26b1bd5e8029428d44dc1b34e99aa980331c ................................................................................................................................................................................................................................................................................................................................................ 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 0.2.0-a4ecdab [2020-11-29 18:16:08,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:16:08,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:16:08,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:16:08,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:16:08,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:16:08,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:16:08,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:16:08,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:16:08,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:16:08,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:16:08,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:16:08,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:16:08,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:16:08,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:16:08,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:16:08,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:16:08,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:16:08,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:16:08,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:16:08,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:16:08,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:16:08,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:16:08,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:16:08,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:16:08,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:16:08,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:16:08,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:16:08,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:16:08,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:16:08,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:16:08,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:16:08,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:16:08,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:16:08,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:16:08,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:16:08,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:16:08,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:16:08,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:16:08,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:16:08,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:16:08,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:16:08,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:16:08,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:16:08,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:16:08,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:16:08,905 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:16:08,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:16:08,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:16:08,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:16:08,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:16:08,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:16:08,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:16:08,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:16:08,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:16:08,907 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:16:08,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:16:08,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:16:08,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:16:08,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:16:08,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:16:08,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:16:08,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:16:08,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:16:08,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:16:08,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:16:08,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:16:08,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:16:08,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:16:08,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:16:08,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:16:08,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9e26b1bd5e8029428d44dc1b34e99aa980331c [2020-11-29 18:16:09,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:16:09,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:16:09,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:16:09,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:16:09,183 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:16:09,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-11-29 18:16:09,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data/a7126814b/b6a208ee326e4312a23d38fd2f55c305/FLAG81ec6cbc6 [2020-11-29 18:16:09,776 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:16:09,777 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-11-29 18:16:09,792 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data/a7126814b/b6a208ee326e4312a23d38fd2f55c305/FLAG81ec6cbc6 [2020-11-29 18:16:10,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data/a7126814b/b6a208ee326e4312a23d38fd2f55c305 [2020-11-29 18:16:10,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:16:10,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:16:10,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:16:10,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:16:10,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:16:10,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8bb6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10, skipping insertion in model container [2020-11-29 18:16:10,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:16:10,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:16:10,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:16:10,541 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:16:10,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:16:10,623 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:16:10,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10 WrapperNode [2020-11-29 18:16:10,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:16:10,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:16:10,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:16:10,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:16:10,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:16:10,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:16:10,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:16:10,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:16:10,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... [2020-11-29 18:16:10,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:16:10,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:16:10,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:16:10,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:16:10,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:16:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:16:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:16:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 18:16:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:16:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 18:16:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:16:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:16:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 18:16:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 18:16:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:16:12,084 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:16:12,086 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 18:16:12,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:12 BoogieIcfgContainer [2020-11-29 18:16:12,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:16:12,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:16:12,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:16:12,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:16:12,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:16:10" (1/3) ... [2020-11-29 18:16:12,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fffce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:16:12, skipping insertion in model container [2020-11-29 18:16:12,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:10" (2/3) ... [2020-11-29 18:16:12,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fffce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:16:12, skipping insertion in model container [2020-11-29 18:16:12,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:12" (3/3) ... [2020-11-29 18:16:12,098 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2020-11-29 18:16:12,109 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:16:12,113 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:16:12,130 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:16:12,169 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:16:12,169 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:16:12,169 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:16:12,170 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:16:12,170 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:16:12,170 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:16:12,170 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:16:12,170 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:16:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-29 18:16:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 18:16:12,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:16:12,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:16:12,190 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:16:12,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:16:12,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-11-29 18:16:12,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:16:12,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148380277] [2020-11-29 18:16:12,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:16:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:16:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:16:12,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148380277] [2020-11-29 18:16:12,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:16:12,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:16:12,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868171707] [2020-11-29 18:16:12,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:16:12,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:16:12,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:16:12,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:16:12,365 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-29 18:16:12,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:16:12,393 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-11-29 18:16:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:16:12,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-29 18:16:12,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:16:12,404 INFO L225 Difference]: With dead ends: 225 [2020-11-29 18:16:12,405 INFO L226 Difference]: Without dead ends: 110 [2020-11-29 18:16:12,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:16:12,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-29 18:16:12,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-29 18:16:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-29 18:16:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-11-29 18:16:12,455 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-11-29 18:16:12,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:16:12,455 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-11-29 18:16:12,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:16:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-11-29 18:16:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:16:12,457 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:16:12,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:16:12,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:16:12,457 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:16:12,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:16:12,458 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-11-29 18:16:12,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:16:12,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605356298] [2020-11-29 18:16:12,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:16:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:16:12,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:16:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:16:12,716 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:16:12,847 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:16:12,847 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:16:12,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:16:12,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:16:12 BoogieIcfgContainer [2020-11-29 18:16:12,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:16:12,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:16:12,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:16:12,970 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:16:12,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:12" (3/4) ... [2020-11-29 18:16:12,974 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:16:12,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:16:12,978 INFO L168 Benchmark]: Toolchain (without parser) took 2839.91 ms. Allocated memory was 117.4 MB in the beginning and 169.9 MB in the end (delta: 52.4 MB). Free memory was 90.6 MB in the beginning and 138.9 MB in the end (delta: -48.3 MB). Peak memory consumption was 256.1 kB. Max. memory is 16.1 GB. [2020-11-29 18:16:12,980 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 117.4 MB. Free memory is still 74.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:16:12,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.96 ms. Allocated memory was 117.4 MB in the beginning and 169.9 MB in the end (delta: 52.4 MB). Free memory was 90.6 MB in the beginning and 141.2 MB in the end (delta: -50.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:16:12,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.91 ms. Allocated memory is still 169.9 MB. Free memory was 140.8 MB in the beginning and 137.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:16:12,984 INFO L168 Benchmark]: Boogie Preprocessor took 112.88 ms. Allocated memory is still 169.9 MB. Free memory was 137.6 MB in the beginning and 133.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:16:12,985 INFO L168 Benchmark]: RCFGBuilder took 1285.87 ms. Allocated memory is still 169.9 MB. Free memory was 133.4 MB in the beginning and 81.5 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:16:12,987 INFO L168 Benchmark]: TraceAbstraction took 876.97 ms. Allocated memory is still 169.9 MB. Free memory was 81.0 MB in the beginning and 139.2 MB in the end (delta: -58.2 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:16:12,988 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 169.9 MB. Free memory was 139.2 MB in the beginning and 138.9 MB in the end (delta: 285.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:16:13,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 117.4 MB. Free memory is still 74.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 485.96 ms. Allocated memory was 117.4 MB in the beginning and 169.9 MB in the end (delta: 52.4 MB). Free memory was 90.6 MB in the beginning and 141.2 MB in the end (delta: -50.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.91 ms. Allocated memory is still 169.9 MB. Free memory was 140.8 MB in the beginning and 137.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.88 ms. Allocated memory is still 169.9 MB. Free memory was 137.6 MB in the beginning and 133.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1285.87 ms. Allocated memory is still 169.9 MB. Free memory was 133.4 MB in the beginning and 81.5 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 876.97 ms. Allocated memory is still 169.9 MB. Free memory was 81.0 MB in the beginning and 139.2 MB in the end (delta: -58.2 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.93 ms. Allocated memory is still 169.9 MB. Free memory was 139.2 MB in the beginning and 138.9 MB in the end (delta: 285.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] 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, }; [L62-L64] 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; [L141-L142] 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={11:0}, atanlo_atan={10:0}, 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 = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L3] __assert_fail("0", "double_req_bl_0685b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 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=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:16:15,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:16:15,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:16:15,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:16:15,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:16:15,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:16:15,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:16:15,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:16:15,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:16:15,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:16:15,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:16:15,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:16:15,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:16:15,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:16:15,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:16:15,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:16:15,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:16:15,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:16:15,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:16:15,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:16:15,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:16:15,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:16:15,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:16:15,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:16:15,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:16:15,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:16:15,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:16:15,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:16:15,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:16:15,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:16:15,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:16:15,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:16:15,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:16:15,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:16:15,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:16:15,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:16:15,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:16:15,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:16:15,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:16:15,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:16:15,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:16:15,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 18:16:15,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:16:15,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:16:15,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:16:15,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:16:15,591 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:16:15,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:16:15,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:16:15,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:16:15,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:16:15,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:16:15,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:16:15,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:16:15,593 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:16:15,593 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:16:15,593 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:16:15,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:16:15,594 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:16:15,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:16:15,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:16:15,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:16:15,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:16:15,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:16:15,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:16:15,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:16:15,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:16:15,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:16:15,596 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:16:15,596 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:16:15,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:16:15,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:16:15,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:16:15,597 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9e26b1bd5e8029428d44dc1b34e99aa980331c [2020-11-29 18:16:15,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:16:15,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:16:15,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:16:15,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:16:15,949 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:16:15,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-11-29 18:16:16,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data/a2e38f3be/614fcac94f8444eb81228c22197a3c0b/FLAGbd1be35d2 [2020-11-29 18:16:16,529 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:16:16,529 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-11-29 18:16:16,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data/a2e38f3be/614fcac94f8444eb81228c22197a3c0b/FLAGbd1be35d2 [2020-11-29 18:16:16,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/data/a2e38f3be/614fcac94f8444eb81228c22197a3c0b [2020-11-29 18:16:16,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:16:16,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:16:16,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:16:16,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:16:16,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:16:16,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:16:16" (1/1) ... [2020-11-29 18:16:16,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d71f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:16, skipping insertion in model container [2020-11-29 18:16:16,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:16:16" (1/1) ... [2020-11-29 18:16:16,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:16:16,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:16:17,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:16:17,218 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:16:17,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:16:17,417 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:16:17,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17 WrapperNode [2020-11-29 18:16:17,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:16:17,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:16:17,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:16:17,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:16:17,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:16:17,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:16:17,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:16:17,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:16:17,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... [2020-11-29 18:16:17,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:16:17,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:16:17,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:16:17,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:16:17,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:16:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 18:16:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 18:16:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 18:16:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:16:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-29 18:16:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 18:16:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:16:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:16:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 18:16:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:16:56,807 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:16:56,808 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 18:16:56,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:56 BoogieIcfgContainer [2020-11-29 18:16:56,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:16:56,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:16:56,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:16:56,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:16:56,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:16:16" (1/3) ... [2020-11-29 18:16:56,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120b8f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:16:56, skipping insertion in model container [2020-11-29 18:16:56,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:16:17" (2/3) ... [2020-11-29 18:16:56,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120b8f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:16:56, skipping insertion in model container [2020-11-29 18:16:56,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:56" (3/3) ... [2020-11-29 18:16:56,820 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2020-11-29 18:16:56,832 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:16:56,837 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:16:56,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:16:56,880 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:16:56,881 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:16:56,881 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:16:56,881 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:16:56,881 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:16:56,882 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:16:56,882 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:16:56,882 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:16:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-29 18:16:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 18:16:56,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:16:56,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:16:56,906 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:16:56,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:16:56,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-11-29 18:16:56,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:16:56,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935444249] [2020-11-29 18:16:56,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 18:16:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:16:57,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 18:16:57,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:16:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:16:57,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:16:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:16:57,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935444249] [2020-11-29 18:16:57,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:16:57,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 18:16:57,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743627722] [2020-11-29 18:16:57,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:16:57,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:16:57,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:16:57,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:16:57,548 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-29 18:16:57,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:16:57,582 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-11-29 18:16:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:16:57,583 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-29 18:16:57,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:16:57,593 INFO L225 Difference]: With dead ends: 225 [2020-11-29 18:16:57,593 INFO L226 Difference]: Without dead ends: 110 [2020-11-29 18:16:57,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:16:57,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-29 18:16:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-29 18:16:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-29 18:16:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-11-29 18:16:57,644 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-11-29 18:16:57,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:16:57,645 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-11-29 18:16:57,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:16:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-11-29 18:16:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:16:57,647 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:16:57,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:16:57,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 18:16:57,860 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:16:57,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:16:57,861 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-11-29 18:16:57,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:16:57,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843930324] [2020-11-29 18:16:57,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 18:16:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:16:58,853 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:16:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:16:59,758 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:16:59,890 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 18:16:59,890 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:17:00,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 18:17:00,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:17:00 BoogieIcfgContainer [2020-11-29 18:17:00,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:17:00,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:17:00,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:17:00,158 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:17:00,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:16:56" (3/4) ... [2020-11-29 18:17:00,161 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 18:17:00,228 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d27d68ba-8baf-4e3a-ba6c-af1f10407be8/bin/uautomizer/witness.graphml [2020-11-29 18:17:00,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:17:00,231 INFO L168 Benchmark]: Toolchain (without parser) took 43330.36 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 29.1 MB in the beginning and 38.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:00,243 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.7 MB in the end (delta: 25.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:17:00,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.26 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 44.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:00,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.13 ms. Allocated memory is still 65.0 MB. Free memory was 44.0 MB in the beginning and 40.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:00,246 INFO L168 Benchmark]: Boogie Preprocessor took 123.23 ms. Allocated memory is still 65.0 MB. Free memory was 40.5 MB in the beginning and 36.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:00,246 INFO L168 Benchmark]: RCFGBuilder took 39157.05 ms. Allocated memory is still 65.0 MB. Free memory was 36.6 MB in the beginning and 43.0 MB in the end (delta: -6.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:00,247 INFO L168 Benchmark]: TraceAbstraction took 3344.68 ms. Allocated memory is still 65.0 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 6.9 kB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:00,248 INFO L168 Benchmark]: Witness Printer took 71.13 ms. Allocated memory is still 65.0 MB. Free memory was 42.3 MB in the beginning and 38.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:17:00,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.7 MB in the end (delta: 25.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 518.26 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 44.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.13 ms. Allocated memory is still 65.0 MB. Free memory was 44.0 MB in the beginning and 40.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.23 ms. Allocated memory is still 65.0 MB. Free memory was 40.5 MB in the beginning and 36.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39157.05 ms. Allocated memory is still 65.0 MB. Free memory was 36.6 MB in the beginning and 43.0 MB in the end (delta: -6.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3344.68 ms. Allocated memory is still 65.0 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 6.9 kB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * Witness Printer took 71.13 ms. Allocated memory is still 65.0 MB. Free memory was 42.3 MB in the beginning and 38.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] 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, }; [L62-L64] 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; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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 = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L3] __assert_fail("0", "double_req_bl_0685b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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...