./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/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 8d94564205655c2e8fe6741648a4c146e2f9a3c8 ..................................................................................................................................................................................................................................................................................................................................... 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_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/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 8d94564205655c2e8fe6741648a4c146e2f9a3c8 .................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-69874e2 [2020-12-01 15:56:02,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:56:02,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:56:02,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:56:02,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:56:02,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:56:02,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:56:02,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:56:02,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:56:02,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:56:02,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:56:02,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:56:02,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:56:02,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:56:02,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:56:02,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:56:02,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:56:02,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:56:02,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:56:02,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:56:02,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:56:02,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:56:02,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:56:02,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:56:02,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:56:02,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:56:02,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:56:02,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:56:02,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:56:02,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:56:02,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:56:02,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:56:02,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:56:02,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:56:02,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:56:02,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:56:02,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:56:02,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:56:02,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:56:02,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:56:02,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:56:02,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:56:02,860 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:56:02,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:56:02,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:56:02,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:56:02,864 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:56:02,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:56:02,865 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:56:02,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:56:02,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:56:02,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:56:02,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:56:02,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:56:02,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:56:02,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:56:02,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:56:02,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:56:02,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:56:02,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:56:02,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:56:02,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:56:02,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:56:02,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:56:02,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:56:02,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:56:02,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:56:02,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:56:02,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:56:02,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:56:02,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:56:02,872 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_8c77036d-cdbf-42d6-bee3-3232eab20bd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-12-01 15:56:03,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:56:03,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:56:03,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:56:03,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:56:03,311 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:56:03,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-12-01 15:56:03,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data/daef31a9a/9bcd056dbbe540d5b3508c1174a00b9c/FLAG93bb15d55 [2020-12-01 15:56:04,051 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:56:04,051 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-12-01 15:56:04,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data/daef31a9a/9bcd056dbbe540d5b3508c1174a00b9c/FLAG93bb15d55 [2020-12-01 15:56:04,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data/daef31a9a/9bcd056dbbe540d5b3508c1174a00b9c [2020-12-01 15:56:04,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:56:04,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:56:04,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:56:04,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:56:04,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:56:04,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:04,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5e0ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04, skipping insertion in model container [2020-12-01 15:56:04,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:04,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:56:04,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:56:04,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:56:04,803 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:56:04,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:56:04,926 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:56:04,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04 WrapperNode [2020-12-01 15:56:04,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:56:04,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:56:04,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:56:04,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:56:04,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:04,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:05,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:56:05,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:56:05,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:56:05,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:56:05,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:05,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:05,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:05,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:05,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:05,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:05,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... [2020-12-01 15:56:05,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:56:05,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:56:05,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:56:05,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:56:05,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 15:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 15:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:56:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 15:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:56:06,612 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:56:06,612 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 15:56:06,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:56:06 BoogieIcfgContainer [2020-12-01 15:56:06,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:56:06,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:56:06,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:56:06,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:56:06,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:56:04" (1/3) ... [2020-12-01 15:56:06,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4188dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:56:06, skipping insertion in model container [2020-12-01 15:56:06,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:04" (2/3) ... [2020-12-01 15:56:06,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4188dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:56:06, skipping insertion in model container [2020-12-01 15:56:06,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:56:06" (3/3) ... [2020-12-01 15:56:06,627 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-12-01 15:56:06,648 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:56:06,653 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:56:06,667 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:56:06,720 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:56:06,720 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:56:06,720 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:56:06,720 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:56:06,721 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:56:06,721 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:56:06,721 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:56:06,721 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:56:06,752 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-12-01 15:56:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:56:06,763 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:56:06,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:56:06,765 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:56:06,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:56:06,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 15:56:06,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:56:06,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882790530] [2020-12-01 15:56:06,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:56:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:56:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:56:07,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882790530] [2020-12-01 15:56:07,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:56:07,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:56:07,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104733664] [2020-12-01 15:56:07,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:56:07,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:56:07,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:56:07,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:56:07,124 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-12-01 15:56:07,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:56:07,192 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-12-01 15:56:07,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:56:07,194 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 15:56:07,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:56:07,224 INFO L225 Difference]: With dead ends: 228 [2020-12-01 15:56:07,224 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 15:56:07,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:56:07,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 15:56:07,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 15:56:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 15:56:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 15:56:07,280 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 15:56:07,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:56:07,281 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 15:56:07,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:56:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 15:56:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:56:07,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:56:07,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:56:07,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:56:07,283 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:56:07,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:56:07,284 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 15:56:07,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:56:07,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259803741] [2020-12-01 15:56:07,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:56:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:56:07,418 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:56:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:56:07,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:56:07,565 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:56:07,565 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:56:07,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:56:07,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:56:07 BoogieIcfgContainer [2020-12-01 15:56:07,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:56:07,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:56:07,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:56:07,655 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:56:07,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:56:06" (3/4) ... [2020-12-01 15:56:07,660 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:56:07,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:56:07,664 INFO L168 Benchmark]: Toolchain (without parser) took 3308.93 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 62.5 MB in the beginning and 79.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:07,665 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 69.6 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:56:07,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.84 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 69.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:07,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.43 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 65.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:07,669 INFO L168 Benchmark]: Boogie Preprocessor took 129.80 ms. Allocated memory is still 96.5 MB. Free memory was 65.3 MB in the beginning and 62.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:07,671 INFO L168 Benchmark]: RCFGBuilder took 1465.18 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 49.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:07,673 INFO L168 Benchmark]: TraceAbstraction took 1035.54 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 49.3 MB in the beginning and 80.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:56:07,676 INFO L168 Benchmark]: Witness Printer took 6.03 ms. Allocated memory is still 130.0 MB. Free memory was 80.5 MB in the beginning and 79.9 MB in the end (delta: 636.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:56:07,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 69.6 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 573.84 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 69.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.43 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 65.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 129.80 ms. Allocated memory is still 96.5 MB. Free memory was 65.3 MB in the beginning and 62.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1465.18 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 49.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1035.54 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 49.3 MB in the beginning and 80.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. * Witness Printer took 6.03 ms. Allocated memory is still 130.0 MB. Free memory was 80.5 MB in the beginning and 79.9 MB in the end (delta: 636.8 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 bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 260. 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] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; 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] [L255] COND TRUE x < 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] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi 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_0660b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 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=116occurred 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, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 15:56:10,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:56:10,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:56:10,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:56:10,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:56:10,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:56:10,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:56:10,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:56:10,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:56:10,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:56:10,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:56:10,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:56:10,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:56:10,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:56:10,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:56:10,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:56:10,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:56:10,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:56:10,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:56:10,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:56:10,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:56:10,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:56:10,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:56:10,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:56:10,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:56:10,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:56:10,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:56:10,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:56:10,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:56:10,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:56:10,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:56:10,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:56:10,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:56:10,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:56:10,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:56:10,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:56:10,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:56:10,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:56:10,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:56:10,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:56:10,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:56:10,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 15:56:10,878 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:56:10,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:56:10,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:56:10,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:56:10,883 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:56:10,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:56:10,883 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:56:10,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:56:10,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:56:10,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:56:10,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:56:10,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:56:10,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:56:10,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:56:10,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:56:10,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:56:10,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:56:10,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:56:10,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:56:10,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:56:10,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:56:10,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:56:10,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:56:10,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:56:10,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:56:10,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:56:10,889 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:56:10,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:56:10,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:56:10,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:56:10,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:56:10,890 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_8c77036d-cdbf-42d6-bee3-3232eab20bd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-12-01 15:56:11,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:56:11,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:56:11,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:56:11,396 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:56:11,397 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:56:11,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-12-01 15:56:11,485 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data/3c57bc9d1/8224006f302b475380e59b4c440de20c/FLAG6df252255 [2020-12-01 15:56:12,230 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:56:12,244 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-12-01 15:56:12,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data/3c57bc9d1/8224006f302b475380e59b4c440de20c/FLAG6df252255 [2020-12-01 15:56:12,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/data/3c57bc9d1/8224006f302b475380e59b4c440de20c [2020-12-01 15:56:12,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:56:12,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:56:12,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:56:12,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:56:12,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:56:12,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:56:12" (1/1) ... [2020-12-01 15:56:12,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a180ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:12, skipping insertion in model container [2020-12-01 15:56:12,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:56:12" (1/1) ... [2020-12-01 15:56:12,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:56:12,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:56:12,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:56:12,858 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:56:12,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:56:13,009 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:56:13,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13 WrapperNode [2020-12-01 15:56:13,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:56:13,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:56:13,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:56:13,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:56:13,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:56:13,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:56:13,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:56:13,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:56:13,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... [2020-12-01 15:56:13,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:56:13,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:56:13,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:56:13,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:56:13,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:56:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 15:56:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 15:56:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 15:56:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:56:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 15:56:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 15:56:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:56:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:56:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 15:56:13,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:57:05,564 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:57:05,564 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 15:57:05,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:57:05 BoogieIcfgContainer [2020-12-01 15:57:05,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:57:05,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:57:05,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:57:05,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:57:05,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:56:12" (1/3) ... [2020-12-01 15:57:05,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152beb57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:57:05, skipping insertion in model container [2020-12-01 15:57:05,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:56:13" (2/3) ... [2020-12-01 15:57:05,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152beb57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:57:05, skipping insertion in model container [2020-12-01 15:57:05,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:57:05" (3/3) ... [2020-12-01 15:57:05,579 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-12-01 15:57:05,593 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:57:05,596 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:57:05,607 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:57:05,632 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:57:05,632 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:57:05,633 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:57:05,633 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:57:05,633 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:57:05,633 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:57:05,634 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:57:05,634 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:57:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-12-01 15:57:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:57:05,654 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:57:05,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:57:05,656 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:57:05,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:57:05,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 15:57:05,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:57:05,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814269060] [2020-12-01 15:57:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 15:57:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:57:06,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 15:57:06,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:57:06,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:57:06,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:57:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:57:06,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814269060] [2020-12-01 15:57:06,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:57:06,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 15:57:06,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553749759] [2020-12-01 15:57:06,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:57:06,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:57:06,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:57:06,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:57:06,160 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-12-01 15:57:06,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:57:06,190 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-12-01 15:57:06,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:57:06,192 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 15:57:06,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:57:06,229 INFO L225 Difference]: With dead ends: 228 [2020-12-01 15:57:06,229 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 15:57:06,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:57:06,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 15:57:06,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 15:57:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 15:57:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 15:57:06,273 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 15:57:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:57:06,273 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 15:57:06,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:57:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 15:57:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:57:06,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:57:06,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:57:06,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 15:57:06,494 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:57:06,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:57:06,495 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 15:57:06,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:57:06,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504851645] [2020-12-01 15:57:06,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 15:57:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:57:07,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:57:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:57:07,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:57:08,016 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 15:57:08,016 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:57:08,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 15:57:08,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:57:08 BoogieIcfgContainer [2020-12-01 15:57:08,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:57:08,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:57:08,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:57:08,303 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:57:08,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:57:05" (3/4) ... [2020-12-01 15:57:08,306 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 15:57:08,424 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8c77036d-cdbf-42d6-bee3-3232eab20bd9/bin/uautomizer/witness.graphml [2020-12-01 15:57:08,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:57:08,430 INFO L168 Benchmark]: Toolchain (without parser) took 55916.44 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 47.8 MB in the beginning and 67.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:08,430 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 67.1 MB. Free memory is still 48.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:57:08,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.77 ms. Allocated memory is still 67.1 MB. Free memory was 47.6 MB in the beginning and 48.3 MB in the end (delta: -675.4 kB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:08,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.54 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 44.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:08,433 INFO L168 Benchmark]: Boogie Preprocessor took 82.61 ms. Allocated memory is still 67.1 MB. Free memory was 44.4 MB in the beginning and 40.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:08,434 INFO L168 Benchmark]: RCFGBuilder took 52374.98 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 40.8 MB in the beginning and 68.3 MB in the end (delta: -27.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:08,435 INFO L168 Benchmark]: TraceAbstraction took 2733.36 ms. Allocated memory is still 92.3 MB. Free memory was 68.0 MB in the beginning and 37.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:08,435 INFO L168 Benchmark]: Witness Printer took 125.04 ms. Allocated memory is still 92.3 MB. Free memory was 37.7 MB in the beginning and 67.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:57:08,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 67.1 MB. Free memory is still 48.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 495.77 ms. Allocated memory is still 67.1 MB. Free memory was 47.6 MB in the beginning and 48.3 MB in the end (delta: -675.4 kB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.54 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 44.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.61 ms. Allocated memory is still 67.1 MB. Free memory was 44.4 MB in the beginning and 40.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 52374.98 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 40.8 MB in the beginning and 68.3 MB in the end (delta: -27.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2733.36 ms. Allocated memory is still 92.3 MB. Free memory was 68.0 MB in the beginning and 37.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * Witness Printer took 125.04 ms. Allocated memory is still 92.3 MB. Free memory was 37.7 MB in the beginning and 67.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 3.6 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] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; 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] [L255] COND TRUE x < 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] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi 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_0660b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 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...