./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6672245f6516202a276f3cff39e39bf6cfceaf3d ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6672245f6516202a276f3cff39e39bf6cfceaf3d ............................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:11:00,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:11:00,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:11:00,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:11:00,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:11:00,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:11:00,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:11:00,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:11:00,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:11:00,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:11:00,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:11:00,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:11:00,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:11:00,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:11:00,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:11:00,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:11:00,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:11:00,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:11:00,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:11:00,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:11:00,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:11:00,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:11:00,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:11:00,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:11:00,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:11:00,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:11:00,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:11:00,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:11:00,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:11:00,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:11:00,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:11:00,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:11:00,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:11:00,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:11:00,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:11:00,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:11:00,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:11:00,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:11:00,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:11:00,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:11:00,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:11:00,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:11:00,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:11:00,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:11:00,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:11:00,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:11:00,885 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:11:00,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:11:00,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:11:00,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:11:00,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:11:00,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:11:00,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:11:00,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:11:00,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:11:00,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:11:00,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:11:00,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:11:00,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:11:00,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:11:00,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:11:00,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:11:00,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:11:00,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:11:00,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:11:00,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:11:00,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:11:00,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:11:00,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:11:00,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:11:00,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:11:00,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6672245f6516202a276f3cff39e39bf6cfceaf3d [2019-12-07 17:11:00,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:11:00,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:11:01,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:11:01,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:11:01,003 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:11:01,003 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2019-12-07 17:11:01,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data/b3b12b6f8/b1857747921241d59df766c4945b7e05/FLAG34a5e4107 [2019-12-07 17:11:01,376 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:11:01,377 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2019-12-07 17:11:01,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data/b3b12b6f8/b1857747921241d59df766c4945b7e05/FLAG34a5e4107 [2019-12-07 17:11:01,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data/b3b12b6f8/b1857747921241d59df766c4945b7e05 [2019-12-07 17:11:01,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:11:01,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:11:01,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:11:01,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:11:01,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:11:01,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326f0e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01, skipping insertion in model container [2019-12-07 17:11:01,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:11:01,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:11:01,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:11:01,602 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:11:01,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:11:01,652 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:11:01,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01 WrapperNode [2019-12-07 17:11:01,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:11:01,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:11:01,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:11:01,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:11:01,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:11:01,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:11:01,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:11:01,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:11:01,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... [2019-12-07 17:11:01,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:11:01,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:11:01,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:11:01,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:11:01,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:11:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:11:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:11:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:11:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:11:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:11:01,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:11:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:11:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 17:11:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:11:02,155 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:11:02,156 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 17:11:02,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:11:02 BoogieIcfgContainer [2019-12-07 17:11:02,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:11:02,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:11:02,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:11:02,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:11:02,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:11:01" (1/3) ... [2019-12-07 17:11:02,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d358e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:11:02, skipping insertion in model container [2019-12-07 17:11:02,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:01" (2/3) ... [2019-12-07 17:11:02,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d358e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:11:02, skipping insertion in model container [2019-12-07 17:11:02,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:11:02" (3/3) ... [2019-12-07 17:11:02,161 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2019-12-07 17:11:02,168 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:11:02,172 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:11:02,180 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:11:02,196 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:11:02,196 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:11:02,196 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:11:02,196 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:11:02,196 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:11:02,196 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:11:02,197 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:11:02,197 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:11:02,208 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 17:11:02,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:11:02,212 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:11:02,213 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:11:02,213 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:11:02,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:11:02,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 17:11:02,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:11:02,223 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121957896] [2019-12-07 17:11:02,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:11:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:11:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:11:02,318 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121957896] [2019-12-07 17:11:02,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:11:02,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:11:02,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892103920] [2019-12-07 17:11:02,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:11:02,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:11:02,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:11:02,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:11:02,332 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 17:11:02,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:11:02,352 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 17:11:02,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:11:02,353 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 17:11:02,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:11:02,361 INFO L225 Difference]: With dead ends: 224 [2019-12-07 17:11:02,361 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 17:11:02,363 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:11:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 17:11:02,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 17:11:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 17:11:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 17:11:02,392 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 17:11:02,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:11:02,392 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 17:11:02,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:11:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 17:11:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 17:11:02,393 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:11:02,393 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:11:02,393 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:11:02,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:11:02,393 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 17:11:02,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:11:02,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483885147] [2019-12-07 17:11:02,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:11:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:11:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:11:02,490 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:11:02,490 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:11:02,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:11:02 BoogieIcfgContainer [2019-12-07 17:11:02,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:11:02,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:11:02,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:11:02,517 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:11:02,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:11:02" (3/4) ... [2019-12-07 17:11:02,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:11:02,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:11:02,521 INFO L168 Benchmark]: Toolchain (without parser) took 1127.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 942.5 MB in the beginning and 1.0 GB in the end (delta: -72.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:02,522 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:11:02,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:02,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:02,523 INFO L168 Benchmark]: Boogie Preprocessor took 39.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:11:02,523 INFO L168 Benchmark]: RCFGBuilder took 423.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:02,524 INFO L168 Benchmark]: TraceAbstraction took 359.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:02,524 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:11:02,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 423.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 359.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 256]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 251, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 255. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L251] double x = -0.0; [L252] double y = 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 17:11:03,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:11:03,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:11:03,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:11:03,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:11:03,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:11:03,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:11:03,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:11:03,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:11:03,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:11:03,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:11:03,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:11:03,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:11:03,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:11:03,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:11:03,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:11:03,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:11:03,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:11:03,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:11:03,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:11:03,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:11:03,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:11:03,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:11:03,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:11:03,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:11:03,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:11:03,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:11:03,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:11:03,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:11:03,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:11:03,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:11:03,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:11:03,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:11:03,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:11:03,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:11:03,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:11:03,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:11:03,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:11:03,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:11:03,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:11:03,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:11:03,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:11:03,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:11:03,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:11:03,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:11:03,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:11:03,873 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:11:03,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:11:03,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:11:03,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:11:03,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:11:03,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:11:03,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:11:03,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:11:03,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:11:03,875 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:11:03,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:11:03,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:11:03,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:11:03,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:11:03,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:11:03,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:11:03,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:11:03,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:11:03,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:11:03,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:11:03,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:11:03,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:11:03,876 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:11:03,876 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:11:03,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:11:03,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:11:03,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:11:03,877 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6672245f6516202a276f3cff39e39bf6cfceaf3d [2019-12-07 17:11:04,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:11:04,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:11:04,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:11:04,049 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:11:04,050 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:11:04,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2019-12-07 17:11:04,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data/aac098ffd/37219f1dacc5425aa49a51f7973d56a6/FLAGc7ea4188a [2019-12-07 17:11:04,521 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:11:04,522 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2019-12-07 17:11:04,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data/aac098ffd/37219f1dacc5425aa49a51f7973d56a6/FLAGc7ea4188a [2019-12-07 17:11:04,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/data/aac098ffd/37219f1dacc5425aa49a51f7973d56a6 [2019-12-07 17:11:04,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:11:04,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:11:04,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:11:04,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:11:04,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:11:04,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:11:04" (1/1) ... [2019-12-07 17:11:04,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453566ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:04, skipping insertion in model container [2019-12-07 17:11:04,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:11:04" (1/1) ... [2019-12-07 17:11:04,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:11:04,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:11:05,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:11:05,076 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:11:05,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:11:05,164 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:11:05,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05 WrapperNode [2019-12-07 17:11:05,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:11:05,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:11:05,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:11:05,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:11:05,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:11:05,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:11:05,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:11:05,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:11:05,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... [2019-12-07 17:11:05,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:11:05,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:11:05,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:11:05,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:11:05,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:11:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 17:11:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 17:11:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:11:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 17:11:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:11:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:11:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:11:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:11:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:11:41,947 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:11:41,947 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 17:11:41,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:11:41 BoogieIcfgContainer [2019-12-07 17:11:41,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:11:41,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:11:41,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:11:41,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:11:41,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:11:04" (1/3) ... [2019-12-07 17:11:41,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b87f7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:11:41, skipping insertion in model container [2019-12-07 17:11:41,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:11:05" (2/3) ... [2019-12-07 17:11:41,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b87f7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:11:41, skipping insertion in model container [2019-12-07 17:11:41,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:11:41" (3/3) ... [2019-12-07 17:11:41,953 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2019-12-07 17:11:41,959 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:11:41,964 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:11:41,971 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:11:41,987 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:11:41,987 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:11:41,987 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:11:41,987 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:11:41,988 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:11:41,988 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:11:41,988 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:11:41,988 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:11:42,000 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 17:11:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:11:42,003 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:11:42,004 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:11:42,004 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:11:42,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:11:42,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 17:11:42,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:11:42,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963161493] [2019-12-07 17:11:42,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 17:11:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:11:42,337 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:11:42,341 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:11:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:11:42,353 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:11:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:11:42,356 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963161493] [2019-12-07 17:11:42,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:11:42,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:11:42,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58719466] [2019-12-07 17:11:42,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:11:42,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:11:42,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:11:42,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:11:42,374 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 17:11:42,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:11:42,395 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 17:11:42,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:11:42,396 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 17:11:42,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:11:42,406 INFO L225 Difference]: With dead ends: 224 [2019-12-07 17:11:42,406 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 17:11:42,409 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:11:42,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 17:11:42,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 17:11:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 17:11:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 17:11:42,444 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 17:11:42,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:11:42,444 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 17:11:42,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:11:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 17:11:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 17:11:42,445 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:11:42,445 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:11:42,646 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:11:42,646 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:11:42,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:11:42,647 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 17:11:42,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:11:42,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391423240] [2019-12-07 17:11:42,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 17:11:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:11:43,032 INFO L264 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 17:11:43,035 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:11:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:11:43,208 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:11:43,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:11:43,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:11:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:11:43,636 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391423240] [2019-12-07 17:11:43,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:11:43,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 17:11:43,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032390473] [2019-12-07 17:11:43,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 17:11:43,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:11:43,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 17:11:43,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 17:11:43,639 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand 12 states. [2019-12-07 17:11:45,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:11:45,251 INFO L93 Difference]: Finished difference Result 161 states and 226 transitions. [2019-12-07 17:11:45,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:11:45,252 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2019-12-07 17:11:45,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:11:45,254 INFO L225 Difference]: With dead ends: 161 [2019-12-07 17:11:45,254 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 17:11:45,255 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-12-07 17:11:45,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 17:11:45,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 17:11:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 17:11:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2019-12-07 17:11:45,266 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 12 [2019-12-07 17:11:45,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:11:45,267 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2019-12-07 17:11:45,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 17:11:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2019-12-07 17:11:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 17:11:45,268 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:11:45,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:11:45,468 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:11:45,469 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:11:45,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:11:45,470 INFO L82 PathProgramCache]: Analyzing trace with hash 810615587, now seen corresponding path program 1 times [2019-12-07 17:11:45,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:11:45,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084164429] [2019-12-07 17:11:45,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 17:11:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:11:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:11:46,697 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:11:46,697 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:11:46,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:11:46,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:11:46 BoogieIcfgContainer [2019-12-07 17:11:46,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:11:46,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:11:46,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:11:46,981 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:11:46,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:11:41" (3/4) ... [2019-12-07 17:11:46,984 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:11:47,051 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4cffef7d-0532-4336-8ea3-d228cdd15cc6/bin/uautomizer/witness.graphml [2019-12-07 17:11:47,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:11:47,053 INFO L168 Benchmark]: Toolchain (without parser) took 42171.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.4 MB in the beginning and 870.2 MB in the end (delta: 82.2 MB). Peak memory consumption was 209.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:47,054 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:11:47,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:47,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:47,055 INFO L168 Benchmark]: Boogie Preprocessor took 43.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:11:47,055 INFO L168 Benchmark]: RCFGBuilder took 36696.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:47,056 INFO L168 Benchmark]: TraceAbstraction took 5032.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 876.9 MB in the end (delta: 147.5 MB). Peak memory consumption was 147.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:47,056 INFO L168 Benchmark]: Witness Printer took 70.75 ms. Allocated memory is still 1.2 GB. Free memory was 876.9 MB in the beginning and 870.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:11:47,058 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 36696.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5032.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 876.9 MB in the end (delta: 147.5 MB). Peak memory consumption was 147.5 MB. Max. memory is 11.5 GB. * Witness Printer took 70.75 ms. Allocated memory is still 1.2 GB. Free memory was 876.9 MB in the beginning and 870.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 256]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L251] double x = -0.0; [L252] double y = 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L168] COND FALSE !((iy | ly) == 0) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L180] COND TRUE (ix | lx) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L181] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L181] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != pi VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 612 SDslu, 13 SDs, 0 SdLazy, 30 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 13 QuantifiedInterpolants, 4947 SizeOfPredicates, 16 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...