./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.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_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/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 affc33a17eeaac5bbef8bea17cfba29382789d60 ........................................................................................................................................................................................................................................................................................................................... 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_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/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 affc33a17eeaac5bbef8bea17cfba29382789d60 .......................................................................................................................................................................................................................................................................................................................................... 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 10:48:09,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:48:09,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:48:09,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:48:09,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:48:09,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:48:09,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:48:09,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:48:09,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:48:09,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:48:09,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:48:09,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:48:09,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:48:09,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:48:09,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:48:09,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:48:09,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:48:09,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:48:09,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:48:09,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:48:09,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:48:09,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:48:09,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:48:09,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:48:09,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:48:09,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:48:09,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:48:09,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:48:09,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:48:09,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:48:09,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:48:09,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:48:09,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:48:09,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:48:09,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:48:09,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:48:09,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:48:09,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:48:09,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:48:09,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:48:09,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:48:09,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:48:09,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:48:09,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:48:09,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:48:09,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:48:09,715 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:48:09,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:48:09,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:48:09,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:48:09,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:48:09,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:48:09,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:48:09,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:48:09,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:48:09,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:48:09,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:48:09,716 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:48:09,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:48:09,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:48:09,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:48:09,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:48:09,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:48:09,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:48:09,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:48:09,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:48:09,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:48:09,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:48:09,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:48:09,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:48:09,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:48:09,717 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_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/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 -> affc33a17eeaac5bbef8bea17cfba29382789d60 [2019-12-07 10:48:09,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:48:09,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:48:09,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:48:09,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:48:09,829 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:48:09,830 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2019-12-07 10:48:09,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data/40cd2645d/4fdddcfa460e4c3b8f53992e3f03969b/FLAG8b57be8c6 [2019-12-07 10:48:10,308 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:48:10,308 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2019-12-07 10:48:10,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data/40cd2645d/4fdddcfa460e4c3b8f53992e3f03969b/FLAG8b57be8c6 [2019-12-07 10:48:10,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data/40cd2645d/4fdddcfa460e4c3b8f53992e3f03969b [2019-12-07 10:48:10,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:48:10,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:48:10,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:48:10,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:48:10,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:48:10,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:10,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39463579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10, skipping insertion in model container [2019-12-07 10:48:10,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:10,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:48:10,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:48:10,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:48:10,885 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:48:10,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:48:10,940 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:48:10,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10 WrapperNode [2019-12-07 10:48:10,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:48:10,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:48:10,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:48:10,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:48:10,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:10,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:10,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:48:10,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:48:10,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:48:10,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:48:10,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:10,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:10,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:10,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:11,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:11,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:11,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... [2019-12-07 10:48:11,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:48:11,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:48:11,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:48:11,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:48:11,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/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 10:48:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:48:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 10:48:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:48:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 10:48:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:48:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:48:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:48:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 10:48:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:48:11,479 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:48:11,479 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-07 10:48:11,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:11 BoogieIcfgContainer [2019-12-07 10:48:11,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:48:11,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:48:11,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:48:11,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:48:11,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:48:10" (1/3) ... [2019-12-07 10:48:11,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79780043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:48:11, skipping insertion in model container [2019-12-07 10:48:11,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:10" (2/3) ... [2019-12-07 10:48:11,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79780043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:48:11, skipping insertion in model container [2019-12-07 10:48:11,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:11" (3/3) ... [2019-12-07 10:48:11,486 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2019-12-07 10:48:11,492 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:48:11,497 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:48:11,505 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:48:11,522 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:48:11,522 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:48:11,522 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:48:11,522 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:48:11,522 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:48:11,523 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:48:11,523 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:48:11,523 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:48:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-12-07 10:48:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 10:48:11,540 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:48:11,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:48:11,541 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:48:11,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:48:11,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2019-12-07 10:48:11,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:48:11,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705162692] [2019-12-07 10:48:11,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:48:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:48:11,648 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 10:48:11,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705162692] [2019-12-07 10:48:11,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:48:11,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:48:11,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079459926] [2019-12-07 10:48:11,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:48:11,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:48:11,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:48:11,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:48:11,664 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-12-07 10:48:11,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:48:11,684 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2019-12-07 10:48:11,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:48:11,685 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 10:48:11,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:48:11,692 INFO L225 Difference]: With dead ends: 237 [2019-12-07 10:48:11,692 INFO L226 Difference]: Without dead ends: 116 [2019-12-07 10:48:11,695 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 10:48:11,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-07 10:48:11,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-12-07 10:48:11,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-07 10:48:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2019-12-07 10:48:11,723 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2019-12-07 10:48:11,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:48:11,723 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-12-07 10:48:11,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:48:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2019-12-07 10:48:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 10:48:11,724 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:48:11,724 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:48:11,724 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:48:11,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:48:11,724 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2019-12-07 10:48:11,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:48:11,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557160330] [2019-12-07 10:48:11,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:48:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:48:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:48:11,814 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:48:11,814 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:48:11,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:48:11 BoogieIcfgContainer [2019-12-07 10:48:11,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:48:11,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:48:11,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:48:11,845 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:48:11,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:11" (3/4) ... [2019-12-07 10:48:11,847 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:48:11,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:48:11,849 INFO L168 Benchmark]: Toolchain (without parser) took 1185.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -79.4 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:11,849 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:48:11,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:11,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.80 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 10:48:11,850 INFO L168 Benchmark]: Boogie Preprocessor took 42.29 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:11,851 INFO L168 Benchmark]: RCFGBuilder took 454.95 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: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:11,851 INFO L168 Benchmark]: TraceAbstraction took 362.94 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:11,851 INFO L168 Benchmark]: Witness Printer took 2.89 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 10:48:11,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.80 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. * Boogie Preprocessor took 42.29 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 454.95 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: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 362.94 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 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: 271]: 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 265, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 270. 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] [L264] double x = __VERIFIER_nondet_double(); [L265] double y = -0.0; 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] [L267] COND TRUE x > 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] [L268] double res = __ieee754_atan2(y, x); [L270] EXPR res == -0.0 && __signbit_double(res) == 1 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] [L270] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L271] __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, 120 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 170 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=120occurred 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 10:48:13,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:48:13,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:48:13,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:48:13,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:48:13,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:48:13,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:48:13,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:48:13,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:48:13,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:48:13,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:48:13,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:48:13,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:48:13,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:48:13,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:48:13,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:48:13,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:48:13,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:48:13,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:48:13,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:48:13,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:48:13,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:48:13,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:48:13,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:48:13,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:48:13,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:48:13,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:48:13,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:48:13,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:48:13,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:48:13,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:48:13,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:48:13,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:48:13,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:48:13,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:48:13,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:48:13,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:48:13,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:48:13,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:48:13,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:48:13,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:48:13,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 10:48:13,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:48:13,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:48:13,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:48:13,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:48:13,279 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:48:13,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:48:13,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:48:13,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:48:13,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:48:13,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:48:13,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:48:13,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:48:13,280 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:48:13,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:48:13,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:48:13,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:48:13,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:48:13,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:48:13,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:48:13,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:48:13,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:48:13,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:48:13,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:48:13,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:48:13,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:48:13,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:48:13,283 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:48:13,283 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:48:13,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:48:13,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:48:13,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:48:13,284 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_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/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 -> affc33a17eeaac5bbef8bea17cfba29382789d60 [2019-12-07 10:48:13,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:48:13,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:48:13,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:48:13,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:48:13,469 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:48:13,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2019-12-07 10:48:13,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data/591cd145a/84d741cfeef14308bf9ad40d22fa0f4c/FLAG8bc32d237 [2019-12-07 10:48:13,975 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:48:13,975 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2019-12-07 10:48:13,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data/591cd145a/84d741cfeef14308bf9ad40d22fa0f4c/FLAG8bc32d237 [2019-12-07 10:48:14,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/data/591cd145a/84d741cfeef14308bf9ad40d22fa0f4c [2019-12-07 10:48:14,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:48:14,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:48:14,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:48:14,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:48:14,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:48:14,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f52125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14, skipping insertion in model container [2019-12-07 10:48:14,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:48:14,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:48:14,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:48:14,683 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:48:14,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:48:14,774 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:48:14,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14 WrapperNode [2019-12-07 10:48:14,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:48:14,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:48:14,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:48:14,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:48:14,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:48:14,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:48:14,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:48:14,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:48:14,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... [2019-12-07 10:48:14,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:48:14,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:48:14,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:48:14,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:48:14,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/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 10:48:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 10:48:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 10:48:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:48:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 10:48:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 10:48:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:48:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:48:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:48:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:48:52,239 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:48:52,239 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-07 10:48:52,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:52 BoogieIcfgContainer [2019-12-07 10:48:52,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:48:52,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:48:52,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:48:52,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:48:52,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:48:14" (1/3) ... [2019-12-07 10:48:52,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e49c9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:48:52, skipping insertion in model container [2019-12-07 10:48:52,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:14" (2/3) ... [2019-12-07 10:48:52,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e49c9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:48:52, skipping insertion in model container [2019-12-07 10:48:52,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:52" (3/3) ... [2019-12-07 10:48:52,245 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2019-12-07 10:48:52,251 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:48:52,256 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:48:52,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:48:52,279 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:48:52,279 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:48:52,279 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:48:52,280 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:48:52,280 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:48:52,280 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:48:52,280 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:48:52,280 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:48:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-12-07 10:48:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 10:48:52,296 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:48:52,296 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:48:52,297 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:48:52,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:48:52,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2019-12-07 10:48:52,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:48:52,308 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184577906] [2019-12-07 10:48:52,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/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 10:48:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:48:52,621 INFO L264 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:48:52,625 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:48:52,636 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 10:48:52,636 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:48:52,638 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 10:48:52,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184577906] [2019-12-07 10:48:52,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:48:52,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:48:52,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185648231] [2019-12-07 10:48:52,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:48:52,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:48:52,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:48:52,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:48:52,654 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-12-07 10:48:52,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:48:52,675 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2019-12-07 10:48:52,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:48:52,676 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 10:48:52,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:48:52,685 INFO L225 Difference]: With dead ends: 237 [2019-12-07 10:48:52,685 INFO L226 Difference]: Without dead ends: 116 [2019-12-07 10:48:52,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 10:48:52,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-07 10:48:52,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-12-07 10:48:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-12-07 10:48:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2019-12-07 10:48:52,717 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2019-12-07 10:48:52,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:48:52,718 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-12-07 10:48:52,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:48:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2019-12-07 10:48:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 10:48:52,718 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:48:52,719 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:48:52,919 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:48:52,920 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:48:52,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:48:52,921 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2019-12-07 10:48:52,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:48:52,924 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843330668] [2019-12-07 10:48:52,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/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 10:48:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:48:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:48:54,177 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 10:48:54,177 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:48:54,379 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:48:54,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:48:54 BoogieIcfgContainer [2019-12-07 10:48:54,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:48:54,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:48:54,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:48:54,449 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:48:54,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:52" (3/4) ... [2019-12-07 10:48:54,451 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 10:48:54,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aa68d0bb-7067-457c-a05c-25a3eb93a4f8/bin/uautomizer/witness.graphml [2019-12-07 10:48:54,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:48:54,505 INFO L168 Benchmark]: Toolchain (without parser) took 40004.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.0 MB in the beginning and 963.5 MB in the end (delta: -12.4 MB). Peak memory consumption was 124.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:54,505 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 10:48:54,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:54,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.53 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:54,506 INFO L168 Benchmark]: Boogie Preprocessor took 47.52 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:54,506 INFO L168 Benchmark]: RCFGBuilder took 37370.75 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: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:54,507 INFO L168 Benchmark]: TraceAbstraction took 2207.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 969.9 MB in the end (delta: 67.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:54,507 INFO L168 Benchmark]: Witness Printer took 54.05 ms. Allocated memory is still 1.2 GB. Free memory was 969.9 MB in the beginning and 963.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:54,509 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 274.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.53 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.52 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37370.75 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: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2207.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 969.9 MB in the end (delta: 67.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. * Witness Printer took 54.05 ms. Allocated memory is still 1.2 GB. Free memory was 969.9 MB in the beginning and 963.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 271]: 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] [L264] double x = __VERIFIER_nondet_double(); [L265] double y = -0.0; 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] [L267] COND TRUE x > 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 TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L268] double res = __ieee754_atan2(y, x); [L270] EXPR res == -0.0 && __signbit_double(res) == 1 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] [L270] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L271] __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, 120 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 103 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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...