./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.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_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 baa80d60694a6a02d32fddddbbe44c204edcedd1 ........................................................................................................................................................................................................................................................................................................................ 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_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 baa80d60694a6a02d32fddddbbe44c204edcedd1 ............................................................................................................................................................................................................................................................................................................................................................................................... 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 17:29:29,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:29:29,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:29:30,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:29:30,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:29:30,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:29:30,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:29:30,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:29:30,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:29:30,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:29:30,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:29:30,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:29:30,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:29:30,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:29:30,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:29:30,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:29:30,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:29:30,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:29:30,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:29:30,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:29:30,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:29:30,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:29:30,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:29:30,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:29:30,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:29:30,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:29:30,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:29:30,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:29:30,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:29:30,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:29:30,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:29:30,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:29:30,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:29:30,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:29:30,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:29:30,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:29:30,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:29:30,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:29:30,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:29:30,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:29:30,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:29:30,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:29:30,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:29:30,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:29:30,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:29:30,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:29:30,035 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:29:30,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:29:30,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:29:30,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:29:30,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:29:30,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:29:30,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:29:30,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:29:30,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:29:30,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:29:30,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:29:30,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:29:30,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:29:30,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:29:30,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:29:30,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:29:30,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:29:30,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:29:30,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:29:30,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:29:30,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:29:30,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:29:30,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:29:30,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:29:30,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:29:30,038 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_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 -> baa80d60694a6a02d32fddddbbe44c204edcedd1 [2019-12-07 17:29:30,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:29:30,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:29:30,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:29:30,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:29:30,149 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:29:30,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-07 17:29:30,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data/222249407/909ec66092bf49a5bc79e9ddd5ea10ca/FLAG65e29dceb [2019-12-07 17:29:30,654 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:29:30,655 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-07 17:29:30,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data/222249407/909ec66092bf49a5bc79e9ddd5ea10ca/FLAG65e29dceb [2019-12-07 17:29:30,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data/222249407/909ec66092bf49a5bc79e9ddd5ea10ca [2019-12-07 17:29:30,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:29:30,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:29:30,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:29:30,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:29:30,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:29:30,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:30,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1d1bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30, skipping insertion in model container [2019-12-07 17:29:30,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:30,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:29:30,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:29:30,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:29:30,876 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:29:30,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:29:30,927 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:29:30,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30 WrapperNode [2019-12-07 17:29:30,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:29:30,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:29:30,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:29:30,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:29:30,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:30,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:30,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:29:30,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:29:30,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:29:30,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:29:30,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:30,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:30,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:30,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:30,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:31,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:31,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... [2019-12-07 17:29:31,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:29:31,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:29:31,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:29:31,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:29:31,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 17:29:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:29:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:29:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:29:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:29:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:29:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:29:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:29:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 17:29:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:29:31,457 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:29:31,457 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 17:29:31,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:31 BoogieIcfgContainer [2019-12-07 17:29:31,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:29:31,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:29:31,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:29:31,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:29:31,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:29:30" (1/3) ... [2019-12-07 17:29:31,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232d7761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:29:31, skipping insertion in model container [2019-12-07 17:29:31,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:30" (2/3) ... [2019-12-07 17:29:31,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232d7761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:29:31, skipping insertion in model container [2019-12-07 17:29:31,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:31" (3/3) ... [2019-12-07 17:29:31,463 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2019-12-07 17:29:31,469 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:29:31,473 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:29:31,480 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:29:31,496 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:29:31,496 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:29:31,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:29:31,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:29:31,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:29:31,496 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:29:31,496 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:29:31,497 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:29:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 17:29:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:29:31,512 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:29:31,512 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:31,512 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:29:31,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:31,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 17:29:31,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:31,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201334632] [2019-12-07 17:29:31,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:31,615 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 17:29:31,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201334632] [2019-12-07 17:29:31,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:29:31,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:29:31,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141496037] [2019-12-07 17:29:31,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:29:31,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:29:31,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:29:31,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:29:31,630 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 17:29:31,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:29:31,650 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 17:29:31,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:29:31,650 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 17:29:31,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:29:31,658 INFO L225 Difference]: With dead ends: 224 [2019-12-07 17:29:31,658 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 17:29:31,660 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 17:29:31,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 17:29:31,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 17:29:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 17:29:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 17:29:31,688 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 17:29:31,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:29:31,688 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 17:29:31,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:29:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 17:29:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 17:29:31,689 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:29:31,689 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:31,689 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:29:31,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:31,689 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 17:29:31,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:31,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194939763] [2019-12-07 17:29:31,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:31,785 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:31,785 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:29:31,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:29:31 BoogieIcfgContainer [2019-12-07 17:29:31,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:29:31,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:29:31,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:29:31,812 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:29:31,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:31" (3/4) ... [2019-12-07 17:29:31,815 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:29:31,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:29:31,816 INFO L168 Benchmark]: Toolchain (without parser) took 1144.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 938.0 MB in the beginning and 991.3 MB in the end (delta: -53.3 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:31,817 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:31,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:31,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:31,818 INFO L168 Benchmark]: Boogie Preprocessor took 43.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:31,818 INFO L168 Benchmark]: RCFGBuilder took 444.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:31,819 INFO L168 Benchmark]: TraceAbstraction took 353.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.3 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:31,819 INFO L168 Benchmark]: Witness Printer took 2.97 ms. Allocated memory is still 1.1 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:31,821 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 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 444.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 353.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.3 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 ms. Allocated memory is still 1.1 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 257]: 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 256. 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] [L254] double res = __ieee754_atan2(y, x); [L256] 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] [L257] __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 17:29:33,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:29:33,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:29:33,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:29:33,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:29:33,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:29:33,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:29:33,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:29:33,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:29:33,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:29:33,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:29:33,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:29:33,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:29:33,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:29:33,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:29:33,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:29:33,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:29:33,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:29:33,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:29:33,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:29:33,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:29:33,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:29:33,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:29:33,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:29:33,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:29:33,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:29:33,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:29:33,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:29:33,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:29:33,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:29:33,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:29:33,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:29:33,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:29:33,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:29:33,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:29:33,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:29:33,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:29:33,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:29:33,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:29:33,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:29:33,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:29:33,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:29:33,234 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:29:33,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:29:33,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:29:33,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:29:33,235 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:29:33,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:29:33,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:29:33,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:29:33,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:29:33,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:29:33,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:29:33,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:29:33,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:29:33,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:29:33,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:29:33,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:29:33,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:29:33,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:29:33,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:29:33,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:29:33,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:29:33,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:29:33,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:29:33,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:29:33,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:29:33,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:29:33,240 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:29:33,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:29:33,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:29:33,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:29:33,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:29:33,241 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_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 -> baa80d60694a6a02d32fddddbbe44c204edcedd1 [2019-12-07 17:29:33,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:29:33,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:29:33,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:29:33,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:29:33,425 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:29:33,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-07 17:29:33,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data/e667aefc3/b40b047c5279458285031a4a5122d110/FLAG00625e0c3 [2019-12-07 17:29:33,950 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:29:33,950 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-07 17:29:33,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data/e667aefc3/b40b047c5279458285031a4a5122d110/FLAG00625e0c3 [2019-12-07 17:29:33,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/data/e667aefc3/b40b047c5279458285031a4a5122d110 [2019-12-07 17:29:33,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:29:33,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:29:33,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:29:33,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:29:33,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:29:33,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:29:33" (1/1) ... [2019-12-07 17:29:33,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203973a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:33, skipping insertion in model container [2019-12-07 17:29:33,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:29:33" (1/1) ... [2019-12-07 17:29:33,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:29:33,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:29:34,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:29:34,143 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:29:34,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:29:34,232 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:29:34,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34 WrapperNode [2019-12-07 17:29:34,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:29:34,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:29:34,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:29:34,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:29:34,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:29:34,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:29:34,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:29:34,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:29:34,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... [2019-12-07 17:29:34,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:29:34,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:29:34,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:29:34,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:29:34,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 17:29:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 17:29:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 17:29:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:29:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 17:29:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:29:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:29:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:29:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:29:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:30:11,590 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:30:11,590 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 17:30:11,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:11 BoogieIcfgContainer [2019-12-07 17:30:11,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:30:11,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:30:11,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:30:11,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:30:11,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:29:33" (1/3) ... [2019-12-07 17:30:11,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75580eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:30:11, skipping insertion in model container [2019-12-07 17:30:11,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:34" (2/3) ... [2019-12-07 17:30:11,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75580eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:30:11, skipping insertion in model container [2019-12-07 17:30:11,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:11" (3/3) ... [2019-12-07 17:30:11,596 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2019-12-07 17:30:11,602 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:30:11,607 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:30:11,614 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:30:11,630 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:30:11,630 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:30:11,630 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:30:11,631 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:30:11,631 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:30:11,631 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:30:11,631 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:30:11,631 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:30:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 17:30:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:30:11,646 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:11,646 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:11,647 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:11,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:11,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 17:30:11,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:30:11,658 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553502451] [2019-12-07 17:30:11,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 17:30:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:11,967 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:30:11,971 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:11,982 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 17:30:11,982 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:30:11,985 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 17:30:11,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553502451] [2019-12-07 17:30:11,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:11,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:30:11,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984205692] [2019-12-07 17:30:11,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:30:11,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:30:11,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:30:11,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:30:12,000 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 17:30:12,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:12,021 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 17:30:12,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:30:12,022 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 17:30:12,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:12,031 INFO L225 Difference]: With dead ends: 224 [2019-12-07 17:30:12,031 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 17:30:12,033 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 17:30:12,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 17:30:12,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 17:30:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 17:30:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 17:30:12,063 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 17:30:12,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:12,064 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 17:30:12,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:30:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 17:30:12,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 17:30:12,064 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:12,064 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:30:12,265 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:30:12,266 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:12,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:12,267 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 17:30:12,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:30:12,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441272049] [2019-12-07 17:30:12,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 17:30:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:12,670 INFO L264 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 17:30:12,674 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:12,841 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 17:30:12,841 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:30:12,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:30:13,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:30:13,256 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 17:30:13,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441272049] [2019-12-07 17:30:13,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:30:13,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 17:30:13,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741310174] [2019-12-07 17:30:13,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 17:30:13,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:30:13,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 17:30:13,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 17:30:13,258 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand 12 states. [2019-12-07 17:30:15,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:30:15,603 INFO L93 Difference]: Finished difference Result 161 states and 226 transitions. [2019-12-07 17:30:15,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:30:15,604 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2019-12-07 17:30:15,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:30:15,606 INFO L225 Difference]: With dead ends: 161 [2019-12-07 17:30:15,606 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 17:30:15,607 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 17:30:15,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 17:30:15,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 17:30:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 17:30:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2019-12-07 17:30:15,616 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 12 [2019-12-07 17:30:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:30:15,616 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2019-12-07 17:30:15,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 17:30:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2019-12-07 17:30:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 17:30:15,617 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:30:15,617 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 17:30:15,818 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:30:15,819 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:30:15,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:15,820 INFO L82 PathProgramCache]: Analyzing trace with hash 808768545, now seen corresponding path program 1 times [2019-12-07 17:30:15,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:30:15,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233282201] [2019-12-07 17:30:15,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/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 17:30:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:17,100 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:30:17,100 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:30:17,301 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:30:17,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:30:17 BoogieIcfgContainer [2019-12-07 17:30:17,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:30:17,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:30:17,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:30:17,380 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:30:17,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:11" (3/4) ... [2019-12-07 17:30:17,383 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:30:17,447 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e4280fb9-8c27-40fc-8004-90e8d632cd90/bin/uautomizer/witness.graphml [2019-12-07 17:30:17,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:30:17,448 INFO L168 Benchmark]: Toolchain (without parser) took 43481.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.0 MB in the beginning and 884.5 MB in the end (delta: 66.5 MB). Peak memory consumption was 209.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:17,448 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 17:30:17,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:17,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.11 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:17,450 INFO L168 Benchmark]: Boogie Preprocessor took 43.25 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:17,450 INFO L168 Benchmark]: RCFGBuilder took 37272.18 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: 79.5 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:17,450 INFO L168 Benchmark]: TraceAbstraction took 5788.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 891.2 MB in the end (delta: 147.9 MB). Peak memory consumption was 147.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:17,450 INFO L168 Benchmark]: Witness Printer took 66.99 ms. Allocated memory is still 1.2 GB. Free memory was 891.2 MB in the beginning and 884.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:17,452 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 265.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.11 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.25 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37272.18 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: 79.5 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5788.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 891.2 MB in the end (delta: 147.9 MB). Peak memory consumption was 147.9 MB. Max. memory is 11.5 GB. * Witness Printer took 66.99 ms. Allocated memory is still 1.2 GB. Free memory was 891.2 MB in the beginning and 884.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 257]: 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; [L254] double res = __ieee754_atan2(y, x); [L256] 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] [L257] __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: 5.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 612 SDslu, 13 SDs, 0 SdLazy, 30 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s 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, 5024 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...