./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.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_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/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 f884ccf2da0c4c4f4df1be4e75875f554c398438 ........................................................................................................................................................................................................................................................................................................................ 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_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/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 f884ccf2da0c4c4f4df1be4e75875f554c398438 ....................................................................................................................................................................................................................................................................................................................................... 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 12:05:54,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:05:54,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:05:54,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:05:54,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:05:54,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:05:54,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:05:54,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:05:54,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:05:54,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:05:54,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:05:54,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:05:54,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:05:54,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:05:54,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:05:54,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:05:54,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:05:54,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:05:54,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:05:54,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:05:54,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:05:54,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:05:54,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:05:54,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:05:54,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:05:54,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:05:54,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:05:54,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:05:54,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:05:54,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:05:54,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:05:54,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:05:54,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:05:54,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:05:54,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:05:54,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:05:54,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:05:54,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:05:54,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:05:54,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:05:54,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:05:54,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:05:54,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:05:54,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:05:54,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:05:54,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:05:54,485 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:05:54,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:05:54,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:05:54,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:05:54,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:05:54,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:05:54,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:05:54,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:05:54,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:05:54,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:05:54,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:05:54,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:05:54,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:05:54,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:05:54,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:05:54,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:05:54,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:05:54,488 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_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/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 -> f884ccf2da0c4c4f4df1be4e75875f554c398438 [2019-12-07 12:05:54,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:05:54,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:05:54,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:05:54,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:05:54,605 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:05:54,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2019-12-07 12:05:54,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data/58af33170/948a18d432a54b77aafd75b8cb1fc53e/FLAGfbe41f266 [2019-12-07 12:05:55,049 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:05:55,049 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2019-12-07 12:05:55,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data/58af33170/948a18d432a54b77aafd75b8cb1fc53e/FLAGfbe41f266 [2019-12-07 12:05:55,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data/58af33170/948a18d432a54b77aafd75b8cb1fc53e [2019-12-07 12:05:55,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:05:55,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:05:55,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:05:55,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:05:55,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:05:55,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62086694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55, skipping insertion in model container [2019-12-07 12:05:55,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:05:55,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:05:55,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:05:55,625 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:05:55,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:05:55,678 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:05:55,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55 WrapperNode [2019-12-07 12:05:55,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:05:55,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:05:55,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:05:55,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:05:55,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:05:55,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:05:55,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:05:55,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:05:55,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... [2019-12-07 12:05:55,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:05:55,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:05:55,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:05:55,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:05:55,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/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 12:05:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:05:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 12:05:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:05:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 12:05:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:05:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:05:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:05:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 12:05:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:05:56,200 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:05:56,200 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 12:05:56,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:05:56 BoogieIcfgContainer [2019-12-07 12:05:56,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:05:56,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:05:56,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:05:56,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:05:56,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:05:55" (1/3) ... [2019-12-07 12:05:56,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6562f0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:05:56, skipping insertion in model container [2019-12-07 12:05:56,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:55" (2/3) ... [2019-12-07 12:05:56,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6562f0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:05:56, skipping insertion in model container [2019-12-07 12:05:56,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:05:56" (3/3) ... [2019-12-07 12:05:56,206 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2019-12-07 12:05:56,212 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:05:56,217 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:05:56,224 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:05:56,240 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:05:56,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:05:56,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:05:56,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:05:56,240 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:05:56,240 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:05:56,240 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:05:56,240 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:05:56,251 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 12:05:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:05:56,255 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:05:56,256 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:05:56,256 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:05:56,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:05:56,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 12:05:56,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:05:56,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240747695] [2019-12-07 12:05:56,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:05:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:05:56,359 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 12:05:56,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240747695] [2019-12-07 12:05:56,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:05:56,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:05:56,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306612092] [2019-12-07 12:05:56,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:05:56,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:05:56,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:05:56,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:05:56,373 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 12:05:56,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:05:56,393 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 12:05:56,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:05:56,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 12:05:56,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:05:56,402 INFO L225 Difference]: With dead ends: 224 [2019-12-07 12:05:56,402 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 12:05:56,404 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 12:05:56,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 12:05:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 12:05:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 12:05:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 12:05:56,432 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 12:05:56,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:05:56,432 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 12:05:56,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:05:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 12:05:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:05:56,433 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:05:56,433 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:05:56,433 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:05:56,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:05:56,433 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 12:05:56,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:05:56,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851235851] [2019-12-07 12:05:56,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:05:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:05:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:05:56,527 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:05:56,527 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:05:56,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:05:56 BoogieIcfgContainer [2019-12-07 12:05:56,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:05:56,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:05:56,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:05:56,554 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:05:56,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:05:56" (3/4) ... [2019-12-07 12:05:56,557 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:05:56,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:05:56,558 INFO L168 Benchmark]: Toolchain (without parser) took 1133.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.9 MB in the beginning and 996.4 MB in the end (delta: -55.5 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:56,559 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:05:56,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:56,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.77 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:56,560 INFO L168 Benchmark]: Boogie Preprocessor took 42.13 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:56,561 INFO L168 Benchmark]: RCFGBuilder took 437.84 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:56,561 INFO L168 Benchmark]: TraceAbstraction took 351.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.4 MB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:56,561 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory is still 996.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:05:56,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.77 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.13 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 437.84 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 351.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.4 MB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory is still 996.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 256]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 255. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] double x = 1.0 / 0.0; [L251] double y = -1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != -pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 12:05:57,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:05:57,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:05:57,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:05:57,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:05:57,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:05:57,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:05:57,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:05:57,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:05:57,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:05:57,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:05:57,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:05:57,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:05:57,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:05:57,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:05:57,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:05:57,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:05:57,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:05:57,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:05:57,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:05:57,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:05:57,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:05:57,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:05:57,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:05:57,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:05:57,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:05:57,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:05:57,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:05:57,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:05:57,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:05:57,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:05:57,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:05:57,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:05:57,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:05:57,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:05:57,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:05:57,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:05:57,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:05:57,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:05:57,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:05:57,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:05:57,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 12:05:57,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:05:57,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:05:57,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:05:57,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:05:57,918 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:05:57,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:05:57,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:05:57,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:05:57,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:05:57,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:05:57,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:05:57,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:05:57,919 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:05:57,919 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:05:57,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:05:57,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:05:57,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:05:57,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:05:57,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:05:57,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:05:57,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:05:57,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:05:57,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:05:57,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:05:57,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:05:57,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:05:57,921 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 12:05:57,921 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:05:57,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:05:57,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:05:57,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:05:57,922 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_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/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 -> f884ccf2da0c4c4f4df1be4e75875f554c398438 [2019-12-07 12:05:58,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:05:58,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:05:58,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:05:58,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:05:58,105 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:05:58,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2019-12-07 12:05:58,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data/5a65c8fa0/d7de071f9aad464e900175d1e8880e41/FLAG07c6aa143 [2019-12-07 12:05:58,592 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:05:58,592 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2019-12-07 12:05:58,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data/5a65c8fa0/d7de071f9aad464e900175d1e8880e41/FLAG07c6aa143 [2019-12-07 12:05:58,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/data/5a65c8fa0/d7de071f9aad464e900175d1e8880e41 [2019-12-07 12:05:58,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:05:58,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:05:58,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:05:58,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:05:58,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:05:58,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,614 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 12:05:58, skipping insertion in model container [2019-12-07 12:05:58,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:05:58,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:05:58,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:05:58,787 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:05:58,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:05:58,878 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:05:58,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58 WrapperNode [2019-12-07 12:05:58,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:05:58,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:05:58,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:05:58,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:05:58,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:05:58,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:05:58,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:05:58,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:05:58,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... [2019-12-07 12:05:58,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:05:58,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:05:58,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:05:58,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:05:58,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/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 12:05:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 12:05:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 12:05:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:05:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 12:05:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:05:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:05:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:05:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:05:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:06:36,297 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:06:36,297 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 12:06:36,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:36 BoogieIcfgContainer [2019-12-07 12:06:36,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:06:36,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:06:36,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:06:36,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:06:36,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:05:58" (1/3) ... [2019-12-07 12:06:36,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e4fe78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:06:36, skipping insertion in model container [2019-12-07 12:06:36,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:58" (2/3) ... [2019-12-07 12:06:36,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e4fe78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:06:36, skipping insertion in model container [2019-12-07 12:06:36,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:36" (3/3) ... [2019-12-07 12:06:36,303 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2019-12-07 12:06:36,309 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:06:36,314 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:06:36,322 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:06:36,338 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:06:36,338 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:06:36,338 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:06:36,338 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:06:36,338 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:06:36,338 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:06:36,339 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:06:36,339 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:06:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 12:06:36,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:06:36,354 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:06:36,354 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:06:36,355 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:06:36,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:06:36,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 12:06:36,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:06:36,366 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848347122] [2019-12-07 12:06:36,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/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 12:06:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:06:36,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:06:36,720 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:06:36,730 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 12:06:36,730 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:06:36,732 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 12:06:36,733 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848347122] [2019-12-07 12:06:36,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:06:36,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:06:36,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715914913] [2019-12-07 12:06:36,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:06:36,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:06:36,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:06:36,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:06:36,748 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 12:06:36,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:06:36,770 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 12:06:36,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:06:36,771 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 12:06:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:06:36,782 INFO L225 Difference]: With dead ends: 224 [2019-12-07 12:06:36,783 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 12:06:36,785 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 12:06:36,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 12:06:36,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 12:06:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 12:06:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 12:06:36,822 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 12:06:36,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:06:36,822 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 12:06:36,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:06:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 12:06:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:06:36,823 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:06:36,823 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:06:37,024 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:06:37,024 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:06:37,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:06:37,025 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 12:06:37,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:06:37,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271299307] [2019-12-07 12:06:37,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/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 12:06:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:06:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:06:38,296 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 12:06:38,296 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:06:38,498 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:06:38,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:06:38 BoogieIcfgContainer [2019-12-07 12:06:38,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:06:38,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:06:38,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:06:38,559 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:06:38,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:36" (3/4) ... [2019-12-07 12:06:38,561 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 12:06:38,618 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_32d6a0ed-5cb4-43e1-89fd-8f6e67e5a048/bin/uautomizer/witness.graphml [2019-12-07 12:06:38,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:06:38,620 INFO L168 Benchmark]: Toolchain (without parser) took 40010.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 953.7 MB in the beginning and 942.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 137.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:38,620 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 12:06:38,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:38,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.80 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:38,621 INFO L168 Benchmark]: Boogie Preprocessor took 45.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:06:38,621 INFO L168 Benchmark]: RCFGBuilder took 37331.63 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: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:38,622 INFO L168 Benchmark]: TraceAbstraction took 2259.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 948.9 MB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:38,622 INFO L168 Benchmark]: Witness Printer took 60.01 ms. Allocated memory is still 1.2 GB. Free memory was 948.9 MB in the beginning and 942.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:38,624 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 268.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.80 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 37331.63 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: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2259.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 948.9 MB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.01 ms. Allocated memory is still 1.2 GB. Free memory was 948.9 MB in the beginning and 942.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 256]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L250] double x = 1.0 / 0.0; [L251] double y = -1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != -pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.1s, 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, 18 GetRequests, 18 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...