./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.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_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/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 c8db64e82d1b178f8644abd34ffdb7278ee391d6 ......................................................................................................................................................................................................................................................................................................................... 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_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/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 c8db64e82d1b178f8644abd34ffdb7278ee391d6 ........................................................................................................................................................................................................................................................................................................................................ 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 17:23:00,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:23:00,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:23:00,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:23:00,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:23:00,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:23:00,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:23:00,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:23:00,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:23:00,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:23:00,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:23:00,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:23:00,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:23:00,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:23:00,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:23:00,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:23:00,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:23:00,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:23:00,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:23:00,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:23:00,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:23:00,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:23:00,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:23:00,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:23:00,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:23:00,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:23:00,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:23:00,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:23:00,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:23:00,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:23:00,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:23:00,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:23:00,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:23:00,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:23:00,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:23:00,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:23:00,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:23:00,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:23:00,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:23:00,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:23:00,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:23:00,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:23:00,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:23:00,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:23:00,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:23:00,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:23:00,141 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:23:00,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:23:00,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:23:00,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:23:00,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:23:00,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:23:00,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:23:00,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:23:00,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:23:00,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:23:00,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:23:00,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:23:00,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:23:00,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:23:00,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:23:00,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:23:00,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:23:00,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:23:00,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:23:00,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:23:00,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:23:00,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:23:00,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:23:00,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:23:00,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:23:00,146 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_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/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 -> c8db64e82d1b178f8644abd34ffdb7278ee391d6 [2019-12-07 17:23:00,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:23:00,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:23:00,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:23:00,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:23:00,268 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:23:00,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2019-12-07 17:23:00,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data/780dfb153/8b07758081e54fd5b984165124544b9f/FLAGeb10a1fdd [2019-12-07 17:23:00,648 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:23:00,649 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2019-12-07 17:23:00,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data/780dfb153/8b07758081e54fd5b984165124544b9f/FLAGeb10a1fdd [2019-12-07 17:23:00,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data/780dfb153/8b07758081e54fd5b984165124544b9f [2019-12-07 17:23:00,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:23:00,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:23:00,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:23:00,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:23:00,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:23:00,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:00,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712b2759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00, skipping insertion in model container [2019-12-07 17:23:00,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:00,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:23:00,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:23:00,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:23:00,892 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:23:00,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:23:00,950 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:23:00,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00 WrapperNode [2019-12-07 17:23:00,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:23:00,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:23:00,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:23:00,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:23:00,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:00,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:00,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:23:00,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:23:00,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:23:00,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:23:00,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:00,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:01,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:01,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:01,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:01,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:01,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... [2019-12-07 17:23:01,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:23:01,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:23:01,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:23:01,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:23:01,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/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 17:23:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:23:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:23:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:23:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:23:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:23:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:23:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:23:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 17:23:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:23:01,463 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:23:01,463 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 17:23:01,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:01 BoogieIcfgContainer [2019-12-07 17:23:01,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:23:01,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:23:01,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:23:01,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:23:01,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:23:00" (1/3) ... [2019-12-07 17:23:01,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446b74c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:23:01, skipping insertion in model container [2019-12-07 17:23:01,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:00" (2/3) ... [2019-12-07 17:23:01,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446b74c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:23:01, skipping insertion in model container [2019-12-07 17:23:01,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:01" (3/3) ... [2019-12-07 17:23:01,469 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2019-12-07 17:23:01,476 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:23:01,481 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:23:01,488 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:23:01,504 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:23:01,504 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:23:01,505 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:23:01,505 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:23:01,505 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:23:01,505 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:23:01,505 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:23:01,505 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:23:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 17:23:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 17:23:01,521 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:23:01,521 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:23:01,521 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:23:01,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:23:01,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 17:23:01,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:23:01,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925708628] [2019-12-07 17:23:01,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:23:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:23:01,625 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 17:23:01,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925708628] [2019-12-07 17:23:01,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:23:01,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:23:01,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836416174] [2019-12-07 17:23:01,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:23:01,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:23:01,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:23:01,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:23:01,641 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 17:23:01,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:23:01,661 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 17:23:01,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:23:01,662 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 17:23:01,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:23:01,669 INFO L225 Difference]: With dead ends: 227 [2019-12-07 17:23:01,669 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 17:23:01,672 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 17:23:01,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 17:23:01,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 17:23:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 17:23:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 17:23:01,700 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 17:23:01,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:23:01,700 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 17:23:01,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:23:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 17:23:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:23:01,701 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:23:01,701 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:23:01,701 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:23:01,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:23:01,701 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 17:23:01,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:23:01,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491934307] [2019-12-07 17:23:01,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:23:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:01,789 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:23:01,789 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:23:01,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:23:01 BoogieIcfgContainer [2019-12-07 17:23:01,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:23:01,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:23:01,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:23:01,817 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:23:01,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:01" (3/4) ... [2019-12-07 17:23:01,819 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:23:01,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:23:01,821 INFO L168 Benchmark]: Toolchain (without parser) took 1154.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.2 MB in the beginning and 998.0 MB in the end (delta: -52.8 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:01,821 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:23:01,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:01,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.05 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 17:23:01,823 INFO L168 Benchmark]: Boogie Preprocessor took 38.42 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 17:23:01,823 INFO L168 Benchmark]: RCFGBuilder took 433.39 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:01,823 INFO L168 Benchmark]: TraceAbstraction took 351.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.0 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:01,824 INFO L168 Benchmark]: Witness Printer took 2.89 ms. Allocated memory is still 1.1 GB. Free memory is still 998.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:23:01,826 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.05 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 38.42 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 433.39 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 351.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.0 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 ms. Allocated memory is still 1.1 GB. Free memory is still 998.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: 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 259. 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 = __VERIFIER_nondet_double(); [L254] COND TRUE 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -pi_o_2 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] [L260] __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, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 17:23:03,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:23:03,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:23:03,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:23:03,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:23:03,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:23:03,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:23:03,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:23:03,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:23:03,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:23:03,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:23:03,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:23:03,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:23:03,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:23:03,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:23:03,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:23:03,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:23:03,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:23:03,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:23:03,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:23:03,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:23:03,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:23:03,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:23:03,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:23:03,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:23:03,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:23:03,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:23:03,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:23:03,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:23:03,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:23:03,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:23:03,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:23:03,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:23:03,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:23:03,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:23:03,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:23:03,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:23:03,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:23:03,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:23:03,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:23:03,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:23:03,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:23:03,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:23:03,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:23:03,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:23:03,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:23:03,198 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:23:03,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:23:03,198 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:23:03,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:23:03,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:23:03,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:23:03,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:23:03,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:23:03,199 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:23:03,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:23:03,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:23:03,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:23:03,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:23:03,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:23:03,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:23:03,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:23:03,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:23:03,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:23:03,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:23:03,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:23:03,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:23:03,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:23:03,201 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:23:03,201 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:23:03,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:23:03,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:23:03,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:23:03,202 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_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/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 -> c8db64e82d1b178f8644abd34ffdb7278ee391d6 [2019-12-07 17:23:03,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:23:03,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:23:03,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:23:03,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:23:03,390 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:23:03,391 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2019-12-07 17:23:03,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data/df170ff27/6a397eda624a44ee86bae7ae04dd1688/FLAG3a7b2ee4d [2019-12-07 17:23:03,801 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:23:03,802 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2019-12-07 17:23:03,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data/df170ff27/6a397eda624a44ee86bae7ae04dd1688/FLAG3a7b2ee4d [2019-12-07 17:23:03,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/data/df170ff27/6a397eda624a44ee86bae7ae04dd1688 [2019-12-07 17:23:03,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:23:03,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:23:03,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:23:03,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:23:03,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:23:03,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:23:03" (1/1) ... [2019-12-07 17:23:03,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d3a828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:03, skipping insertion in model container [2019-12-07 17:23:03,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:23:03" (1/1) ... [2019-12-07 17:23:03,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:23:03,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:23:03,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:23:03,993 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:23:04,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:23:04,092 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:23:04,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04 WrapperNode [2019-12-07 17:23:04,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:23:04,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:23:04,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:23:04,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:23:04,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:23:04,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:23:04,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:23:04,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:23:04,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... [2019-12-07 17:23:04,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:23:04,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:23:04,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:23:04,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:23:04,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/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 17:23:04,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 17:23:04,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 17:23:04,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:23:04,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 17:23:04,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:23:04,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:23:04,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:23:04,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:23:04,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:23:41,619 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:23:41,619 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 17:23:41,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:41 BoogieIcfgContainer [2019-12-07 17:23:41,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:23:41,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:23:41,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:23:41,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:23:41,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:23:03" (1/3) ... [2019-12-07 17:23:41,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b62e0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:23:41, skipping insertion in model container [2019-12-07 17:23:41,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:04" (2/3) ... [2019-12-07 17:23:41,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b62e0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:23:41, skipping insertion in model container [2019-12-07 17:23:41,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:41" (3/3) ... [2019-12-07 17:23:41,626 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2019-12-07 17:23:41,633 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:23:41,638 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:23:41,646 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:23:41,663 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:23:41,663 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:23:41,663 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:23:41,663 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:23:41,664 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:23:41,664 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:23:41,664 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:23:41,664 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:23:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 17:23:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 17:23:41,681 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:23:41,681 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:23:41,682 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:23:41,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:23:41,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 17:23:41,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:23:41,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195202786] [2019-12-07 17:23:41,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/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 17:23:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:23:42,023 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:23:42,027 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:23:42,039 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 17:23:42,039 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:23:42,042 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 17:23:42,043 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195202786] [2019-12-07 17:23:42,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:23:42,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:23:42,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187918373] [2019-12-07 17:23:42,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:23:42,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:23:42,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:23:42,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:23:42,059 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 17:23:42,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:23:42,081 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 17:23:42,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:23:42,082 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 17:23:42,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:23:42,090 INFO L225 Difference]: With dead ends: 227 [2019-12-07 17:23:42,090 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 17:23:42,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:23:42,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 17:23:42,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 17:23:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 17:23:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 17:23:42,122 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 17:23:42,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:23:42,122 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 17:23:42,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:23:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 17:23:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:23:42,123 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:23:42,123 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:23:42,324 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:23:42,325 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:23:42,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:23:42,326 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 17:23:42,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:23:42,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839725382] [2019-12-07 17:23:42,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/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 17:23:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:43,629 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:23:43,629 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:23:43,830 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:23:43,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:23:43 BoogieIcfgContainer [2019-12-07 17:23:43,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:23:43,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:23:43,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:23:43,867 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:23:43,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:41" (3/4) ... [2019-12-07 17:23:43,869 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:23:43,914 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e07e82f5-c4bd-4ab1-84a1-80fbce9c4ce6/bin/uautomizer/witness.graphml [2019-12-07 17:23:43,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:23:43,915 INFO L168 Benchmark]: Toolchain (without parser) took 40096.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 953.7 MB in the beginning and 958.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 131.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:43,916 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 17:23:43,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:43,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.00 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 17:23:43,917 INFO L168 Benchmark]: Boogie Preprocessor took 46.44 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 17:23:43,917 INFO L168 Benchmark]: RCFGBuilder took 37435.36 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: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:43,917 INFO L168 Benchmark]: TraceAbstraction took 2245.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 965.6 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:43,918 INFO L168 Benchmark]: Witness Printer took 47.34 ms. Allocated memory is still 1.2 GB. Free memory was 965.6 MB in the beginning and 958.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:43,919 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 273.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.00 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 46.44 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. * RCFGBuilder took 37435.36 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: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2245.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 965.6 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * Witness Printer took 47.34 ms. Allocated memory is still 1.2 GB. Free memory was 965.6 MB in the beginning and 958.8 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: 260]: 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 = __VERIFIER_nondet_double(); [L254] COND TRUE 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 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -pi_o_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] [L260] __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, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 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...