./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffb28dc7082592252204f454b15d9526630e5ef2 ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffb28dc7082592252204f454b15d9526630e5ef2 ................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 20:12:09,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:12:09,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:12:09,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:12:09,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:12:09,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:12:09,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:12:09,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:12:09,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:12:09,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:12:09,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:12:09,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:12:09,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:12:09,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:12:09,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:12:09,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:12:09,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:12:10,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:12:10,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:12:10,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:12:10,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:12:10,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:12:10,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:12:10,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:12:10,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:12:10,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:12:10,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:12:10,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:12:10,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:12:10,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:12:10,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:12:10,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:12:10,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:12:10,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:12:10,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:12:10,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:12:10,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:12:10,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:12:10,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:12:10,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:12:10,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:12:10,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:12:10,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:12:10,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:12:10,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:12:10,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:12:10,123 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:12:10,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:12:10,124 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:12:10,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:12:10,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:12:10,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:12:10,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:12:10,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:12:10,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:12:10,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:12:10,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:12:10,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:12:10,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:12:10,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:12:10,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:12:10,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:12:10,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:12:10,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:12:10,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:12:10,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:12:10,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:12:10,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:12:10,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:12:10,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:12:10,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:12:10,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffb28dc7082592252204f454b15d9526630e5ef2 [2020-11-29 20:12:10,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:12:10,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:12:10,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:12:10,506 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:12:10,508 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:12:10,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2020-11-29 20:12:10,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data/7680a291b/2f408113513d47469d2805e67681ac3a/FLAG45044fbd6 [2020-11-29 20:12:11,192 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:12:11,193 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2020-11-29 20:12:11,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data/7680a291b/2f408113513d47469d2805e67681ac3a/FLAG45044fbd6 [2020-11-29 20:12:11,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data/7680a291b/2f408113513d47469d2805e67681ac3a [2020-11-29 20:12:11,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:12:11,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:12:11,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:12:11,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:12:11,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:12:11,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:12:11" (1/1) ... [2020-11-29 20:12:11,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de9a1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:11, skipping insertion in model container [2020-11-29 20:12:11,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:12:11" (1/1) ... [2020-11-29 20:12:11,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:12:11,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:12:11,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:12:11,940 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:12:12,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:12:12,035 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:12:12,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12 WrapperNode [2020-11-29 20:12:12,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:12:12,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:12:12,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:12:12,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:12:12,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:12:12,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:12:12,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:12:12,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:12:12,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... [2020-11-29 20:12:12,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:12:12,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:12:12,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:12:12,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:12:12,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/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 [2020-11-29 20:12:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:12:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:12:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 20:12:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:12:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 20:12:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:12:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:12:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:12:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 20:12:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:12:13,692 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:12:13,693 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-11-29 20:12:13,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:12:13 BoogieIcfgContainer [2020-11-29 20:12:13,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:12:13,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:12:13,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:12:13,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:12:13,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:12:11" (1/3) ... [2020-11-29 20:12:13,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d78b58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:12:13, skipping insertion in model container [2020-11-29 20:12:13,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:12" (2/3) ... [2020-11-29 20:12:13,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d78b58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:12:13, skipping insertion in model container [2020-11-29 20:12:13,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:12:13" (3/3) ... [2020-11-29 20:12:13,710 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2020-11-29 20:12:13,723 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:12:13,730 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:12:13,744 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:12:13,775 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:12:13,775 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:12:13,775 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:12:13,775 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:12:13,776 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:12:13,776 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:12:13,776 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:12:13,776 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:12:13,797 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-11-29 20:12:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 20:12:13,804 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:12:13,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:12:13,806 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:12:13,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:12:13,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-11-29 20:12:13,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:12:13,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452378292] [2020-11-29 20:12:13,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:12:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:12:14,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:12:14,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452378292] [2020-11-29 20:12:14,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:12:14,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:12:14,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390087235] [2020-11-29 20:12:14,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:12:14,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:12:14,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:12:14,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:12:14,116 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-11-29 20:12:14,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:12:14,153 INFO L93 Difference]: Finished difference Result 238 states and 399 transitions. [2020-11-29 20:12:14,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:12:14,155 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-29 20:12:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:12:14,169 INFO L225 Difference]: With dead ends: 238 [2020-11-29 20:12:14,169 INFO L226 Difference]: Without dead ends: 116 [2020-11-29 20:12:14,173 INFO L677 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 [2020-11-29 20:12:14,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-29 20:12:14,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-11-29 20:12:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-29 20:12:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-11-29 20:12:14,244 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-11-29 20:12:14,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:12:14,245 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-11-29 20:12:14,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:12:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-11-29 20:12:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 20:12:14,246 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:12:14,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:12:14,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:12:14,247 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:12:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:12:14,248 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-11-29 20:12:14,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:12:14,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127615998] [2020-11-29 20:12:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:12:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:12:14,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:12:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:12:14,475 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:12:14,544 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:12:14,545 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 20:12:14,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:12:14,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:12:14 BoogieIcfgContainer [2020-11-29 20:12:14,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:12:14,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:12:14,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:12:14,642 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:12:14,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:12:13" (3/4) ... [2020-11-29 20:12:14,647 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:12:14,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:12:14,653 INFO L168 Benchmark]: Toolchain (without parser) took 3133.61 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 102.8 MB in the beginning and 70.3 MB in the end (delta: 32.5 MB). Peak memory consumption was 59.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:14,654 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 127.9 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:12:14,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.91 ms. Allocated memory is still 127.9 MB. Free memory was 102.5 MB in the beginning and 97.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:14,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.37 ms. Allocated memory is still 127.9 MB. Free memory was 97.6 MB in the beginning and 93.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:14,660 INFO L168 Benchmark]: Boogie Preprocessor took 77.89 ms. Allocated memory is still 127.9 MB. Free memory was 93.9 MB in the beginning and 90.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:14,662 INFO L168 Benchmark]: RCFGBuilder took 1473.46 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 90.4 MB in the beginning and 106.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:14,663 INFO L168 Benchmark]: TraceAbstraction took 941.69 ms. Allocated memory is still 155.2 MB. Free memory was 106.8 MB in the beginning and 70.3 MB in the end (delta: 36.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:14,664 INFO L168 Benchmark]: Witness Printer took 5.93 ms. Allocated memory is still 155.2 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:12:14,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 127.9 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.91 ms. Allocated memory is still 127.9 MB. Free memory was 102.5 MB in the beginning and 97.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.37 ms. Allocated memory is still 127.9 MB. Free memory was 97.6 MB in the beginning and 93.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.89 ms. Allocated memory is still 127.9 MB. Free memory was 93.9 MB in the beginning and 90.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1473.46 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 90.4 MB in the beginning and 106.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 941.69 ms. Allocated memory is still 155.2 MB. Free memory was 106.8 MB in the beginning and 70.3 MB in the end (delta: 36.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.93 ms. Allocated memory is still 155.2 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 272. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] 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, }; [L62-L64] 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; [L141-L142] 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={11:0}, atanlo_atan={10:0}, 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] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = 0.0; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L269] COND TRUE x > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L272] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0661b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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, 121 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-29 20:12:17,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:12:17,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:12:17,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-29 20:12:17,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:12:17,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:12:18,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:12:18,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:12:18,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:12:18,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:12:18,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:12:18,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:12:18,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:12:18,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:12:18,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:12:18,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:12:18,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:12:18,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:12:18,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:12:18,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:12:18,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:12:18,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:12:18,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:12:18,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:12:18,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:12:18,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:12:18,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:12:18,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:12:18,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:12:18,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:12:18,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:12:18,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:12:18,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:12:18,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 20:12:18,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:12:18,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:12:18,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:12:18,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:12:18,087 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:12:18,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:12:18,088 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:12:18,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:12:18,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:12:18,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:12:18,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:12:18,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:12:18,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 20:12:18,091 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 20:12:18,091 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:12:18,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:12:18,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:12:18,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:12:18,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:12:18,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:12:18,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:12:18,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:12:18,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:12:18,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:12:18,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:12:18,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:12:18,097 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 20:12:18,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 20:12:18,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:12:18,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:12:18,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 20:12:18,099 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffb28dc7082592252204f454b15d9526630e5ef2 [2020-11-29 20:12:18,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:12:18,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:12:18,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:12:18,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:12:18,674 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:12:18,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2020-11-29 20:12:18,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data/e8eaa2728/f7e8b16d3e9847b8907dad373836bc57/FLAG82016061a [2020-11-29 20:12:19,481 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:12:19,482 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2020-11-29 20:12:19,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data/e8eaa2728/f7e8b16d3e9847b8907dad373836bc57/FLAG82016061a [2020-11-29 20:12:19,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/data/e8eaa2728/f7e8b16d3e9847b8907dad373836bc57 [2020-11-29 20:12:19,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:12:19,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:12:19,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:12:19,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:12:19,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:12:19,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:12:19" (1/1) ... [2020-11-29 20:12:19,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184d031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:19, skipping insertion in model container [2020-11-29 20:12:19,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:12:19" (1/1) ... [2020-11-29 20:12:19,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:12:19,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:12:20,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:12:20,223 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:12:20,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:12:20,376 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:12:20,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20 WrapperNode [2020-11-29 20:12:20,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:12:20,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:12:20,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:12:20,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:12:20,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:12:20,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:12:20,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:12:20,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:12:20,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... [2020-11-29 20:12:20,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:12:20,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:12:20,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:12:20,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:12:20,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/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 [2020-11-29 20:12:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 20:12:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 20:12:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 20:12:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:12:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-29 20:12:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 20:12:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:12:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:12:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 20:12:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:13:03,123 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:13:03,124 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-11-29 20:13:03,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:03 BoogieIcfgContainer [2020-11-29 20:13:03,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:13:03,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:13:03,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:13:03,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:13:03,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:12:19" (1/3) ... [2020-11-29 20:13:03,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da0c64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:13:03, skipping insertion in model container [2020-11-29 20:13:03,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:20" (2/3) ... [2020-11-29 20:13:03,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da0c64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:13:03, skipping insertion in model container [2020-11-29 20:13:03,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:03" (3/3) ... [2020-11-29 20:13:03,136 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2020-11-29 20:13:03,149 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:13:03,155 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:13:03,170 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:13:03,201 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:13:03,201 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:13:03,201 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:13:03,201 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:13:03,202 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:13:03,202 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:13:03,202 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:13:03,202 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:13:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-11-29 20:13:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 20:13:03,229 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:13:03,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:13:03,230 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:13:03,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:13:03,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-11-29 20:13:03,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:13:03,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030722825] [2020-11-29 20:13:03,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/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 [2020-11-29 20:13:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:13:03,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 20:13:03,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:13:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:13:03,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:13:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:13:03,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030722825] [2020-11-29 20:13:03,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:13:03,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 20:13:03,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061715524] [2020-11-29 20:13:03,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:13:03,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:13:03,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:13:03,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:13:03,762 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-11-29 20:13:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:13:03,802 INFO L93 Difference]: Finished difference Result 238 states and 399 transitions. [2020-11-29 20:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:13:03,804 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-29 20:13:03,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:13:03,817 INFO L225 Difference]: With dead ends: 238 [2020-11-29 20:13:03,817 INFO L226 Difference]: Without dead ends: 116 [2020-11-29 20:13:03,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:13:03,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-29 20:13:03,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-11-29 20:13:03,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-29 20:13:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-11-29 20:13:03,884 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-11-29 20:13:03,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:13:03,885 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-11-29 20:13:03,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:13:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-11-29 20:13:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 20:13:03,886 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:13:03,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:13:04,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 20:13:04,094 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:13:04,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:13:04,097 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-11-29 20:13:04,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:13:04,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632146900] [2020-11-29 20:13:04,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/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 [2020-11-29 20:13:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:13:05,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:13:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:13:06,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:13:06,319 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 20:13:06,319 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 20:13:06,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 20:13:06,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:13:06 BoogieIcfgContainer [2020-11-29 20:13:06,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:13:06,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:13:06,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:13:06,610 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:13:06,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:03" (3/4) ... [2020-11-29 20:13:06,614 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 20:13:06,716 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_af26262a-491a-4799-a69b-ac847dd554b4/bin/uautomizer/witness.graphml [2020-11-29 20:13:06,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:13:06,725 INFO L168 Benchmark]: Toolchain (without parser) took 46925.68 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 36.0 MB in the beginning and 49.3 MB in the end (delta: -13.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:06,726 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 56.6 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:13:06,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.31 ms. Allocated memory is still 56.6 MB. Free memory was 35.8 MB in the beginning and 34.9 MB in the end (delta: 876.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:06,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.50 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 31.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:06,729 INFO L168 Benchmark]: Boogie Preprocessor took 113.37 ms. Allocated memory is still 56.6 MB. Free memory was 31.0 MB in the beginning and 27.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:06,730 INFO L168 Benchmark]: RCFGBuilder took 42474.19 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 27.1 MB in the beginning and 53.2 MB in the end (delta: -26.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:06,731 INFO L168 Benchmark]: TraceAbstraction took 3481.53 ms. Allocated memory is still 75.5 MB. Free memory was 53.2 MB in the beginning and 54.1 MB in the end (delta: -905.4 kB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:06,731 INFO L168 Benchmark]: Witness Printer took 106.68 ms. Allocated memory is still 75.5 MB. Free memory was 54.1 MB in the beginning and 49.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:06,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 56.6 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.31 ms. Allocated memory is still 56.6 MB. Free memory was 35.8 MB in the beginning and 34.9 MB in the end (delta: 876.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 158.50 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 31.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.37 ms. Allocated memory is still 56.6 MB. Free memory was 31.0 MB in the beginning and 27.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 42474.19 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 27.1 MB in the beginning and 53.2 MB in the end (delta: -26.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3481.53 ms. Allocated memory is still 75.5 MB. Free memory was 53.2 MB in the beginning and 54.1 MB in the end (delta: -905.4 kB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * Witness Printer took 106.68 ms. Allocated memory is still 75.5 MB. Free memory was 54.1 MB in the beginning and 49.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] 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, }; [L62-L64] 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; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = 0.0; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L269] COND TRUE x > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L272] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0661b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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, 121 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred 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, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 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, ACCELERATED_INTERPOLATION: 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...