./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.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_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/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 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 ................................................................................................................................................................................................................................................................................................................................... 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_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/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 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 ................................................................................................................................................................................................................................................................................................................................................ 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 21:30:09,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:30:09,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:30:10,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:30:10,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:30:10,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:30:10,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:30:10,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:30:10,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:30:10,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:30:10,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:30:10,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:30:10,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:30:10,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:30:10,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:30:10,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:30:10,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:30:10,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:30:10,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:30:10,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:30:10,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:30:10,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:30:10,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:30:10,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:30:10,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:30:10,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:30:10,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:30:10,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:30:10,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:30:10,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:30:10,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:30:10,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:30:10,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:30:10,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:30:10,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:30:10,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:30:10,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:30:10,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:30:10,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:30:10,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:30:10,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:30:10,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:30:10,181 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:30:10,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:30:10,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:30:10,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:30:10,185 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:30:10,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:30:10,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:30:10,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:30:10,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:30:10,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:30:10,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:30:10,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:30:10,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:30:10,188 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:30:10,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:30:10,188 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:30:10,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:30:10,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:30:10,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:30:10,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:30:10,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:30:10,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:30:10,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:30:10,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:30:10,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:30:10,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:30:10,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:30:10,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:30:10,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:30:10,191 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_6e577201-d903-4b51-bf1c-e0799a90fc3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 [2020-11-29 21:30:10,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:30:10,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:30:10,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:30:10,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:30:10,462 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:30:10,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-11-29 21:30:10,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data/4048bfd07/0f80fe6c6b7a4ffab3301b4b8b6e2020/FLAGc802dde14 [2020-11-29 21:30:11,100 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:30:11,102 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-11-29 21:30:11,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data/4048bfd07/0f80fe6c6b7a4ffab3301b4b8b6e2020/FLAGc802dde14 [2020-11-29 21:30:11,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data/4048bfd07/0f80fe6c6b7a4ffab3301b4b8b6e2020 [2020-11-29 21:30:11,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:30:11,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:30:11,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:11,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:30:11,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:30:11,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6646ebfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11, skipping insertion in model container [2020-11-29 21:30:11,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:30:11,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:30:11,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:11,753 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:30:11,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:11,827 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:30:11,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11 WrapperNode [2020-11-29 21:30:11,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:11,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:30:11,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:30:11,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:30:11,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:30:11,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:30:11,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:30:11,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:30:11,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... [2020-11-29 21:30:11,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:30:11,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:30:11,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:30:11,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:30:12,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/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 21:30:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:30:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:30:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 21:30:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:30:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 21:30:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:30:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:30:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 21:30:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 21:30:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:30:13,066 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:30:13,066 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 21:30:13,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:13 BoogieIcfgContainer [2020-11-29 21:30:13,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:30:13,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:30:13,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:30:13,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:30:13,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:30:11" (1/3) ... [2020-11-29 21:30:13,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5e9cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:13, skipping insertion in model container [2020-11-29 21:30:13,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:11" (2/3) ... [2020-11-29 21:30:13,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5e9cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:13, skipping insertion in model container [2020-11-29 21:30:13,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:13" (3/3) ... [2020-11-29 21:30:13,077 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2020-11-29 21:30:13,086 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:30:13,089 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:30:13,099 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:30:13,125 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:30:13,125 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:30:13,125 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:30:13,126 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:30:13,126 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:30:13,126 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:30:13,126 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:30:13,126 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:30:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-29 21:30:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 21:30:13,147 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:13,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:30:13,148 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:13,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:13,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-11-29 21:30:13,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:13,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123341267] [2020-11-29 21:30:13,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:13,315 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 21:30:13,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123341267] [2020-11-29 21:30:13,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:13,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:30:13,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884790199] [2020-11-29 21:30:13,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:30:13,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:13,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:30:13,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:30:13,337 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-29 21:30:13,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:13,367 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-11-29 21:30:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:30:13,368 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-29 21:30:13,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:13,379 INFO L225 Difference]: With dead ends: 225 [2020-11-29 21:30:13,379 INFO L226 Difference]: Without dead ends: 110 [2020-11-29 21:30:13,382 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 21:30:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-29 21:30:13,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-29 21:30:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-29 21:30:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-11-29 21:30:13,424 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-11-29 21:30:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:13,424 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-11-29 21:30:13,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:30:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-11-29 21:30:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:30:13,425 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:13,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:30:13,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:30:13,426 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:13,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:13,427 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-11-29 21:30:13,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:13,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302382139] [2020-11-29 21:30:13,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:30:13,512 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:30:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:30:13,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:30:13,604 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:30:13,605 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 21:30:13,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:30:13,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:30:13 BoogieIcfgContainer [2020-11-29 21:30:13,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:30:13,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:30:13,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:30:13,711 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:30:13,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:13" (3/4) ... [2020-11-29 21:30:13,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 21:30:13,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:30:13,732 INFO L168 Benchmark]: Toolchain (without parser) took 2282.34 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 101.5 MB in the beginning and 132.8 MB in the end (delta: -31.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:13,733 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 46.1 MB in the beginning and 46.1 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:13,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.09 ms. Allocated memory is still 132.1 MB. Free memory was 101.5 MB in the beginning and 102.3 MB in the end (delta: -848.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:13,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.54 ms. Allocated memory is still 132.1 MB. Free memory was 102.3 MB in the beginning and 98.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:13,736 INFO L168 Benchmark]: Boogie Preprocessor took 89.87 ms. Allocated memory is still 132.1 MB. Free memory was 98.9 MB in the beginning and 95.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:13,738 INFO L168 Benchmark]: RCFGBuilder took 1070.82 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 95.4 MB in the beginning and 114.3 MB in the end (delta: -18.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:13,739 INFO L168 Benchmark]: TraceAbstraction took 639.40 ms. Allocated memory is still 159.4 MB. Free memory was 113.5 MB in the beginning and 132.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:13,740 INFO L168 Benchmark]: Witness Printer took 19.18 ms. Allocated memory is still 159.4 MB. Free memory was 132.8 MB in the beginning and 132.8 MB in the end (delta: 2.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:13,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 46.1 MB in the beginning and 46.1 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 378.09 ms. Allocated memory is still 132.1 MB. Free memory was 101.5 MB in the beginning and 102.3 MB in the end (delta: -848.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.54 ms. Allocated memory is still 132.1 MB. Free memory was 102.3 MB in the beginning and 98.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.87 ms. Allocated memory is still 132.1 MB. Free memory was 98.9 MB in the beginning and 95.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1070.82 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 95.4 MB in the beginning and 114.3 MB in the end (delta: -18.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 639.40 ms. Allocated memory is still 159.4 MB. Free memory was 113.5 MB in the beginning and 132.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 19.18 ms. Allocated memory is still 159.4 MB. Free memory was 132.8 MB in the beginning and 132.8 MB in the end (delta: 2.0 kB). 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 someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. 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] [L253] double x = -1.0 / 0.0; [L254] double y = 1.0 / 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != 3 * pi_o_4 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] [L3] __assert_fail("0", "double_req_bl_0685a.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, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 21:30:16,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:30:16,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:30:16,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:30:16,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:30:16,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:30:16,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:30:16,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:30:16,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:30:16,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:30:16,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:30:16,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:30:16,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:30:16,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:30:16,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:30:16,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:30:16,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:30:16,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:30:16,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:30:16,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:30:16,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:30:16,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:30:16,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:30:16,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:30:16,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:30:16,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:30:16,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:30:16,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:30:16,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:30:16,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:30:16,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:30:16,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:30:16,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:30:16,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:30:16,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:30:16,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:30:16,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:30:16,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:30:16,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:30:16,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:30:16,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:30:16,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 21:30:16,425 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:30:16,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:30:16,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:30:16,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:30:16,428 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:30:16,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:30:16,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:30:16,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:30:16,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:30:16,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:30:16,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:30:16,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:30:16,429 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 21:30:16,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 21:30:16,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:30:16,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:30:16,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:30:16,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:30:16,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:30:16,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:30:16,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:30:16,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:30:16,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:30:16,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:30:16,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:30:16,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:30:16,431 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 21:30:16,432 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 21:30:16,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:30:16,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:30:16,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 21:30:16,432 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_6e577201-d903-4b51-bf1c-e0799a90fc3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 [2020-11-29 21:30:16,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:30:16,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:30:16,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:30:16,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:30:16,919 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:30:16,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-11-29 21:30:17,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data/393898d67/d818d4da2ca6431fba2af2bd359b00f8/FLAG8f87dfd7c [2020-11-29 21:30:17,597 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:30:17,598 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-11-29 21:30:17,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data/393898d67/d818d4da2ca6431fba2af2bd359b00f8/FLAG8f87dfd7c [2020-11-29 21:30:17,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/data/393898d67/d818d4da2ca6431fba2af2bd359b00f8 [2020-11-29 21:30:17,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:30:17,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:30:17,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:17,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:30:17,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:30:17,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:17" (1/1) ... [2020-11-29 21:30:17,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6343bc7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:17, skipping insertion in model container [2020-11-29 21:30:17,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:17" (1/1) ... [2020-11-29 21:30:17,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:30:18,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:30:18,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:18,331 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:30:18,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:18,417 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:30:18,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18 WrapperNode [2020-11-29 21:30:18,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:18,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:30:18,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:30:18,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:30:18,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:30:18,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:30:18,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:30:18,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:30:18,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... [2020-11-29 21:30:18,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:30:18,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:30:18,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:30:18,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:30:18,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/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 21:30:18,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 21:30:18,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 21:30:18,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 21:30:18,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:30:18,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-29 21:30:18,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 21:30:18,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:30:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:30:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 21:30:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:30:57,537 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:30:57,538 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 21:30:57,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:57 BoogieIcfgContainer [2020-11-29 21:30:57,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:30:57,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:30:57,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:30:57,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:30:57,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:30:17" (1/3) ... [2020-11-29 21:30:57,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be747e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:57, skipping insertion in model container [2020-11-29 21:30:57,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:18" (2/3) ... [2020-11-29 21:30:57,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be747e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:57, skipping insertion in model container [2020-11-29 21:30:57,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:57" (3/3) ... [2020-11-29 21:30:57,548 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2020-11-29 21:30:57,558 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:30:57,562 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:30:57,570 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:30:57,594 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:30:57,594 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:30:57,594 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:30:57,595 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:30:57,595 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:30:57,595 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:30:57,595 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:30:57,595 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:30:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-29 21:30:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 21:30:57,617 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:57,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:30:57,618 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:57,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:57,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-11-29 21:30:57,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:30:57,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688898266] [2020-11-29 21:30:57,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/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 21:30:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:58,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 21:30:58,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:30:58,223 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 21:30:58,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 21:30:58,227 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 21:30:58,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688898266] [2020-11-29 21:30:58,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:58,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 21:30:58,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981119325] [2020-11-29 21:30:58,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:30:58,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 21:30:58,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:30:58,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:30:58,249 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-29 21:30:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:58,278 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-11-29 21:30:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:30:58,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-29 21:30:58,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:58,290 INFO L225 Difference]: With dead ends: 225 [2020-11-29 21:30:58,290 INFO L226 Difference]: Without dead ends: 110 [2020-11-29 21:30:58,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:30:58,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-29 21:30:58,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-29 21:30:58,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-29 21:30:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-11-29 21:30:58,335 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-11-29 21:30:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:58,336 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-11-29 21:30:58,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:30:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-11-29 21:30:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:30:58,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:58,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:30:58,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 21:30:58,554 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:30:58,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:58,555 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-11-29 21:30:58,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:30:58,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277628051] [2020-11-29 21:30:58,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/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 21:30:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:30:59,627 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:31:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:31:00,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:31:00,609 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 21:31:00,610 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 21:31:00,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 21:31:00,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:31:00 BoogieIcfgContainer [2020-11-29 21:31:00,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:31:00,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:31:00,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:31:00,859 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:31:00,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:57" (3/4) ... [2020-11-29 21:31:00,861 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 21:31:00,949 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6e577201-d903-4b51-bf1c-e0799a90fc3a/bin/uautomizer/witness.graphml [2020-11-29 21:31:00,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:31:00,951 INFO L168 Benchmark]: Toolchain (without parser) took 42973.20 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 27.7 MB in the beginning and 38.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:00,952 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:31:00,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.05 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 27.6 MB in the beginning and 45.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:00,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.30 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 42.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:00,954 INFO L168 Benchmark]: Boogie Preprocessor took 131.96 ms. Allocated memory is still 67.1 MB. Free memory was 42.2 MB in the beginning and 38.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:00,954 INFO L168 Benchmark]: RCFGBuilder took 38887.57 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 38.3 MB in the beginning and 52.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:00,955 INFO L168 Benchmark]: TraceAbstraction took 3315.96 ms. Allocated memory is still 81.8 MB. Free memory was 52.4 MB in the beginning and 42.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:00,955 INFO L168 Benchmark]: Witness Printer took 91.48 ms. Allocated memory is still 81.8 MB. Free memory was 42.9 MB in the beginning and 38.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:31:00,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 435.05 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 27.6 MB in the beginning and 45.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.30 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 42.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.96 ms. Allocated memory is still 67.1 MB. Free memory was 42.2 MB in the beginning and 38.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 38887.57 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 38.3 MB in the beginning and 52.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3315.96 ms. Allocated memory is still 81.8 MB. Free memory was 52.4 MB in the beginning and 42.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 91.48 ms. Allocated memory is still 81.8 MB. Free memory was 42.9 MB in the beginning and 38.7 MB in the end (delta: 4.2 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] [L253] double x = -1.0 / 0.0; [L254] double y = 1.0 / 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != 3 * pi_o_4 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] [L3] __assert_fail("0", "double_req_bl_0685a.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, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 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...