./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.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_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/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 c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 .................................................................................................................................................................................................................................................................................................................................... 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_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/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 c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 ................................................................................................................................................................................................................................................................................................................................................. 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 [2020-11-30 01:31:06,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:31:06,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:31:06,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:31:06,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:31:06,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:31:06,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:31:06,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:31:07,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:31:07,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:31:07,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:31:07,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:31:07,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:31:07,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:31:07,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:31:07,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:31:07,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:31:07,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:31:07,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:31:07,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:31:07,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:31:07,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:31:07,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:31:07,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:31:07,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:31:07,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:31:07,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:31:07,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:31:07,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:31:07,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:31:07,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:31:07,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:31:07,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:31:07,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:31:07,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:31:07,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:31:07,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:31:07,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:31:07,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:31:07,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:31:07,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:31:07,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:31:07,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:31:07,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:31:07,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:31:07,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:31:07,091 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:31:07,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:31:07,091 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:31:07,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:31:07,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:31:07,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:31:07,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:31:07,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:31:07,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:31:07,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:31:07,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:31:07,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:31:07,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:31:07,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:31:07,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:31:07,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:31:07,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:31:07,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:31:07,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:31:07,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:31:07,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:31:07,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:31:07,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:31:07,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:31:07,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:31:07,096 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_9de79e76-da84-4893-8889-d7bb8517b54e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 [2020-11-30 01:31:07,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:31:07,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:31:07,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:31:07,421 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:31:07,422 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:31:07,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-11-30 01:31:07,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data/a83462098/46a09f44a5994fdab36f21c6efed418f/FLAG4745e800f [2020-11-30 01:31:07,946 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:31:07,947 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-11-30 01:31:07,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data/a83462098/46a09f44a5994fdab36f21c6efed418f/FLAG4745e800f [2020-11-30 01:31:08,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data/a83462098/46a09f44a5994fdab36f21c6efed418f [2020-11-30 01:31:08,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:31:08,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:31:08,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:08,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:31:08,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:31:08,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d5abca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08, skipping insertion in model container [2020-11-30 01:31:08,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:31:08,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:31:08,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:08,635 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:31:08,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:08,724 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:31:08,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08 WrapperNode [2020-11-30 01:31:08,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:08,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:08,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:31:08,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:31:08,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:08,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:31:08,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:31:08,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:31:08,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... [2020-11-30 01:31:08,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:31:08,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:31:08,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:31:08,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:31:08,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/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 [2020-11-30 01:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 01:31:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:31:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 01:31:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:31:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:31:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:31:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 01:31:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:31:09,985 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:31:09,986 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-30 01:31:09,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:09 BoogieIcfgContainer [2020-11-30 01:31:09,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:31:09,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:31:09,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:31:09,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:31:09,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:31:08" (1/3) ... [2020-11-30 01:31:09,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b6636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:09, skipping insertion in model container [2020-11-30 01:31:09,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:08" (2/3) ... [2020-11-30 01:31:09,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b6636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:09, skipping insertion in model container [2020-11-30 01:31:09,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:09" (3/3) ... [2020-11-30 01:31:09,997 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2020-11-30 01:31:10,008 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:31:10,013 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:31:10,024 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:31:10,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:31:10,049 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:31:10,049 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:31:10,049 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:31:10,049 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:31:10,050 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:31:10,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:31:10,050 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:31:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-30 01:31:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:31:10,069 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:10,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:10,070 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:10,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:10,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-11-30 01:31:10,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:10,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771858739] [2020-11-30 01:31:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:10,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771858739] [2020-11-30 01:31:10,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:10,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:31:10,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057101001] [2020-11-30 01:31:10,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:31:10,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:10,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:31:10,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:31:10,310 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-30 01:31:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:10,338 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-11-30 01:31:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:31:10,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 01:31:10,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:10,349 INFO L225 Difference]: With dead ends: 228 [2020-11-30 01:31:10,349 INFO L226 Difference]: Without dead ends: 111 [2020-11-30 01:31:10,353 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 [2020-11-30 01:31:10,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-30 01:31:10,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-30 01:31:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-30 01:31:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-11-30 01:31:10,412 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-11-30 01:31:10,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:10,413 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-11-30 01:31:10,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:31:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-11-30 01:31:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:31:10,415 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:10,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:10,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:31:10,415 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:10,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:10,419 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-11-30 01:31:10,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:10,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352345126] [2020-11-30 01:31:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:31:10,607 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:31:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:31:10,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:31:10,757 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:31:10,758 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:31:10,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:31:10,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:31:10 BoogieIcfgContainer [2020-11-30 01:31:10,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:31:10,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:31:10,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:31:10,801 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:31:10,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:09" (3/4) ... [2020-11-30 01:31:10,805 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:31:10,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:31:10,807 INFO L168 Benchmark]: Toolchain (without parser) took 2474.96 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 60.9 MB in the beginning and 78.5 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:10,808 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 29.0 MB in the beginning and 29.0 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:31:10,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.98 ms. Allocated memory is still 94.4 MB. Free memory was 60.8 MB in the beginning and 65.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:10,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.52 ms. Allocated memory is still 94.4 MB. Free memory was 65.5 MB in the beginning and 62.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:10,810 INFO L168 Benchmark]: Boogie Preprocessor took 62.52 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 58.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:10,811 INFO L168 Benchmark]: RCFGBuilder took 1117.09 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 58.8 MB in the beginning and 72.8 MB in the end (delta: -14.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:10,812 INFO L168 Benchmark]: TraceAbstraction took 810.74 ms. Allocated memory is still 119.5 MB. Free memory was 72.1 MB in the beginning and 78.5 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:31:10,812 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 119.5 MB. Free memory is still 78.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:31:10,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 29.0 MB in the beginning and 29.0 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.98 ms. Allocated memory is still 94.4 MB. Free memory was 60.8 MB in the beginning and 65.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.52 ms. Allocated memory is still 94.4 MB. Free memory was 65.5 MB in the beginning and 62.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.52 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 58.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1117.09 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 58.8 MB in the beginning and 72.8 MB in the end (delta: -14.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 810.74 ms. Allocated memory is still 119.5 MB. Free memory was 72.1 MB in the beginning and 78.5 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.11 ms. Allocated memory is still 119.5 MB. Free memory is still 78.5 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 261. 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 = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y < 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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != -pi_o_2 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_0662b.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, 116 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: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 [2020-11-30 01:31:13,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:31:13,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:31:13,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-30 01:31:13,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:31:13,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:31:13,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:31:13,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:31:13,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:31:13,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:31:13,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:31:13,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:31:13,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:31:13,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:31:13,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:31:13,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:31:13,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:31:13,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:31:13,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:31:13,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:31:13,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:31:13,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:31:13,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:31:13,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:31:13,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:31:13,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:31:13,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:31:13,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:31:13,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:31:13,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:31:13,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:31:13,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:31:13,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:31:13,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:31:13,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:31:13,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:31:13,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:31:13,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:31:13,535 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:31:13,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:31:13,536 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:31:13,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:31:13,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:31:13,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:31:13,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:31:13,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:31:13,538 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:31:13,538 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:31:13,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:31:13,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:31:13,539 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:31:13,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:31:13,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:31:13,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:31:13,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:31:13,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:31:13,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:31:13,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:31:13,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:31:13,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:31:13,542 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:31:13,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:31:13,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:31:13,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:31:13,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:31:13,544 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_9de79e76-da84-4893-8889-d7bb8517b54e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 [2020-11-30 01:31:13,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:31:13,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:31:13,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:31:13,946 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:31:13,947 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:31:13,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-11-30 01:31:14,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data/0014d2c3c/cf8b9f76700a4091b5b50fd3fcaf5231/FLAG2aad3e265 [2020-11-30 01:31:14,584 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:31:14,585 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-11-30 01:31:14,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data/0014d2c3c/cf8b9f76700a4091b5b50fd3fcaf5231/FLAG2aad3e265 [2020-11-30 01:31:14,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/data/0014d2c3c/cf8b9f76700a4091b5b50fd3fcaf5231 [2020-11-30 01:31:14,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:31:14,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:31:14,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:14,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:31:14,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:31:14,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:14" (1/1) ... [2020-11-30 01:31:14,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51625981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:14, skipping insertion in model container [2020-11-30 01:31:14,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:14" (1/1) ... [2020-11-30 01:31:14,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:31:15,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:31:15,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:15,260 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:31:15,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:15,400 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:31:15,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15 WrapperNode [2020-11-30 01:31:15,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:15,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:15,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:31:15,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:31:15,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:15,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:31:15,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:31:15,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:31:15,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... [2020-11-30 01:31:15,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:31:15,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:31:15,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:31:15,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:31:15,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/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 [2020-11-30 01:31:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 01:31:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 01:31:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:31:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:31:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-30 01:31:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:31:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:31:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:31:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:31:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:31:54,732 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:31:54,733 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-30 01:31:54,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:54 BoogieIcfgContainer [2020-11-30 01:31:54,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:31:54,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:31:54,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:31:54,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:31:54,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:31:14" (1/3) ... [2020-11-30 01:31:54,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532211de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:54, skipping insertion in model container [2020-11-30 01:31:54,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:15" (2/3) ... [2020-11-30 01:31:54,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532211de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:54, skipping insertion in model container [2020-11-30 01:31:54,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:54" (3/3) ... [2020-11-30 01:31:54,749 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2020-11-30 01:31:54,760 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:31:54,764 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:31:54,776 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:31:54,813 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:31:54,813 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:31:54,813 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:31:54,814 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:31:54,814 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:31:54,814 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:31:54,814 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:31:54,814 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:31:54,833 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-30 01:31:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:31:54,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:54,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:54,839 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:54,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:54,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-11-30 01:31:54,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:31:54,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845278502] [2020-11-30 01:31:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/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 [2020-11-30 01:31:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:55,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 01:31:55,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:55,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:31:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:55,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845278502] [2020-11-30 01:31:55,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:55,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:31:55,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425448375] [2020-11-30 01:31:55,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:31:55,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:31:55,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:31:55,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:31:55,348 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-30 01:31:55,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:55,398 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-11-30 01:31:55,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:31:55,399 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 01:31:55,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:55,411 INFO L225 Difference]: With dead ends: 228 [2020-11-30 01:31:55,412 INFO L226 Difference]: Without dead ends: 111 [2020-11-30 01:31:55,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:31:55,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-30 01:31:55,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-30 01:31:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-30 01:31:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-11-30 01:31:55,456 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-11-30 01:31:55,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:55,457 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-11-30 01:31:55,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:31:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-11-30 01:31:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:31:55,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:55,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:55,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:31:55,674 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:55,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:55,675 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-11-30 01:31:55,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:31:55,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110473721] [2020-11-30 01:31:55,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/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 [2020-11-30 01:31:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:31:56,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:31:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:31:57,413 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:31:57,554 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 01:31:57,555 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:31:57,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:31:57,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:31:57 BoogieIcfgContainer [2020-11-30 01:31:57,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:31:57,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:31:57,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:31:57,842 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:31:57,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:54" (3/4) ... [2020-11-30 01:31:57,844 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:31:57,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9de79e76-da84-4893-8889-d7bb8517b54e/bin/uautomizer/witness.graphml [2020-11-30 01:31:57,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:31:57,978 INFO L168 Benchmark]: Toolchain (without parser) took 43045.46 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.7 MB in the beginning and 42.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:57,979 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:31:57,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.83 ms. Allocated memory is still 54.5 MB. Free memory was 32.5 MB in the beginning and 33.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:57,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.60 ms. Allocated memory is still 54.5 MB. Free memory was 33.6 MB in the beginning and 30.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:57,988 INFO L168 Benchmark]: Boogie Preprocessor took 68.90 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 26.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:57,989 INFO L168 Benchmark]: RCFGBuilder took 39186.85 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 44.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:57,990 INFO L168 Benchmark]: TraceAbstraction took 3100.91 ms. Allocated memory is still 67.1 MB. Free memory was 44.4 MB in the beginning and 25.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:57,990 INFO L168 Benchmark]: Witness Printer took 134.91 ms. Allocated memory is still 67.1 MB. Free memory was 25.5 MB in the beginning and 42.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:57,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.83 ms. Allocated memory is still 54.5 MB. Free memory was 32.5 MB in the beginning and 33.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.60 ms. Allocated memory is still 54.5 MB. Free memory was 33.6 MB in the beginning and 30.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.90 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 26.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39186.85 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 44.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3100.91 ms. Allocated memory is still 67.1 MB. Free memory was 44.4 MB in the beginning and 25.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Witness Printer took 134.91 ms. Allocated memory is still 67.1 MB. Free memory was 25.5 MB in the beginning and 42.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 3.8 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 = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y < 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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != -pi_o_2 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_0662b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 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...