./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 519903e17542784e3e5f15e156d1440c82e3f912 ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 519903e17542784e3e5f15e156d1440c82e3f912 ................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-096883e [2020-12-01 23:10:16,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:16,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:16,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:10:16,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:10:16,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:10:16,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:10:16,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:10:16,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:10:16,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:10:16,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:10:16,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:10:16,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:16,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:16,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:16,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:16,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:16,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:16,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:16,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:16,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:16,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:16,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:16,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:16,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:10:16,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:10:16,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:10:16,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:10:16,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:10:16,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:10:16,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:16,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:16,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:16,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:16,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:16,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:16,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:16,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:16,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:16,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:16,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:16,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:10:16,715 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:16,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:16,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:16,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:16,718 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:16,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:16,719 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:16,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:10:16,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:16,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:16,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:16,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:16,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:16,721 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:16,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:16,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:16,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:16,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:16,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:16,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:16,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:16,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:16,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:16,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:16,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:16,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:10:16,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:10:16,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:16,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:16,727 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 519903e17542784e3e5f15e156d1440c82e3f912 [2020-12-01 23:10:17,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:17,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:17,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:17,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:17,160 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:17,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2020-12-01 23:10:17,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e266090bb/54845fd8a47c4b199a0b0ad104321796/FLAG53d38a22b [2020-12-01 23:10:17,891 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:17,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2020-12-01 23:10:17,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e266090bb/54845fd8a47c4b199a0b0ad104321796/FLAG53d38a22b [2020-12-01 23:10:17,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e266090bb/54845fd8a47c4b199a0b0ad104321796 [2020-12-01 23:10:17,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:17,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:17,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:17,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:17,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:17,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:17" (1/1) ... [2020-12-01 23:10:17,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b910b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:17, skipping insertion in model container [2020-12-01 23:10:17,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:17" (1/1) ... [2020-12-01 23:10:17,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:17,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:18,255 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c[6225,6238] [2020-12-01 23:10:18,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,270 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:18,331 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c[6225,6238] [2020-12-01 23:10:18,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,357 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:18,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18 WrapperNode [2020-12-01 23:10:18,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:18,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:18,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:18,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:18,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:18,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:18,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:18,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:18,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:18,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:18,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:18,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:18,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-01 23:10:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:10:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:10:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:10:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:10:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:10:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:10:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:10:19,552 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:10:19,552 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:10:19,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19 BoogieIcfgContainer [2020-12-01 23:10:19,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:10:19,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:10:19,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:10:19,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:10:19,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:17" (1/3) ... [2020-12-01 23:10:19,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf7a838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:19, skipping insertion in model container [2020-12-01 23:10:19,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (2/3) ... [2020-12-01 23:10:19,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf7a838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:19, skipping insertion in model container [2020-12-01 23:10:19,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19" (3/3) ... [2020-12-01 23:10:19,565 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2020-12-01 23:10:19,582 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:10:19,589 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:10:19,609 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:10:19,645 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:10:19,646 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:10:19,646 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:10:19,646 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:10:19,646 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:10:19,646 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:10:19,647 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:10:19,647 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:10:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-01 23:10:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 23:10:19,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:19,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:19,675 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:19,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:19,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 23:10:19,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:19,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743176699] [2020-12-01 23:10:19,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:10:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:10:19,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743176699] [2020-12-01 23:10:19,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:10:19,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:10:19,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290005099] [2020-12-01 23:10:19,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:10:19,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:10:19,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:10:19,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:10:19,918 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-01 23:10:19,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:10:19,982 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-01 23:10:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:10:19,984 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 23:10:19,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:10:20,029 INFO L225 Difference]: With dead ends: 227 [2020-12-01 23:10:20,029 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 23:10:20,035 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 [2020-12-01 23:10:20,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 23:10:20,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 23:10:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 23:10:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 23:10:20,111 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 23:10:20,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:10:20,113 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 23:10:20,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:10:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 23:10:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:10:20,116 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:10:20,117 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,120 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 23:10:20,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591315833] [2020-12-01 23:10:20,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,308 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,428 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,465 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:10:20,466 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:10:20,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:10:20,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:10:20 BoogieIcfgContainer [2020-12-01 23:10:20,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:10:20,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:10:20,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:10:20,533 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:10:20,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19" (3/4) ... [2020-12-01 23:10:20,539 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:10:20,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:10:20,545 INFO L168 Benchmark]: Toolchain (without parser) took 2614.89 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.9 MB in the beginning and 30.2 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,546 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 48.2 MB. Free memory is still 28.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.48 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.7 MB in the beginning and 31.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.63 ms. Allocated memory is still 58.7 MB. Free memory was 31.5 MB in the beginning and 28.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,551 INFO L168 Benchmark]: Boogie Preprocessor took 78.46 ms. Allocated memory is still 58.7 MB. Free memory was 28.1 MB in the beginning and 39.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,553 INFO L168 Benchmark]: RCFGBuilder took 1021.02 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 39.5 MB in the beginning and 46.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,555 INFO L168 Benchmark]: TraceAbstraction took 973.45 ms. Allocated memory is still 71.3 MB. Free memory was 46.0 MB in the beginning and 30.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,558 INFO L168 Benchmark]: Witness Printer took 8.19 ms. Allocated memory is still 71.3 MB. Free memory was 30.6 MB in the beginning and 30.2 MB in the end (delta: 428.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 48.2 MB. Free memory is still 28.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.48 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.7 MB in the beginning and 31.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.63 ms. Allocated memory is still 58.7 MB. Free memory was 31.5 MB in the beginning and 28.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.46 ms. Allocated memory is still 58.7 MB. Free memory was 28.1 MB in the beginning and 39.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1021.02 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 39.5 MB in the beginning and 46.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 973.45 ms. Allocated memory is still 71.3 MB. Free memory was 46.0 MB in the beginning and 30.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Witness Printer took 8.19 ms. Allocated memory is still 71.3 MB. Free memory was 30.6 MB in the beginning and 30.2 MB in the end (delta: 428.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 262]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 253, 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] [L262] 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, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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 0.2.0-096883e [2020-12-01 23:10:23,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:23,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:23,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-01 23:10:23,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:23,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:23,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:23,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:23,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:23,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:23,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:23,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:23,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:23,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:23,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:23,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:23,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-01 23:10:23,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:23,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:23,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:23,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:23,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:23,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:23,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:23,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:23,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:23,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:23,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:23,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:10:23,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:23,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:23,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:23,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:23,292 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:23,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:23,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:23,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:23,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:23,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:23,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:23,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:23,295 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:10:23,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:10:23,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:23,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:23,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:23,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:23,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:23,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:23,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:23,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:23,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:23,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:23,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:23,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:23,299 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:10:23,299 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:10:23,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:23,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:23,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:10:23,300 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 519903e17542784e3e5f15e156d1440c82e3f912 [2020-12-01 23:10:23,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:23,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:23,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:23,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:23,807 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:23,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2020-12-01 23:10:23,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ba377f3/9176b05a2863457789ffae605be6ba9a/FLAGf41007fa8 [2020-12-01 23:10:24,478 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:24,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2020-12-01 23:10:24,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ba377f3/9176b05a2863457789ffae605be6ba9a/FLAGf41007fa8 [2020-12-01 23:10:24,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ba377f3/9176b05a2863457789ffae605be6ba9a [2020-12-01 23:10:24,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:24,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:24,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:24,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:24,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:24,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:24" (1/1) ... [2020-12-01 23:10:24,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ec16c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:24, skipping insertion in model container [2020-12-01 23:10:24,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:24" (1/1) ... [2020-12-01 23:10:24,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:24,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:25,212 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c[6225,6238] [2020-12-01 23:10:25,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,237 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:25,303 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c[6225,6238] [2020-12-01 23:10:25,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,344 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:25,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25 WrapperNode [2020-12-01 23:10:25,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:25,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:25,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:25,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:25,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:25,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:25,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:25,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:25,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-01 23:10:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:10:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:10:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:10:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:10:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:10:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:10:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:11:17,348 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:11:17,348 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:11:17,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:17 BoogieIcfgContainer [2020-12-01 23:11:17,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:11:17,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:11:17,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:11:17,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:11:17,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:24" (1/3) ... [2020-12-01 23:11:17,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e274222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:17, skipping insertion in model container [2020-12-01 23:11:17,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (2/3) ... [2020-12-01 23:11:17,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e274222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:17, skipping insertion in model container [2020-12-01 23:11:17,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:17" (3/3) ... [2020-12-01 23:11:17,359 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2020-12-01 23:11:17,375 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:11:17,381 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:11:17,396 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:11:17,424 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:11:17,425 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:11:17,425 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:11:17,425 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:11:17,425 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:11:17,425 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:11:17,425 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:11:17,425 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:11:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-01 23:11:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 23:11:17,448 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:17,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:17,449 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:17,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:17,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 23:11:17,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:17,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884231926] [2020-12-01 23:11:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-01 23:11:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:11:17,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:11:17,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:11:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:11:17,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:11:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:11:18,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884231926] [2020-12-01 23:11:18,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:11:18,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:11:18,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650057836] [2020-12-01 23:11:18,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:11:18,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:11:18,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:11:18,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:11:18,036 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-01 23:11:18,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:11:18,071 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-01 23:11:18,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:11:18,073 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 23:11:18,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:11:18,086 INFO L225 Difference]: With dead ends: 227 [2020-12-01 23:11:18,086 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 23:11:18,090 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 [2020-12-01 23:11:18,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 23:11:18,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 23:11:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 23:11:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 23:11:18,149 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 23:11:18,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:11:18,150 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 23:11:18,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:11:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 23:11:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:11:18,151 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:18,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:18,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:11:18,366 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:18,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:18,369 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 23:11:18,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:18,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969849668] [2020-12-01 23:11:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-12-01 23:11:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:19,124 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:19,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:20,026 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:11:20,026 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:11:20,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:11:20,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:11:20 BoogieIcfgContainer [2020-12-01 23:11:20,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:11:20,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:11:20,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:11:20,286 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:11:20,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:17" (3/4) ... [2020-12-01 23:11:20,289 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:11:20,410 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:11:20,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:11:20,414 INFO L168 Benchmark]: Toolchain (without parser) took 55590.06 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 20.8 MB in the beginning and 30.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,417 INFO L168 Benchmark]: CDTParser took 1.41 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 23.7 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:11:20,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.24 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 36.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.50 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 33.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,420 INFO L168 Benchmark]: Boogie Preprocessor took 75.21 ms. Allocated memory is still 54.5 MB. Free memory was 33.0 MB in the beginning and 29.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,421 INFO L168 Benchmark]: RCFGBuilder took 51853.38 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.2 MB in the beginning and 35.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,423 INFO L168 Benchmark]: TraceAbstraction took 2932.54 ms. Allocated memory is still 67.1 MB. Free memory was 35.1 MB in the beginning and 34.5 MB in the end (delta: 538.7 kB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,424 INFO L168 Benchmark]: Witness Printer took 125.33 ms. Allocated memory is still 67.1 MB. Free memory was 34.5 MB in the beginning and 30.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 23.7 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 516.24 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 36.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.50 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 33.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.21 ms. Allocated memory is still 54.5 MB. Free memory was 33.0 MB in the beginning and 29.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 51853.38 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.2 MB in the beginning and 35.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2932.54 ms. Allocated memory is still 67.1 MB. Free memory was 35.1 MB in the beginning and 34.5 MB in the end (delta: 538.7 kB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. * Witness Printer took 125.33 ms. Allocated memory is still 67.1 MB. Free memory was 34.5 MB in the beginning and 30.3 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: 262]: a call to reach_error is reachable a call to reach_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] [L262] 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, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, 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=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s 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...