./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=/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_0662b.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 c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 .................................................................................................................................................................................................................................................................................................................................... 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_0662b.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 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 [2020-10-24 23:08:43,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:08:43,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:08:43,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:08:43,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:08:43,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:08:43,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:08:43,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:08:43,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:08:43,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:08:43,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:08:43,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:08:43,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:08:43,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:08:43,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:08:43,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:08:43,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:08:43,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:08:43,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:08:43,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:08:43,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:08:43,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:08:43,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:08:43,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:08:43,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:08:43,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:08:43,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:08:43,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:08:43,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:08:43,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:08:43,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:08:43,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:08:43,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:08:43,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:08:43,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:08:43,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:08:43,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:08:43,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:08:43,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:08:43,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:08:43,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:08:43,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:08:43,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:08:43,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:08:43,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:08:43,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:08:43,635 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:08:43,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:08:43,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:08:43,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:08:43,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:08:43,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:08:43,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:08:43,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:08:43,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:08:43,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:08:43,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:08:43,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:08:43,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:08:43,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:08:43,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:08:43,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:08:43,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:08:43,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:08:43,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:08:43,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:08:43,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:08:43,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:08:43,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:08:43,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:08:43,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:08:43,643 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 [2020-10-24 23:08:44,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:08:44,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:08:44,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:08:44,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:08:44,164 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:08:44,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-10-24 23:08:44,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee8bd3db/de128f6db7ba45c5b9d51b6254c761f9/FLAGa7005c04d [2020-10-24 23:08:44,942 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:08:44,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-10-24 23:08:44,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee8bd3db/de128f6db7ba45c5b9d51b6254c761f9/FLAGa7005c04d [2020-10-24 23:08:45,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee8bd3db/de128f6db7ba45c5b9d51b6254c761f9 [2020-10-24 23:08:45,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:08:45,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:08:45,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:08:45,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:08:45,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:08:45,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:45" (1/1) ... [2020-10-24 23:08:45,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd12afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:45, skipping insertion in model container [2020-10-24 23:08:45,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:45" (1/1) ... [2020-10-24 23:08:45,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:08:45,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:08:45,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:08:45,867 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:08:45,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:08:46,026 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:08:46,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46 WrapperNode [2020-10-24 23:08:46,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:08:46,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:08:46,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:08:46,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:08:46,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:08:46,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:08:46,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:08:46,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:08:46,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (1/1) ... [2020-10-24 23:08:46,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:08:46,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:08:46,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:08:46,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:08:46,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (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 [2020-10-24 23:08:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:08:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:08:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:08:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:08:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:08:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:08:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:08:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:08:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:08:46,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:08:47,264 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:08:47,265 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:08:47,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:47 BoogieIcfgContainer [2020-10-24 23:08:47,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:08:47,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:08:47,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:08:47,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:08:47,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:08:45" (1/3) ... [2020-10-24 23:08:47,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1b3a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:47, skipping insertion in model container [2020-10-24 23:08:47,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46" (2/3) ... [2020-10-24 23:08:47,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1b3a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:47, skipping insertion in model container [2020-10-24 23:08:47,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:47" (3/3) ... [2020-10-24 23:08:47,282 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2020-10-24 23:08:47,298 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:08:47,304 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:08:47,318 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:08:47,366 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:08:47,367 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:08:47,367 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:08:47,367 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:08:47,367 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:08:47,367 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:08:47,368 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:08:47,368 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:08:47,390 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-24 23:08:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:08:47,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:08:47,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:08:47,396 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:08:47,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:08:47,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-24 23:08:47,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:08:47,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783911038] [2020-10-24 23:08:47,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:08:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:08:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:08:47,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783911038] [2020-10-24 23:08:47,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:08:47,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:08:47,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604942425] [2020-10-24 23:08:47,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:08:47,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:08:47,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:08:47,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:08:47,660 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-24 23:08:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:08:47,724 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-24 23:08:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:08:47,726 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 23:08:47,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:08:47,744 INFO L225 Difference]: With dead ends: 228 [2020-10-24 23:08:47,744 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 23:08:47,750 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 [2020-10-24 23:08:47,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 23:08:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-24 23:08:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:08:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-24 23:08:47,836 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-24 23:08:47,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:08:47,837 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-24 23:08:47,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:08:47,838 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-24 23:08:47,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 23:08:47,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:08:47,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:08:47,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:08:47,841 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:08:47,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:08:47,843 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-24 23:08:47,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:08:47,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771897316] [2020-10-24 23:08:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:08:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:08:47,959 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:08:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:08:48,020 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:08:48,057 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:08:48,058 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:08:48,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:08:48,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:08:48 BoogieIcfgContainer [2020-10-24 23:08:48,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:08:48,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:08:48,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:08:48,147 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:08:48,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:47" (3/4) ... [2020-10-24 23:08:48,151 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:08:48,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:08:48,156 INFO L168 Benchmark]: Toolchain (without parser) took 2834.84 ms. Allocated memory was 50.3 MB in the beginning and 83.9 MB in the end (delta: 33.6 MB). Free memory was 26.9 MB in the beginning and 62.1 MB in the end (delta: -35.2 MB). Peak memory consumption was 309.1 kB. Max. memory is 16.1 GB. [2020-10-24 23:08:48,158 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 50.3 MB. Free memory was 31.6 MB in the beginning and 31.5 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:08:48,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.29 ms. Allocated memory is still 50.3 MB. Free memory was 26.2 MB in the beginning and 25.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:48,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.77 ms. Allocated memory is still 50.3 MB. Free memory was 24.9 MB in the beginning and 21.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:48,161 INFO L168 Benchmark]: Boogie Preprocessor took 88.97 ms. Allocated memory is still 50.3 MB. Free memory was 21.4 MB in the beginning and 32.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:48,163 INFO L168 Benchmark]: RCFGBuilder took 1010.56 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 32.2 MB in the beginning and 43.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:48,164 INFO L168 Benchmark]: TraceAbstraction took 872.53 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 62.6 MB in the end (delta: -19.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:48,167 INFO L168 Benchmark]: Witness Printer took 5.55 ms. Allocated memory is still 83.9 MB. Free memory was 62.6 MB in the beginning and 62.1 MB in the end (delta: 523.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:08:48,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 50.3 MB. Free memory was 31.6 MB in the beginning and 31.5 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 699.29 ms. Allocated memory is still 50.3 MB. Free memory was 26.2 MB in the beginning and 25.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.77 ms. Allocated memory is still 50.3 MB. Free memory was 24.9 MB in the beginning and 21.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.97 ms. Allocated memory is still 50.3 MB. Free memory was 21.4 MB in the beginning and 32.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1010.56 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 32.2 MB in the beginning and 43.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 872.53 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 62.6 MB in the end (delta: -19.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.55 ms. Allocated memory is still 83.9 MB. Free memory was 62.6 MB in the beginning and 62.1 MB in the end (delta: 523.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of 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: 0.6s, 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=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, 0.1s 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 [2020-10-24 23:08:50,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:08:50,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:08:51,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 23:08:51,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:08:51,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:08:51,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:08:51,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:08:51,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:08:51,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:08:51,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:08:51,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:08:51,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:08:51,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:08:51,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:08:51,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:08:51,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 23:08:51,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:08:51,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:08:51,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:08:51,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:08:51,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:08:51,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:08:51,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:08:51,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:08:51,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:08:51,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:08:51,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:08:51,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:08:51,145 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:08:51,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:08:51,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:08:51,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:08:51,151 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:08:51,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:08:51,151 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:08:51,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:08:51,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:08:51,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:08:51,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:08:51,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:08:51,154 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:08:51,154 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:08:51,155 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:08:51,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:08:51,155 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:08:51,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:08:51,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:08:51,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:08:51,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:08:51,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:08:51,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:08:51,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:08:51,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:08:51,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:08:51,158 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:08:51,158 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:08:51,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:08:51,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:08:51,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:08:51,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 [2020-10-24 23:08:51,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:08:51,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:08:51,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:08:51,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:08:51,642 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:08:51,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-10-24 23:08:51,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd461b28/76a77e77e80d419d8f28afcdfeab1b3b/FLAG8b07364f2 [2020-10-24 23:08:52,436 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:08:52,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-10-24 23:08:52,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd461b28/76a77e77e80d419d8f28afcdfeab1b3b/FLAG8b07364f2 [2020-10-24 23:08:52,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd461b28/76a77e77e80d419d8f28afcdfeab1b3b [2020-10-24 23:08:52,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:08:52,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:08:52,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:08:52,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:08:52,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:08:52,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:52" (1/1) ... [2020-10-24 23:08:52,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5486a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:52, skipping insertion in model container [2020-10-24 23:08:52,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:52" (1/1) ... [2020-10-24 23:08:52,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:08:52,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:08:53,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:08:53,175 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:08:53,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:08:53,292 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:08:53,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53 WrapperNode [2020-10-24 23:08:53,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:08:53,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:08:53,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:08:53,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:08:53,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:08:53,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:08:53,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:08:53,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:08:53,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (1/1) ... [2020-10-24 23:08:53,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:08:53,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:08:53,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:08:53,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:08:53,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (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 [2020-10-24 23:08:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:08:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:08:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:08:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:08:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:08:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:08:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:08:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:08:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:08:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:09:36,008 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:09:36,010 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:09:36,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:36 BoogieIcfgContainer [2020-10-24 23:09:36,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:09:36,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:09:36,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:09:36,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:09:36,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:08:52" (1/3) ... [2020-10-24 23:09:36,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e8a98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:36, skipping insertion in model container [2020-10-24 23:09:36,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:53" (2/3) ... [2020-10-24 23:09:36,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e8a98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:36, skipping insertion in model container [2020-10-24 23:09:36,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:36" (3/3) ... [2020-10-24 23:09:36,028 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2020-10-24 23:09:36,043 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:09:36,050 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:09:36,065 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:09:36,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:09:36,124 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:09:36,124 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:09:36,125 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:09:36,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:09:36,125 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:09:36,125 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:09:36,125 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:09:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-24 23:09:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:09:36,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:09:36,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:09:36,180 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:09:36,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:09:36,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-24 23:09:36,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:09:36,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805515607] [2020-10-24 23:09:36,213 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 [2020-10-24 23:09:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:09:36,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:09:36,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:09:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:09:36,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:09:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:09:36,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805515607] [2020-10-24 23:09:36,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:09:36,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:09:36,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018037293] [2020-10-24 23:09:36,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:09:36,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:09:36,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:09:36,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:09:36,948 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-24 23:09:37,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:09:37,012 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-24 23:09:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:09:37,014 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 23:09:37,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:09:37,033 INFO L225 Difference]: With dead ends: 228 [2020-10-24 23:09:37,033 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 23:09:37,038 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 [2020-10-24 23:09:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 23:09:37,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-24 23:09:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:09:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-24 23:09:37,112 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-24 23:09:37,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:09:37,112 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-24 23:09:37,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:09:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-24 23:09:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 23:09:37,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:09:37,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:09:37,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:09:37,322 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:09:37,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:09:37,324 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-24 23:09:37,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:09:37,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77712233] [2020-10-24 23:09:37,326 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 [2020-10-24 23:09:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:09:38,088 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:09:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:09:38,807 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:09:39,015 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:09:39,016 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:09:39,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:09:39,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:09:39 BoogieIcfgContainer [2020-10-24 23:09:39,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:09:39,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:09:39,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:09:39,311 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:09:39,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:36" (3/4) ... [2020-10-24 23:09:39,314 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:09:39,392 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:09:39,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:09:39,395 INFO L168 Benchmark]: Toolchain (without parser) took 46598.75 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.8 MB in the beginning and 29.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:39,396 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 39.8 MB. Free memory was 20.3 MB in the beginning and 20.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:09:39,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.61 ms. Allocated memory is still 48.2 MB. Free memory was 25.1 MB in the beginning and 31.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:39,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.79 ms. Allocated memory is still 48.2 MB. Free memory was 31.3 MB in the beginning and 27.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:39,398 INFO L168 Benchmark]: Boogie Preprocessor took 113.48 ms. Allocated memory is still 48.2 MB. Free memory was 27.5 MB in the beginning and 23.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:39,399 INFO L168 Benchmark]: RCFGBuilder took 42518.82 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.7 MB in the beginning and 38.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:39,399 INFO L168 Benchmark]: TraceAbstraction took 3292.31 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 33.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:39,400 INFO L168 Benchmark]: Witness Printer took 82.51 ms. Allocated memory is still 58.7 MB. Free memory was 33.8 MB in the beginning and 29.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:39,404 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 39.8 MB. Free memory was 20.3 MB in the beginning and 20.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.61 ms. Allocated memory is still 48.2 MB. Free memory was 25.1 MB in the beginning and 31.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.79 ms. Allocated memory is still 48.2 MB. Free memory was 31.3 MB in the beginning and 27.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.48 ms. Allocated memory is still 48.2 MB. Free memory was 27.5 MB in the beginning and 23.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 42518.82 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.7 MB in the beginning and 38.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3292.31 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 33.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * Witness Printer took 82.51 ms. Allocated memory is still 58.7 MB. Free memory was 33.8 MB in the beginning and 29.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = 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: 3.1s, 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, 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...