./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0680b.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_0680b.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 fde0eb35cf23814e4040eccb9c957e33daaeadbf ................................................................................................................................................................................................................................................................................................................................... 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_0680b.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 fde0eb35cf23814e4040eccb9c957e33daaeadbf ........................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:09:44,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:09:44,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:09:44,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:09:44,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:09:44,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:09:44,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:09:44,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:09:44,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:09:44,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:09:44,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:09:44,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:09:44,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:09:44,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:09:44,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:09:44,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:09:44,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:09:44,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:09:44,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:09:44,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:09:44,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:09:44,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:09:44,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:09:44,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:09:44,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:09:44,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:09:44,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:09:44,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:09:44,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:09:44,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:09:44,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:09:44,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:09:44,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:09:44,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:09:44,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:09:44,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:09:44,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:09:44,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:09:44,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:09:44,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:09:44,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:09:44,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:09:44,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:09:44,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:09:44,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:09:44,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:09:44,537 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:09:44,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:09:44,537 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:09:44,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:09:44,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:09:44,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:09:44,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:09:44,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:09:44,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:09:44,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:09:44,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:09:44,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:09:44,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:09:44,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:09:44,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:09:44,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:09:44,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:09:44,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:09:44,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:09:44,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:09:44,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:09:44,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:09:44,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:09:44,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:09:44,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:09:44,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fde0eb35cf23814e4040eccb9c957e33daaeadbf [2020-10-24 23:09:45,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:09:45,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:09:45,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:09:45,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:09:45,292 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:09:45,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2020-10-24 23:09:45,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324f743fb/f9e62161d8cd44e6877f2c5e7116ddd4/FLAG6140d6e1c [2020-10-24 23:09:46,440 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:09:46,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2020-10-24 23:09:46,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324f743fb/f9e62161d8cd44e6877f2c5e7116ddd4/FLAG6140d6e1c [2020-10-24 23:09:46,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324f743fb/f9e62161d8cd44e6877f2c5e7116ddd4 [2020-10-24 23:09:46,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:09:46,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:09:46,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:09:46,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:09:46,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:09:46,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:46" (1/1) ... [2020-10-24 23:09:46,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e09b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:46, skipping insertion in model container [2020-10-24 23:09:46,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:46" (1/1) ... [2020-10-24 23:09:46,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:09:46,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:09:47,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:09:47,277 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:09:47,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:09:47,366 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:09:47,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47 WrapperNode [2020-10-24 23:09:47,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:09:47,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:09:47,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:09:47,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:09:47,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:09:47,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:09:47,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:09:47,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:09:47,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (1/1) ... [2020-10-24 23:09:47,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:09:47,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:09:47,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:09:47,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:09:47,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (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 23:09:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:09:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:09:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:09:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:09:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:09:48,717 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:09:48,717 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:09:48,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:48 BoogieIcfgContainer [2020-10-24 23:09:48,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:09:48,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:09:48,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:09:48,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:09:48,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:09:46" (1/3) ... [2020-10-24 23:09:48,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b664001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:48, skipping insertion in model container [2020-10-24 23:09:48,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:47" (2/3) ... [2020-10-24 23:09:48,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b664001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:48, skipping insertion in model container [2020-10-24 23:09:48,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:48" (3/3) ... [2020-10-24 23:09:48,729 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2020-10-24 23:09:48,743 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:09:48,749 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:09:48,763 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:09:48,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:09:48,793 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:09:48,793 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:09:48,793 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:09:48,793 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:09:48,793 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:09:48,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:09:48,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:09:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-24 23:09:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:09:48,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:09:48,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:09:48,821 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:09:48,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:09:48,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-24 23:09:48,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:09:48,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55612352] [2020-10-24 23:09:48,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:09:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:09:49,036 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 23:09:49,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55612352] [2020-10-24 23:09:49,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:09:49,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:09:49,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133169671] [2020-10-24 23:09:49,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:09:49,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:09:49,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:09:49,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:09:49,067 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-24 23:09:49,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:09:49,107 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-24 23:09:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:09:49,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:09:49,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:09:49,125 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:09:49,125 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 23:09:49,129 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 23:09:49,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 23:09:49,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-24 23:09:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-24 23:09:49,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-24 23:09:49,179 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-24 23:09:49,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:09:49,180 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-24 23:09:49,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:09:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-24 23:09:49,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:09:49,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:09:49,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:09:49,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:09:49,182 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:09:49,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:09:49,183 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-24 23:09:49,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:09:49,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165336370] [2020-10-24 23:09:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:09:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:09:49,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:09:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:09:49,442 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:09:49,493 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:09:49,493 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:09:49,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:09:49,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:09:49 BoogieIcfgContainer [2020-10-24 23:09:49,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:09:49,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:09:49,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:09:49,587 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:09:49,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:48" (3/4) ... [2020-10-24 23:09:49,592 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:09:49,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:09:49,599 INFO L168 Benchmark]: Toolchain (without parser) took 2908.26 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 18.9 MB in the beginning and 33.3 MB in the end (delta: -14.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:49,600 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 33.6 MB. Free memory was 16.4 MB in the beginning and 16.4 MB in the end (delta: 18.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:09:49,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.49 ms. Allocated memory is still 41.9 MB. Free memory was 18.3 MB in the beginning and 22.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:49,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.25 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 18.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:49,604 INFO L168 Benchmark]: Boogie Preprocessor took 96.42 ms. Allocated memory is still 41.9 MB. Free memory was 18.9 MB in the beginning and 24.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:49,606 INFO L168 Benchmark]: RCFGBuilder took 1171.65 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 24.1 MB in the beginning and 29.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:49,608 INFO L168 Benchmark]: TraceAbstraction took 863.71 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 33.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:49,611 INFO L168 Benchmark]: Witness Printer took 5.26 ms. Allocated memory is still 62.9 MB. Free memory was 33.6 MB in the beginning and 33.3 MB in the end (delta: 328.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:49,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 33.6 MB. Free memory was 16.4 MB in the beginning and 16.4 MB in the end (delta: 18.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 671.49 ms. Allocated memory is still 41.9 MB. Free memory was 18.3 MB in the beginning and 22.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.25 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 18.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.42 ms. Allocated memory is still 41.9 MB. Free memory was 18.9 MB in the beginning and 24.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1171.65 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 24.1 MB in the beginning and 29.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 863.71 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 33.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.26 ms. Allocated memory is still 62.9 MB. Free memory was 33.6 MB in the beginning and 33.3 MB in the end (delta: 328.3 kB). Peak memory consumption was 2.1 MB. 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 253, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 257. 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 = 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] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi 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_0680b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:09:52,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:09:52,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:09:52,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:09:52,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:09:52,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:09:52,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:09:52,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:09:52,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:09:52,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:09:52,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:09:52,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:09:52,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:09:52,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:09:52,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:09:52,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:09:52,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:09:52,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:09:52,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:09:52,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:09:52,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:09:52,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:09:52,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:09:52,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:09:52,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:09:52,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:09:52,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:09:52,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:09:52,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:09:52,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:09:52,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:09:52,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:09:52,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:09:52,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:09:52,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:09:52,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:09:52,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:09:52,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:09:52,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:09:52,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:09:52,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:09:52,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:09:52,632 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:09:52,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:09:52,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:09:52,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:09:52,634 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:09:52,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:09:52,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:09:52,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:09:52,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:09:52,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:09:52,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:09:52,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:09:52,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:09:52,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:09:52,637 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:09:52,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:09:52,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:09:52,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:09:52,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:09:52,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:09:52,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:09:52,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:09:52,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:09:52,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:09:52,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:09:52,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:09:52,639 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:09:52,640 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:09:52,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:09:52,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:09:52,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:09:52,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fde0eb35cf23814e4040eccb9c957e33daaeadbf [2020-10-24 23:09:53,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:09:53,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:09:53,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:09:53,081 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:09:53,082 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:09:53,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2020-10-24 23:09:53,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c77268de/b578ef0f91ba42ef93e7b73a572e8540/FLAGe074d243d [2020-10-24 23:09:54,016 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:09:54,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2020-10-24 23:09:54,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c77268de/b578ef0f91ba42ef93e7b73a572e8540/FLAGe074d243d [2020-10-24 23:09:54,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c77268de/b578ef0f91ba42ef93e7b73a572e8540 [2020-10-24 23:09:54,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:09:54,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:09:54,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:09:54,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:09:54,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:09:54,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:54,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bc957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54, skipping insertion in model container [2020-10-24 23:09:54,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:54,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:09:54,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:09:54,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:09:54,620 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:09:54,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:09:54,786 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:09:54,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54 WrapperNode [2020-10-24 23:09:54,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:09:54,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:09:54,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:09:54,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:09:54,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:54,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:54,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:09:54,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:09:54,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:09:54,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:09:54,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:54,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:54,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:54,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:55,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:55,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:55,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (1/1) ... [2020-10-24 23:09:55,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:09:55,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:09:55,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:09:55,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:09:55,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (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 23:09:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:09:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:09:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:09:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:09:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:09:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:09:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:09:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:09:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:09:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:10:35,685 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:10:35,686 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:10:35,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:35 BoogieIcfgContainer [2020-10-24 23:10:35,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:10:35,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:10:35,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:10:35,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:10:35,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:09:54" (1/3) ... [2020-10-24 23:10:35,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b21f28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:10:35, skipping insertion in model container [2020-10-24 23:10:35,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:54" (2/3) ... [2020-10-24 23:10:35,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b21f28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:10:35, skipping insertion in model container [2020-10-24 23:10:35,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:35" (3/3) ... [2020-10-24 23:10:35,699 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2020-10-24 23:10:35,718 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:10:35,724 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:10:35,736 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:10:35,763 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:10:35,763 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:10:35,763 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:10:35,764 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:10:35,764 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:10:35,764 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:10:35,764 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:10:35,764 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:10:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-24 23:10:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:10:35,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:35,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:10:35,790 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:35,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:35,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-24 23:10:35,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:10:35,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371477420] [2020-10-24 23:10:35,813 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 23:10:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:10:36,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:10:36,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:10:36,338 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 23:10:36,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:10:36,342 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 23:10:36,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371477420] [2020-10-24 23:10:36,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:10:36,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:10:36,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442105232] [2020-10-24 23:10:36,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:10:36,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:10:36,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:10:36,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:10:36,371 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-24 23:10:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:10:36,405 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-24 23:10:36,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:10:36,406 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:10:36,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:10:36,418 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:10:36,418 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 23:10:36,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:10:36,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 23:10:36,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-24 23:10:36,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-24 23:10:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-24 23:10:36,476 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-24 23:10:36,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:10:36,477 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-24 23:10:36,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:10:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-24 23:10:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:10:36,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:36,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:10:36,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:10:36,694 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:36,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:36,696 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-24 23:10:36,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:10:36,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971253968] [2020-10-24 23:10:36,698 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 23:10:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:10:37,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-24 23:10:37,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:10:37,605 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 23:10:37,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:10:37,803 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:10:38,120 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:10:38,371 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 23:10:38,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971253968] [2020-10-24 23:10:38,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:10:38,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-24 23:10:38,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132501512] [2020-10-24 23:10:38,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 23:10:38,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:10:38,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 23:10:38,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-24 23:10:38,383 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand 12 states. [2020-10-24 23:10:40,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:10:40,938 INFO L93 Difference]: Finished difference Result 161 states and 226 transitions. [2020-10-24 23:10:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:10:40,940 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2020-10-24 23:10:40,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:10:40,949 INFO L225 Difference]: With dead ends: 161 [2020-10-24 23:10:40,949 INFO L226 Difference]: Without dead ends: 71 [2020-10-24 23:10:40,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-24 23:10:40,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-24 23:10:40,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-24 23:10:40,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-24 23:10:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-10-24 23:10:40,982 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 12 [2020-10-24 23:10:40,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:10:40,984 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-10-24 23:10:40,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 23:10:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-10-24 23:10:40,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-24 23:10:40,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:40,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:10:41,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:10:41,191 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:41,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:41,193 INFO L82 PathProgramCache]: Analyzing trace with hash 810615587, now seen corresponding path program 1 times [2020-10-24 23:10:41,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:10:41,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258862117] [2020-10-24 23:10:41,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 23:10:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:10:42,069 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:10:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:10:42,862 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:10:42,998 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:10:42,998 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:10:43,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:10:43,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:10:43 BoogieIcfgContainer [2020-10-24 23:10:43,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:10:43,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:10:43,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:10:43,272 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:10:43,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:35" (3/4) ... [2020-10-24 23:10:43,275 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:10:43,367 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:10:43,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:10:43,370 INFO L168 Benchmark]: Toolchain (without parser) took 49096.79 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 38.0 MB in the beginning and 36.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:43,370 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory was 28.7 MB in the beginning and 28.6 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:10:43,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.70 ms. Allocated memory is still 54.5 MB. Free memory was 37.4 MB in the beginning and 34.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:43,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.31 ms. Allocated memory is still 54.5 MB. Free memory was 34.7 MB in the beginning and 31.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:43,372 INFO L168 Benchmark]: Boogie Preprocessor took 146.01 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 27.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:43,373 INFO L168 Benchmark]: RCFGBuilder took 40596.22 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 27.2 MB in the beginning and 36.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:43,374 INFO L168 Benchmark]: TraceAbstraction took 7578.84 ms. Allocated memory is still 69.2 MB. Free memory was 36.1 MB in the beginning and 42.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:43,375 INFO L168 Benchmark]: Witness Printer took 95.66 ms. Allocated memory is still 69.2 MB. Free memory was 42.5 MB in the beginning and 36.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:43,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory was 28.7 MB in the beginning and 28.6 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 509.70 ms. Allocated memory is still 54.5 MB. Free memory was 37.4 MB in the beginning and 34.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 151.31 ms. Allocated memory is still 54.5 MB. Free memory was 34.7 MB in the beginning and 31.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 146.01 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 27.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40596.22 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 27.2 MB in the beginning and 36.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7578.84 ms. Allocated memory is still 69.2 MB. Free memory was 36.1 MB in the beginning and 42.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 95.66 ms. Allocated memory is still 69.2 MB. Free memory was 42.5 MB in the beginning and 36.9 MB in the end (delta: 5.7 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 = 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 FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) 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] [L166] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L168] m = ((hy >> 31) & 1) | ((hx >> 30) & 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] [L170] COND FALSE !((iy | ly) == 0) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L182] COND TRUE (ix | lx) == 0 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L183] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 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] [L183] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi 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_0680b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 613 SDslu, 14 SDs, 0 SdLazy, 31 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 13 QuantifiedInterpolants, 4947 SizeOfPredicates, 16 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...