./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0683b.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 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 ..................................................................................................................................................................................................................................................................................................................................................................................................... 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_0683b.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 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 ......................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-096883e [2020-12-01 23:12:46,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:12:46,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:12:46,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:12:46,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:12:46,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:12:46,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:12:46,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:12:46,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:12:46,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:12:46,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:12:46,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:12:46,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:12:46,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:12:46,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:12:46,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:12:46,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:12:46,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:12:46,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:12:46,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:12:46,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:12:46,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:12:46,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:12:46,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:12:46,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:12:46,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:12:46,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:12:46,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:12:46,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:12:46,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:12:46,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:12:46,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:12:46,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:12:46,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:12:46,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:12:46,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:12:46,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:12:46,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:12:46,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:12:46,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:12:46,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:12:46,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:12:46,750 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:12:46,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:12:46,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:12:46,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:12:46,755 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:12:46,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:12:46,755 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:12:46,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:12:46,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:12:46,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:12:46,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:12:46,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:12:46,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:12:46,757 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:12:46,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:12:46,758 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:12:46,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:12:46,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:12:46,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:12:46,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:12:46,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:12:46,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:46,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:12:46,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:12:46,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:12:46,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:12:46,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:12:46,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:12:46,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:12:46,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 [2020-12-01 23:12:47,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:12:47,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:12:47,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:12:47,276 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:12:47,277 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:12:47,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-01 23:12:47,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/344547c5d/91e839ab6f2e43e286e54a6d523232ae/FLAGf420b8c32 [2020-12-01 23:12:48,061 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:12:48,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-01 23:12:48,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/344547c5d/91e839ab6f2e43e286e54a6d523232ae/FLAGf420b8c32 [2020-12-01 23:12:48,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/344547c5d/91e839ab6f2e43e286e54a6d523232ae [2020-12-01 23:12:48,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:12:48,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:12:48,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:48,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:12:48,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:12:48,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:48" (1/1) ... [2020-12-01 23:12:48,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e4463e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:48, skipping insertion in model container [2020-12-01 23:12:48,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:48" (1/1) ... [2020-12-01 23:12:48,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:12:48,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:12:48,791 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c[7144,7157] [2020-12-01 23:12:48,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:48,827 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:12:48,979 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c[7144,7157] [2020-12-01 23:12:48,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:49,020 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:12:49,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49 WrapperNode [2020-12-01 23:12:49,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:49,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:49,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:12:49,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:12:49,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:49,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:12:49,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:12:49,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:12:49,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... [2020-12-01 23:12:49,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:12:49,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:12:49,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:12:49,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:12:49,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:12:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:12:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:12:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:12:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:12:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:12:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:12:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:12:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:12:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:12:50,367 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:12:50,368 INFO L298 CfgBuilder]: Removed 56 assume(true) statements. [2020-12-01 23:12:50,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:50 BoogieIcfgContainer [2020-12-01 23:12:50,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:12:50,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:12:50,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:12:50,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:12:50,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:48" (1/3) ... [2020-12-01 23:12:50,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574747de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:50, skipping insertion in model container [2020-12-01 23:12:50,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:49" (2/3) ... [2020-12-01 23:12:50,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574747de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:50, skipping insertion in model container [2020-12-01 23:12:50,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:50" (3/3) ... [2020-12-01 23:12:50,380 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-12-01 23:12:50,396 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:12:50,400 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:12:50,411 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:12:50,440 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:12:50,440 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:12:50,440 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:12:50,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:12:50,441 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:12:50,441 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:12:50,441 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:12:50,441 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:12:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-12-01 23:12:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 23:12:50,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:50,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:50,470 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:50,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:50,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-12-01 23:12:50,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:50,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035623064] [2020-12-01 23:12:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:50,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035623064] [2020-12-01 23:12:50,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:50,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:12:50,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224905287] [2020-12-01 23:12:50,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:12:50,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:12:50,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:12:50,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:12:50,720 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-12-01 23:12:50,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:50,778 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2020-12-01 23:12:50,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:12:50,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 23:12:50,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:50,793 INFO L225 Difference]: With dead ends: 256 [2020-12-01 23:12:50,793 INFO L226 Difference]: Without dead ends: 125 [2020-12-01 23:12:50,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:12:50,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-01 23:12:50,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-01 23:12:50,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-01 23:12:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-12-01 23:12:50,859 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-12-01 23:12:50,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:50,859 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-12-01 23:12:50,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:12:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-12-01 23:12:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 23:12:50,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:50,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:50,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:12:50,861 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:50,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-12-01 23:12:50,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:50,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290175223] [2020-12-01 23:12:50,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:51,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290175223] [2020-12-01 23:12:51,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:51,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 23:12:51,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751577218] [2020-12-01 23:12:51,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:12:51,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:12:51,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:12:51,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:12:51,026 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-12-01 23:12:51,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:51,060 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-12-01 23:12:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:12:51,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-01 23:12:51,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:51,063 INFO L225 Difference]: With dead ends: 239 [2020-12-01 23:12:51,063 INFO L226 Difference]: Without dead ends: 125 [2020-12-01 23:12:51,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:12:51,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-01 23:12:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-01 23:12:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-01 23:12:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-12-01 23:12:51,079 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-12-01 23:12:51,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:51,079 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-12-01 23:12:51,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:12:51,079 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-12-01 23:12:51,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 23:12:51,080 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:51,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:51,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:12:51,081 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:51,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:51,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-12-01 23:12:51,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:51,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66063060] [2020-12-01 23:12:51,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:51,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:51,509 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:51,567 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:12:51,568 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:12:51,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 23:12:51,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:12:51 BoogieIcfgContainer [2020-12-01 23:12:51,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:12:51,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:12:51,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:12:51,680 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:12:51,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:50" (3/4) ... [2020-12-01 23:12:51,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:12:51,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:12:51,696 INFO L168 Benchmark]: Toolchain (without parser) took 3292.30 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 18.5 MB in the beginning and 24.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:51,697 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:51,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.47 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 18.3 MB in the beginning and 33.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:51,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.60 ms. Allocated memory is still 52.4 MB. Free memory was 33.3 MB in the beginning and 29.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:51,700 INFO L168 Benchmark]: Boogie Preprocessor took 84.85 ms. Allocated memory is still 52.4 MB. Free memory was 29.4 MB in the beginning and 25.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:51,701 INFO L168 Benchmark]: RCFGBuilder took 1106.77 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.6 MB in the beginning and 39.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:51,702 INFO L168 Benchmark]: TraceAbstraction took 1307.75 ms. Allocated memory is still 62.9 MB. Free memory was 38.8 MB in the beginning and 24.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:51,703 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 62.9 MB. Free memory is still 24.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:51,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 627.47 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 18.3 MB in the beginning and 33.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 151.60 ms. Allocated memory is still 52.4 MB. Free memory was 33.3 MB in the beginning and 29.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.85 ms. Allocated memory is still 52.4 MB. Free memory was 29.4 MB in the beginning and 25.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1106.77 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.6 MB in the beginning and 39.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1307.75 ms. Allocated memory is still 62.9 MB. Free memory was 38.8 MB in the beginning and 24.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.71 ms. Allocated memory is still 62.9 MB. Free memory is still 24.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 300]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. 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] [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; 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] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); 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] [L294] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; 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] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); 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] [L294] EXPR isinf_double(x) && isfinite_double(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] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && 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] [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 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] [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L300] 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, 129 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:12:54,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:12:54,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:12:54,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:12:54,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:12:54,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:12:54,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:12:54,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:12:54,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:12:54,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:12:54,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:12:54,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:12:54,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:12:54,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:12:54,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:12:54,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:12:54,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:12:54,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:12:54,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:12:54,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:12:54,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:12:54,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:12:54,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:12:54,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:12:54,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:12:54,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:12:54,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:12:54,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:12:54,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:12:54,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:12:54,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:12:54,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:12:54,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:12:54,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:12:54,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:12:54,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:12:54,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:12:54,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:12:54,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:12:54,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:12:54,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:12:54,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:12:54,415 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:12:54,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:12:54,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:12:54,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:12:54,419 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:12:54,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:12:54,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:12:54,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:12:54,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:12:54,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:12:54,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:12:54,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:12:54,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:12:54,423 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:12:54,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:12:54,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:12:54,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:12:54,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:12:54,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:12:54,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:12:54,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:12:54,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:12:54,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:54,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:12:54,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:12:54,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:12:54,426 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:12:54,427 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:12:54,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:12:54,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:12:54,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:12:54,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 [2020-12-01 23:12:54,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:12:54,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:12:54,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:12:54,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:12:54,942 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:12:54,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-01 23:12:55,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94176c0be/7a393e9157a14631a9f70ad8b8048e15/FLAGf98730b8c [2020-12-01 23:12:55,717 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:12:55,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-01 23:12:55,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94176c0be/7a393e9157a14631a9f70ad8b8048e15/FLAGf98730b8c [2020-12-01 23:12:56,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94176c0be/7a393e9157a14631a9f70ad8b8048e15 [2020-12-01 23:12:56,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:12:56,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:12:56,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:56,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:12:56,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:12:56,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b74ca71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56, skipping insertion in model container [2020-12-01 23:12:56,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:12:56,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:12:56,466 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c[7144,7157] [2020-12-01 23:12:56,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:56,510 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:12:56,685 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c[7144,7157] [2020-12-01 23:12:56,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:56,729 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:12:56,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56 WrapperNode [2020-12-01 23:12:56,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:56,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:56,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:12:56,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:12:56,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:56,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:12:56,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:12:56,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:12:56,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... [2020-12-01 23:12:56,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:12:56,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:12:56,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:12:56,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:12:56,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:12:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:12:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:12:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:12:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:12:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:12:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:12:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:12:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:12:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:13:48,885 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:13:48,886 INFO L298 CfgBuilder]: Removed 56 assume(true) statements. [2020-12-01 23:13:48,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:48 BoogieIcfgContainer [2020-12-01 23:13:48,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:13:48,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:13:48,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:13:48,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:13:48,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:56" (1/3) ... [2020-12-01 23:13:48,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fc908f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:48, skipping insertion in model container [2020-12-01 23:13:48,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:56" (2/3) ... [2020-12-01 23:13:48,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fc908f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:48, skipping insertion in model container [2020-12-01 23:13:48,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:48" (3/3) ... [2020-12-01 23:13:48,900 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-12-01 23:13:48,922 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:13:48,930 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:13:48,943 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:13:48,991 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:13:48,991 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:13:48,991 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:13:48,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:13:48,992 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:13:48,992 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:13:48,992 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:13:48,992 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:13:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-12-01 23:13:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 23:13:49,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:49,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:49,045 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:49,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:49,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-12-01 23:13:49,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:49,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257130505] [2020-12-01 23:13:49,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 23:13:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:49,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:13:49,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:13:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:49,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:13:49,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:49,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257130505] [2020-12-01 23:13:49,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:49,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:13:49,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593592207] [2020-12-01 23:13:49,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:13:49,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:13:49,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:13:49,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:49,716 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-12-01 23:13:49,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:49,790 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2020-12-01 23:13:49,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:13:49,793 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 23:13:49,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:49,809 INFO L225 Difference]: With dead ends: 256 [2020-12-01 23:13:49,810 INFO L226 Difference]: Without dead ends: 125 [2020-12-01 23:13:49,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:49,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-01 23:13:49,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-01 23:13:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-01 23:13:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-12-01 23:13:49,887 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-12-01 23:13:49,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:49,887 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-12-01 23:13:49,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:13:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-12-01 23:13:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 23:13:49,891 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:49,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:50,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:13:50,108 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:50,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:50,110 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-12-01 23:13:50,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:50,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979885101] [2020-12-01 23:13:50,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 23:13:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:50,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 23:13:50,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:13:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:50,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:13:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:50,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979885101] [2020-12-01 23:13:50,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:50,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-01 23:13:50,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198227227] [2020-12-01 23:13:50,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:13:50,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:13:50,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:13:50,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:13:50,800 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-12-01 23:13:51,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:51,153 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-12-01 23:13:51,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:13:51,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-01 23:13:51,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:51,157 INFO L225 Difference]: With dead ends: 239 [2020-12-01 23:13:51,158 INFO L226 Difference]: Without dead ends: 125 [2020-12-01 23:13:51,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:13:51,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-01 23:13:51,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-01 23:13:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-01 23:13:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-12-01 23:13:51,174 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-12-01 23:13:51,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:51,175 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-12-01 23:13:51,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:13:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-12-01 23:13:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 23:13:51,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:51,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:51,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:13:51,392 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:51,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:51,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-12-01 23:13:51,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:51,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549487000] [2020-12-01 23:13:51,397 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 [2020-12-01 23:13:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:52,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:53,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:53,392 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:13:53,392 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:13:53,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 23:13:53,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:13:53 BoogieIcfgContainer [2020-12-01 23:13:53,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:13:53,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:13:53,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:13:53,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:13:53,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:48" (3/4) ... [2020-12-01 23:13:53,748 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:13:53,882 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:13:53,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:13:53,885 INFO L168 Benchmark]: Toolchain (without parser) took 57829.82 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 18.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:53,886 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 37.7 MB. Free memory was 23.6 MB in the beginning and 23.5 MB in the end (delta: 22.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:53,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.13 ms. Allocated memory is still 54.5 MB. Free memory was 30.3 MB in the beginning and 26.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:53,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.77 ms. Allocated memory is still 54.5 MB. Free memory was 26.1 MB in the beginning and 35.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:53,888 INFO L168 Benchmark]: Boogie Preprocessor took 104.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.4 MB in the beginning and 31.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:53,889 INFO L168 Benchmark]: RCFGBuilder took 51944.43 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 31.6 MB in the end (delta: -399.8 kB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:53,890 INFO L168 Benchmark]: TraceAbstraction took 4852.78 ms. Allocated memory is still 67.1 MB. Free memory was 31.3 MB in the beginning and 24.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:53,890 INFO L168 Benchmark]: Witness Printer took 137.79 ms. Allocated memory is still 67.1 MB. Free memory was 24.3 MB in the beginning and 18.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:53,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 37.7 MB. Free memory was 23.6 MB in the beginning and 23.5 MB in the end (delta: 22.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 674.13 ms. Allocated memory is still 54.5 MB. Free memory was 30.3 MB in the beginning and 26.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.77 ms. Allocated memory is still 54.5 MB. Free memory was 26.1 MB in the beginning and 35.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.4 MB in the beginning and 31.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 51944.43 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 31.6 MB in the end (delta: -399.8 kB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4852.78 ms. Allocated memory is still 67.1 MB. Free memory was 31.3 MB in the beginning and 24.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Witness Printer took 137.79 ms. Allocated memory is still 67.1 MB. Free memory was 24.3 MB in the beginning and 18.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 300]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L294] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && 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={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L300] reach_error() VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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, 129 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred 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, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 291 ConjunctsInSsa, 3 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...