./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0661b.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_0661b.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 ffb28dc7082592252204f454b15d9526630e5ef2 ........................................................................................................................................................................................................................................................................................................................................ 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_0661b.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 ffb28dc7082592252204f454b15d9526630e5ef2 ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-096883e [2020-12-01 23:10:16,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:16,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:16,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:10:16,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:10:16,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:10:16,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:10:16,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:10:16,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:10:16,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:10:16,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:10:16,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:10:16,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:16,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:16,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:16,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:16,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:16,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:16,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:16,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:16,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:16,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:16,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:16,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:16,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:10:16,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:10:16,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:10:16,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:10:16,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:10:16,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:10:16,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:16,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:16,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:16,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:16,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:16,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:16,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:16,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:16,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:16,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:16,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:16,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:10:16,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:16,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:16,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:16,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:16,679 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:16,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:16,679 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:16,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:10:16,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:16,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:16,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:16,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:16,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:16,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:16,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:16,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:16,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:16,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:16,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:16,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:16,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:16,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:16,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:16,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:16,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:16,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:10:16,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:10:16,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:16,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:16,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffb28dc7082592252204f454b15d9526630e5ef2 [2020-12-01 23:10:17,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:17,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:17,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:17,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:17,094 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:17,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2020-12-01 23:10:17,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1718df3b9/1c16588322b943db89f8575da85d8449/FLAG66dae1635 [2020-12-01 23:10:17,913 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:17,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2020-12-01 23:10:17,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1718df3b9/1c16588322b943db89f8575da85d8449/FLAG66dae1635 [2020-12-01 23:10:18,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1718df3b9/1c16588322b943db89f8575da85d8449 [2020-12-01 23:10:18,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:18,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:18,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:18,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:18,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:18,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb6abd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18, skipping insertion in model container [2020-12-01 23:10:18,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:18,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:18,654 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_0661b.c[6444,6457] [2020-12-01 23:10:18,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,682 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:18,787 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_0661b.c[6444,6457] [2020-12-01 23:10:18,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,816 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:18,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18 WrapperNode [2020-12-01 23:10:18,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:18,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:18,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:18,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:18,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:18,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:18,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:18,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:18,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:18,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:18,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:18,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:18,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:10:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:10:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:10:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:10:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:10:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:10:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:10:20,036 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:10:20,037 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-12-01 23:10:20,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:20 BoogieIcfgContainer [2020-12-01 23:10:20,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:10:20,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:10:20,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:10:20,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:10:20,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:18" (1/3) ... [2020-12-01 23:10:20,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4bebe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:20, skipping insertion in model container [2020-12-01 23:10:20,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (2/3) ... [2020-12-01 23:10:20,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4bebe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:20, skipping insertion in model container [2020-12-01 23:10:20,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:20" (3/3) ... [2020-12-01 23:10:20,048 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2020-12-01 23:10:20,062 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:10:20,066 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:10:20,079 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:10:20,106 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:10:20,106 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:10:20,106 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:10:20,107 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:10:20,107 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:10:20,107 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:10:20,107 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:10:20,107 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:10:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-12-01 23:10:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:10:20,137 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,138 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-12-01 23:10:20,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426846866] [2020-12-01 23:10:20,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:10:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:10:20,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426846866] [2020-12-01 23:10:20,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:10:20,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:10:20,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066817698] [2020-12-01 23:10:20,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:10:20,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:10:20,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:10:20,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:10:20,363 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-12-01 23:10:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:10:20,398 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2020-12-01 23:10:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:10:20,400 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-01 23:10:20,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:10:20,412 INFO L225 Difference]: With dead ends: 237 [2020-12-01 23:10:20,413 INFO L226 Difference]: Without dead ends: 116 [2020-12-01 23:10:20,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:10:20,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-01 23:10:20,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-01 23:10:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-01 23:10:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-12-01 23:10:20,469 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-12-01 23:10:20,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:10:20,470 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-12-01 23:10:20,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:10:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-12-01 23:10:20,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 23:10:20,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:10:20,472 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,475 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-12-01 23:10:20,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277169927] [2020-12-01 23:10:20,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,740 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,771 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:10:20,772 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:10:20,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:10:20,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:10:20 BoogieIcfgContainer [2020-12-01 23:10:20,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:10:20,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:10:20,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:10:20,825 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:10:20,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:20" (3/4) ... [2020-12-01 23:10:20,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:10:20,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:10:20,833 INFO L168 Benchmark]: Toolchain (without parser) took 2607.26 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 39.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,834 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.47 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 31.6 MB in the end (delta: -215.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.20 ms. Allocated memory is still 54.5 MB. Free memory was 31.6 MB in the beginning and 28.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,837 INFO L168 Benchmark]: Boogie Preprocessor took 63.12 ms. Allocated memory is still 54.5 MB. Free memory was 28.0 MB in the beginning and 24.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,838 INFO L168 Benchmark]: RCFGBuilder took 1062.06 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 24.4 MB in the beginning and 34.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,839 INFO L168 Benchmark]: TraceAbstraction took 781.81 ms. Allocated memory is still 69.2 MB. Free memory was 34.1 MB in the beginning and 39.9 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,839 INFO L168 Benchmark]: Witness Printer took 5.63 ms. Allocated memory is still 69.2 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 588.47 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 31.6 MB in the end (delta: -215.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.20 ms. Allocated memory is still 54.5 MB. Free memory was 31.6 MB in the beginning and 28.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.12 ms. Allocated memory is still 54.5 MB. Free memory was 28.0 MB in the beginning and 24.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1062.06 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 24.4 MB in the beginning and 34.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 781.81 ms. Allocated memory is still 69.2 MB. Free memory was 34.1 MB in the beginning and 39.9 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.63 ms. Allocated memory is still 69.2 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 273]: 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 bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 272. 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] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = 0.0; 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] [L269] COND TRUE x > 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] [L270] double res = __ieee754_atan2(y, x); [L272] 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] [L272] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L273] 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, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:10:23,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:23,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:23,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-01 23:10:23,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:23,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:23,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:23,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:23,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:23,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:23,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:23,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:23,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:23,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:23,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:23,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:23,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:10:23,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:10:23,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:10:23,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:10:23,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:10:23,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:10:23,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:23,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:23,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:23,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:23,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:23,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:23,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:23,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:23,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:23,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:23,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:23,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:10:23,449 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:23,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:23,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:23,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:23,453 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:23,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:23,454 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:23,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:23,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:23,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:23,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:23,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:23,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:10:23,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:10:23,457 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:23,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:23,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:23,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:23,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:23,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:23,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:23,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:23,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:23,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:23,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:23,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:23,460 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:10:23,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:10:23,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:23,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:23,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:10:23,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffb28dc7082592252204f454b15d9526630e5ef2 [2020-12-01 23:10:23,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:23,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:23,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:23,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:23,874 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:23,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2020-12-01 23:10:23,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c3947c6/392b97418c0845b68180353c5cbd118e/FLAG2ed437cd4 [2020-12-01 23:10:24,579 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:24,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2020-12-01 23:10:24,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c3947c6/392b97418c0845b68180353c5cbd118e/FLAG2ed437cd4 [2020-12-01 23:10:24,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c3947c6/392b97418c0845b68180353c5cbd118e [2020-12-01 23:10:24,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:24,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:24,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:24,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:24,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:24,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:24" (1/1) ... [2020-12-01 23:10:24,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc5691d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:24, skipping insertion in model container [2020-12-01 23:10:24,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:24" (1/1) ... [2020-12-01 23:10:24,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:24,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:25,259 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_0661b.c[6444,6457] [2020-12-01 23:10:25,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,281 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:25,404 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_0661b.c[6444,6457] [2020-12-01 23:10:25,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,441 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:25,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25 WrapperNode [2020-12-01 23:10:25,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:25,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:25,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:25,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:25,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:25,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:25,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:25,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:25,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:10:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:10:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:10:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:10:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:10:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:10:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:11:16,885 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:11:16,885 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-12-01 23:11:16,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:16 BoogieIcfgContainer [2020-12-01 23:11:16,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:11:16,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:11:16,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:11:16,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:11:16,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:24" (1/3) ... [2020-12-01 23:11:16,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fce54fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:16, skipping insertion in model container [2020-12-01 23:11:16,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (2/3) ... [2020-12-01 23:11:16,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fce54fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:16, skipping insertion in model container [2020-12-01 23:11:16,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:16" (3/3) ... [2020-12-01 23:11:16,897 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2020-12-01 23:11:16,912 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:11:16,921 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:11:16,940 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:11:16,969 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:11:16,969 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:11:16,970 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:11:16,970 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:11:16,970 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:11:16,970 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:11:16,970 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:11:16,971 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:11:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-12-01 23:11:16,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:11:16,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:16,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:16,998 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:17,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:17,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-12-01 23:11:17,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:17,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744983838] [2020-12-01 23:11:17,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 23:11:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:11:17,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:11:17,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:11:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:11:17,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:11:17,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:11:17,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744983838] [2020-12-01 23:11:17,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:11:17,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:11:17,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480250082] [2020-12-01 23:11:17,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:11:17,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:11:17,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:11:17,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:11:17,523 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-12-01 23:11:17,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:11:17,583 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2020-12-01 23:11:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:11:17,584 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-01 23:11:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:11:17,596 INFO L225 Difference]: With dead ends: 237 [2020-12-01 23:11:17,597 INFO L226 Difference]: Without dead ends: 116 [2020-12-01 23:11:17,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:11:17,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-01 23:11:17,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-01 23:11:17,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-01 23:11:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-12-01 23:11:17,647 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-12-01 23:11:17,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:11:17,648 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-12-01 23:11:17,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:11:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-12-01 23:11:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 23:11:17,649 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:17,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:17,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:11:17,863 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:17,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:17,865 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-12-01 23:11:17,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:17,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172132596] [2020-12-01 23:11:17,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 23:11:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:18,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:19,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:19,282 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:11:19,282 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:11:19,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:11:19,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:11:19 BoogieIcfgContainer [2020-12-01 23:11:19,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:11:19,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:11:19,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:11:19,593 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:11:19,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:16" (3/4) ... [2020-12-01 23:11:19,596 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:11:19,708 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:11:19,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:11:19,711 INFO L168 Benchmark]: Toolchain (without parser) took 54799.09 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 25.1 MB in the beginning and 38.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:19,713 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:11:19,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.32 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 43.2 MB in the end (delta: -18.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:19,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.35 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 39.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:19,716 INFO L168 Benchmark]: Boogie Preprocessor took 83.23 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 35.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:19,717 INFO L168 Benchmark]: RCFGBuilder took 51263.33 ms. Allocated memory is still 60.8 MB. Free memory was 35.4 MB in the beginning and 33.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:19,718 INFO L168 Benchmark]: TraceAbstraction took 2701.40 ms. Allocated memory is still 60.8 MB. Free memory was 32.4 MB in the beginning and 23.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:19,719 INFO L168 Benchmark]: Witness Printer took 117.69 ms. Allocated memory is still 60.8 MB. Free memory was 23.6 MB in the beginning and 38.8 MB in the end (delta: -15.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:19,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 528.32 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 43.2 MB in the end (delta: -18.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.35 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 39.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.23 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 35.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 51263.33 ms. Allocated memory is still 60.8 MB. Free memory was 35.4 MB in the beginning and 33.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2701.40 ms. Allocated memory is still 60.8 MB. Free memory was 32.4 MB in the beginning and 23.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 117.69 ms. Allocated memory is still 60.8 MB. Free memory was 23.6 MB in the beginning and 38.8 MB in the end (delta: -15.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 273]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = 0.0; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L269] COND TRUE x > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L272] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L273] reach_error() VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...