./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0686b.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 2450a058b5917f7939684a957099b0e6e44b8068 .................................................................................................................................................................................................................................................................................................................................... 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_0686b.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 2450a058b5917f7939684a957099b0e6e44b8068 .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:11:20,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:11:20,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:11:20,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:11:20,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:11:20,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:11:20,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:11:20,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:11:20,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:11:20,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:11:20,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:11:20,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:11:20,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:11:20,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:11:20,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:11:20,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:11:20,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:11:20,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:11:20,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:11:20,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:11:20,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:11:20,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:11:20,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:11:20,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:11:20,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:11:20,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:11:20,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:11:20,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:11:20,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:11:20,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:11:20,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:11:20,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:11:20,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:11:20,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:11:20,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:11:20,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:11:20,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:11:20,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:11:20,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:11:20,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:11:20,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:11:20,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:11:20,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:11:20,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:11:20,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:11:20,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:11:20,763 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:11:20,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:11:20,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:11:20,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:11:20,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:11:20,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:11:20,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:11:20,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:11:20,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:11:20,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:11:20,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:11:20,769 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:11:20,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:11:20,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:11:20,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:11:20,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:11:20,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:11:20,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:20,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:11:20,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:11:20,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:11:20,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:11:20,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:11:20,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:11:20,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:11:20,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2450a058b5917f7939684a957099b0e6e44b8068 [2020-10-24 23:11:21,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:11:21,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:11:21,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:11:21,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:11:21,352 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:11:21,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-10-24 23:11:21,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f8f4944c/6f26f1abc83e445cb6f8a6906062d3af/FLAG20dd42fd6 [2020-10-24 23:11:22,392 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:11:22,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-10-24 23:11:22,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f8f4944c/6f26f1abc83e445cb6f8a6906062d3af/FLAG20dd42fd6 [2020-10-24 23:11:22,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f8f4944c/6f26f1abc83e445cb6f8a6906062d3af [2020-10-24 23:11:22,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:11:22,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:11:22,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:22,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:11:22,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:11:22,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:22" (1/1) ... [2020-10-24 23:11:22,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a8cc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:22, skipping insertion in model container [2020-10-24 23:11:22,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:22" (1/1) ... [2020-10-24 23:11:22,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:11:22,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:11:23,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:23,141 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:11:23,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:23,235 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:11:23,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23 WrapperNode [2020-10-24 23:11:23,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:23,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:23,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:11:23,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:11:23,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:23,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:11:23,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:11:23,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:11:23,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... [2020-10-24 23:11:23,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:11:23,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:11:23,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:11:23,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:11:23,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:11:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:11:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:11:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:11:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:11:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:11:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:11:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:11:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:11:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:11:24,614 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:11:24,614 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:11:24,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:24 BoogieIcfgContainer [2020-10-24 23:11:24,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:11:24,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:11:24,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:11:24,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:11:24,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:11:22" (1/3) ... [2020-10-24 23:11:24,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ab6281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:24, skipping insertion in model container [2020-10-24 23:11:24,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:23" (2/3) ... [2020-10-24 23:11:24,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ab6281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:24, skipping insertion in model container [2020-10-24 23:11:24,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:24" (3/3) ... [2020-10-24 23:11:24,628 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2020-10-24 23:11:24,643 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:11:24,650 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:11:24,667 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:11:24,700 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:11:24,700 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:11:24,700 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:11:24,701 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:11:24,701 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:11:24,701 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:11:24,701 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:11:24,701 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:11:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-24 23:11:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:11:24,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:24,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:24,732 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:24,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:24,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-24 23:11:24,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:11:24,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358848546] [2020-10-24 23:11:24,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:11:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:11:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:24,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358848546] [2020-10-24 23:11:24,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:11:24,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:11:24,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495935257] [2020-10-24 23:11:24,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:11:24,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:11:25,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:11:25,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:25,009 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-24 23:11:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:11:25,088 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-24 23:11:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:11:25,090 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:11:25,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:11:25,125 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:11:25,128 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 23:11:25,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:25,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 23:11:25,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-24 23:11:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-24 23:11:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-24 23:11:25,222 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-24 23:11:25,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:11:25,223 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-24 23:11:25,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:11:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-24 23:11:25,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:11:25,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:25,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:25,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:11:25,227 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:25,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:25,231 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-24 23:11:25,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:11:25,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735696430] [2020-10-24 23:11:25,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:11:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:25,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:25,468 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:25,516 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:11:25,517 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:11:25,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:11:25,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:11:25 BoogieIcfgContainer [2020-10-24 23:11:25,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:11:25,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:11:25,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:11:25,574 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:11:25,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:24" (3/4) ... [2020-10-24 23:11:25,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:11:25,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:11:25,594 INFO L168 Benchmark]: Toolchain (without parser) took 2889.59 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 30.0 MB in the beginning and 26.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:25,596 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:11:25,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.86 ms. Allocated memory is still 52.4 MB. Free memory was 29.3 MB in the beginning and 28.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:25,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.92 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 24.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:25,600 INFO L168 Benchmark]: Boogie Preprocessor took 105.99 ms. Allocated memory is still 52.4 MB. Free memory was 24.4 MB in the beginning and 33.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:25,601 INFO L168 Benchmark]: RCFGBuilder took 1186.06 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 44.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:25,603 INFO L168 Benchmark]: TraceAbstraction took 954.02 ms. Allocated memory is still 65.0 MB. Free memory was 43.6 MB in the beginning and 27.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:25,604 INFO L168 Benchmark]: Witness Printer took 8.29 ms. Allocated memory is still 65.0 MB. Free memory was 27.1 MB in the beginning and 26.7 MB in the end (delta: 348.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:11:25,609 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 527.86 ms. Allocated memory is still 52.4 MB. Free memory was 29.3 MB in the beginning and 28.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.92 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 24.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.99 ms. Allocated memory is still 52.4 MB. Free memory was 24.4 MB in the beginning and 33.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1186.06 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 44.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 954.02 ms. Allocated memory is still 65.0 MB. Free memory was 43.6 MB in the beginning and 27.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 8.29 ms. Allocated memory is still 65.0 MB. Free memory was 27.1 MB in the beginning and 26.7 MB in the end (delta: 348.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 257. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L252] double x = 1.0 / 0.0; [L253] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != -pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0686b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:11:28,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:11:28,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:11:28,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:11:28,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:11:28,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:11:28,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:11:28,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:11:28,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:11:28,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:11:28,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:11:28,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:11:28,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:11:28,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:11:28,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:11:28,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:11:28,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:11:28,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:11:28,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:11:28,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:11:28,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:11:28,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:11:28,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:11:28,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:11:28,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:11:28,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:11:28,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:11:28,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:11:28,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:11:28,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:11:28,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:11:28,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:11:28,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:11:28,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:11:28,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:11:28,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:11:28,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:11:28,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:11:28,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:11:28,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:11:28,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:11:28,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:11:28,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:11:28,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:11:28,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:11:28,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:11:28,655 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:11:28,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:11:28,656 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:11:28,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:11:28,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:11:28,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:11:28,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:11:28,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:11:28,658 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:11:28,659 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:11:28,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:11:28,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:11:28,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:11:28,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:11:28,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:11:28,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:11:28,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:11:28,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:11:28,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:28,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:11:28,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:11:28,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:11:28,662 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:11:28,662 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:11:28,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:11:28,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:11:28,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:11:28,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2450a058b5917f7939684a957099b0e6e44b8068 [2020-10-24 23:11:29,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:11:29,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:11:29,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:11:29,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:11:29,145 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:11:29,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-10-24 23:11:29,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8796c58/bdb9807552784461b2e63d1dffbaa5d5/FLAG8011a44c5 [2020-10-24 23:11:30,023 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:11:30,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-10-24 23:11:30,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8796c58/bdb9807552784461b2e63d1dffbaa5d5/FLAG8011a44c5 [2020-10-24 23:11:30,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8796c58/bdb9807552784461b2e63d1dffbaa5d5 [2020-10-24 23:11:30,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:11:30,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:11:30,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:30,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:11:30,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:11:30,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:30,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c68edb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30, skipping insertion in model container [2020-10-24 23:11:30,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:30,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:11:30,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:11:30,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:30,780 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:11:30,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:30,945 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:11:30,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30 WrapperNode [2020-10-24 23:11:30,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:30,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:30,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:11:30,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:11:30,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:31,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:11:31,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:11:31,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:11:31,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... [2020-10-24 23:11:31,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:11:31,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:11:31,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:11:31,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:11:31,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:11:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:11:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:11:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:11:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:11:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:11:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:11:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:11:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:11:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:12:11,525 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:12:11,525 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:12:11,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:12:11 BoogieIcfgContainer [2020-10-24 23:12:11,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:12:11,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:12:11,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:12:11,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:12:11,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:11:30" (1/3) ... [2020-10-24 23:12:11,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33147f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:12:11, skipping insertion in model container [2020-10-24 23:12:11,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30" (2/3) ... [2020-10-24 23:12:11,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33147f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:12:11, skipping insertion in model container [2020-10-24 23:12:11,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:12:11" (3/3) ... [2020-10-24 23:12:11,537 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2020-10-24 23:12:11,549 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:12:11,561 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:12:11,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:12:11,632 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:12:11,632 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:12:11,632 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:12:11,632 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:12:11,632 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:12:11,633 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:12:11,633 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:12:11,633 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:12:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-24 23:12:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:12:11,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:12:11,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:12:11,666 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:12:11,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:12:11,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-24 23:12:11,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:12:11,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728721506] [2020-10-24 23:12:11,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:12:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:12:12,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:12:12,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:12:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:12:12,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:12:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:12:12,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728721506] [2020-10-24 23:12:12,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:12:12,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:12:12,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450441648] [2020-10-24 23:12:12,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:12:12,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:12:12,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:12:12,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:12:12,437 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-24 23:12:12,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:12:12,506 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-24 23:12:12,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:12:12,508 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:12:12,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:12:12,526 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:12:12,528 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 23:12:12,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:12:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 23:12:12,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-24 23:12:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-24 23:12:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-24 23:12:12,589 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-24 23:12:12,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:12:12,590 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-24 23:12:12,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:12:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-24 23:12:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:12:12,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:12:12,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:12:12,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:12:12,800 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:12:12,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:12:12,801 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-24 23:12:12,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:12:12,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915767841] [2020-10-24 23:12:12,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 23:12:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:12:13,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:12:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:12:14,494 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:12:14,612 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:12:14,613 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:12:14,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:12:14,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:12:14 BoogieIcfgContainer [2020-10-24 23:12:14,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:12:14,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:12:14,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:12:14,872 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:12:14,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:12:11" (3/4) ... [2020-10-24 23:12:14,876 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:12:14,974 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:12:14,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:12:14,977 INFO L168 Benchmark]: Toolchain (without parser) took 44596.80 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 24.7 MB in the end (delta: -783.9 kB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:14,977 INFO L168 Benchmark]: CDTParser took 3.60 ms. Allocated memory is still 37.7 MB. Free memory is still 20.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:12:14,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.43 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 18.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:14,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.77 ms. Allocated memory is still 46.1 MB. Free memory was 18.5 MB in the beginning and 28.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:14,980 INFO L168 Benchmark]: Boogie Preprocessor took 82.93 ms. Allocated memory is still 46.1 MB. Free memory was 28.1 MB in the beginning and 24.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:14,980 INFO L168 Benchmark]: RCFGBuilder took 40325.56 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.4 MB in the beginning and 22.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:14,981 INFO L168 Benchmark]: TraceAbstraction took 3341.66 ms. Allocated memory is still 56.6 MB. Free memory was 22.3 MB in the beginning and 28.9 MB in the end (delta: -6.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:14,982 INFO L168 Benchmark]: Witness Printer took 102.15 ms. Allocated memory is still 56.6 MB. Free memory was 28.9 MB in the beginning and 24.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:14,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.60 ms. Allocated memory is still 37.7 MB. Free memory is still 20.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 558.43 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 18.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 167.77 ms. Allocated memory is still 46.1 MB. Free memory was 18.5 MB in the beginning and 28.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.93 ms. Allocated memory is still 46.1 MB. Free memory was 28.1 MB in the beginning and 24.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40325.56 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.4 MB in the beginning and 22.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3341.66 ms. Allocated memory is still 56.6 MB. Free memory was 22.3 MB in the beginning and 28.9 MB in the end (delta: -6.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. * Witness Printer took 102.15 ms. Allocated memory is still 56.6 MB. Free memory was 28.9 MB in the beginning and 24.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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] [L252] double x = 1.0 / 0.0; [L253] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != -pi_o_4 VAL [aT_atan={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0686b.c", 3, "reach_error") VAL [aT_atan={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 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...