./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0682b.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_0682b.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 37fbf0da8e0b6ff3b926d9957e6bddb594e87706 .................................................................................................................................................................................................................................................................................................................................................................................................... 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_0682b.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 37fbf0da8e0b6ff3b926d9957e6bddb594e87706 ........................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-096883e [2020-12-01 23:12:26,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:12:26,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:12:26,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:12:26,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:12:26,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:12:26,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:12:26,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:12:26,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:12:26,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:12:26,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:12:26,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:12:26,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:12:26,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:12:26,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:12:26,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:12:26,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:12:26,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:12:26,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:12:26,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:12:26,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:12:26,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:12:26,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:12:26,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:12:26,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:12:26,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:12:26,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:12:26,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:12:26,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:12:26,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:12:26,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:12:26,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:12:26,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:12:26,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:12:26,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:12:26,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:12:26,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:12:26,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:12:26,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:12:26,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:12:26,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:12:26,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:12:26,875 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:12:26,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:12:26,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:12:26,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:12:26,878 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:12:26,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:12:26,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:12:26,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:12:26,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:12:26,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:12:26,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:12:26,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:12:26,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:12:26,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:12:26,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:12:26,881 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:12:26,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:12:26,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:12:26,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:12:26,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:12:26,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:12:26,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:26,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:12:26,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:12:26,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:12:26,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:12:26,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:12:26,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:12:26,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:12:26,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37fbf0da8e0b6ff3b926d9957e6bddb594e87706 [2020-12-01 23:12:27,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:12:27,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:12:27,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:12:27,352 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:12:27,354 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:12:27,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-12-01 23:12:27,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18eace599/47e9bb5d5e1a4e89ac37db594dbc99fd/FLAG8d5a10f82 [2020-12-01 23:12:27,997 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:12:27,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-12-01 23:12:28,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18eace599/47e9bb5d5e1a4e89ac37db594dbc99fd/FLAG8d5a10f82 [2020-12-01 23:12:28,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18eace599/47e9bb5d5e1a4e89ac37db594dbc99fd [2020-12-01 23:12:28,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:12:28,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:12:28,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:28,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:12:28,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:12:28,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4010a15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28, skipping insertion in model container [2020-12-01 23:12:28,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:12:28,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:12:28,636 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_0682b.c[6873,6886] [2020-12-01 23:12:28,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:28,650 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:12:28,717 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_0682b.c[6873,6886] [2020-12-01 23:12:28,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:28,740 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:12:28,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28 WrapperNode [2020-12-01 23:12:28,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:28,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:28,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:12:28,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:12:28,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:28,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:12:28,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:12:28,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:12:28,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... [2020-12-01 23:12:28,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:12:28,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:12:28,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:12:28,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:12:28,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:12:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:12:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:12:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:12:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:12:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:12:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:12:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:12:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:12:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:12:29,877 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:12:29,878 INFO L298 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-01 23:12:29,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:29 BoogieIcfgContainer [2020-12-01 23:12:29,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:12:29,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:12:29,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:12:29,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:12:29,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:28" (1/3) ... [2020-12-01 23:12:29,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1561886b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:29, skipping insertion in model container [2020-12-01 23:12:29,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:28" (2/3) ... [2020-12-01 23:12:29,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1561886b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:29, skipping insertion in model container [2020-12-01 23:12:29,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:29" (3/3) ... [2020-12-01 23:12:29,892 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2020-12-01 23:12:29,912 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:12:29,916 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:12:29,926 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:12:29,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:12:29,950 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:12:29,950 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:12:29,950 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:12:29,951 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:12:29,951 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:12:29,951 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:12:29,951 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:12:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-01 23:12:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 23:12:29,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:29,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:29,975 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:29,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:29,981 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-12-01 23:12:29,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:29,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438548066] [2020-12-01 23:12:29,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:30,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438548066] [2020-12-01 23:12:30,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:30,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:12:30,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524987980] [2020-12-01 23:12:30,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:12:30,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:12:30,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:12:30,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:12:30,207 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-01 23:12:30,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:30,267 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2020-12-01 23:12:30,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:12:30,275 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 23:12:30,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:30,292 INFO L225 Difference]: With dead ends: 246 [2020-12-01 23:12:30,292 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:12:30,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:12:30,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:12:30,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:12:30,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:12:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-12-01 23:12:30,352 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-12-01 23:12:30,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:30,352 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-12-01 23:12:30,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:12:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-12-01 23:12:30,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 23:12:30,354 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:30,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:30,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:12:30,354 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:30,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:30,355 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-12-01 23:12:30,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:30,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577030443] [2020-12-01 23:12:30,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:12:30,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577030443] [2020-12-01 23:12:30,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:30,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 23:12:30,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875784685] [2020-12-01 23:12:30,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:12:30,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:12:30,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:12:30,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:12:30,516 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-12-01 23:12:30,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:30,565 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-12-01 23:12:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:12:30,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 23:12:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:30,571 INFO L225 Difference]: With dead ends: 229 [2020-12-01 23:12:30,572 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:12:30,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:12:30,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:12:30,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:12:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:12:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-12-01 23:12:30,602 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-12-01 23:12:30,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:30,603 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-12-01 23:12:30,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:12:30,604 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-12-01 23:12:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 23:12:30,605 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:30,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:30,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:12:30,606 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:30,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:30,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-12-01 23:12:30,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:30,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635728794] [2020-12-01 23:12:30,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:30,837 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:30,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:30,970 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:12:30,971 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:12:30,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 23:12:31,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:12:31 BoogieIcfgContainer [2020-12-01 23:12:31,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:12:31,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:12:31,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:12:31,028 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:12:31,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:29" (3/4) ... [2020-12-01 23:12:31,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:12:31,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:12:31,035 INFO L168 Benchmark]: Toolchain (without parser) took 2694.21 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 30.9 MB in the beginning and 34.5 MB in the end (delta: -3.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,035 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:31,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.48 ms. Allocated memory is still 54.5 MB. Free memory was 30.7 MB in the beginning and 28.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,037 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.14 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 28.6 MB in the beginning and 52.1 MB in the end (delta: -23.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,038 INFO L168 Benchmark]: Boogie Preprocessor took 72.40 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 48.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,039 INFO L168 Benchmark]: RCFGBuilder took 970.36 ms. Allocated memory is still 69.2 MB. Free memory was 48.1 MB in the beginning and 44.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,040 INFO L168 Benchmark]: TraceAbstraction took 1144.91 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 43.6 MB in the beginning and 34.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:31,040 INFO L168 Benchmark]: Witness Printer took 4.68 ms. Allocated memory is still 83.9 MB. Free memory is still 34.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:31,045 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 54.5 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 400.48 ms. Allocated memory is still 54.5 MB. Free memory was 30.7 MB in the beginning and 28.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.14 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 28.6 MB in the beginning and 52.1 MB in the end (delta: -23.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.40 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 48.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 970.36 ms. Allocated memory is still 69.2 MB. Free memory was 48.1 MB in the beginning and 44.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1144.91 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 43.6 MB in the beginning and 34.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.68 ms. Allocated memory is still 83.9 MB. Free memory is still 34.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 287]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 286. 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] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != pi VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L287] 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, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:12:33,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:12:33,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:12:33,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:12:33,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:12:33,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:12:33,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:12:33,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:12:33,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:12:33,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:12:33,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:12:33,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:12:33,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:12:33,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:12:33,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:12:33,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:12:33,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:12:33,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:12:33,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:12:33,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:12:33,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:12:33,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:12:33,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:12:33,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:12:33,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:12:33,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:12:33,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:12:33,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:12:33,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:12:33,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:12:33,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:12:33,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:12:33,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:12:33,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:12:33,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:12:33,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:12:33,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:12:33,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:12:33,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:12:33,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:12:33,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:12:33,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:12:33,725 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:12:33,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:12:33,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:12:33,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:12:33,727 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:12:33,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:12:33,728 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:12:33,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:12:33,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:12:33,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:12:33,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:12:33,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:12:33,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:12:33,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:12:33,729 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:12:33,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:12:33,729 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:12:33,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:12:33,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:12:33,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:12:33,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:12:33,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:12:33,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:33,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:12:33,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:12:33,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:12:33,732 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:12:33,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:12:33,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:12:33,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:12:33,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:12:33,733 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37fbf0da8e0b6ff3b926d9957e6bddb594e87706 [2020-12-01 23:12:34,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:12:34,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:12:34,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:12:34,180 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:12:34,181 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:12:34,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-12-01 23:12:34,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d114c91a/852c76fec0d9428a8ea5065f9526992b/FLAGaf1a4d246 [2020-12-01 23:12:34,890 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:12:34,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-12-01 23:12:34,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d114c91a/852c76fec0d9428a8ea5065f9526992b/FLAGaf1a4d246 [2020-12-01 23:12:35,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d114c91a/852c76fec0d9428a8ea5065f9526992b [2020-12-01 23:12:35,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:12:35,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:12:35,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:35,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:12:35,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:12:35,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5677eb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35, skipping insertion in model container [2020-12-01 23:12:35,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:12:35,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:12:35,573 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_0682b.c[6873,6886] [2020-12-01 23:12:35,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:35,592 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:12:35,690 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_0682b.c[6873,6886] [2020-12-01 23:12:35,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:35,719 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:12:35,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35 WrapperNode [2020-12-01 23:12:35,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:35,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:35,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:12:35,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:12:35,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:35,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:12:35,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:12:35,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:12:35,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... [2020-12-01 23:12:35,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:12:35,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:12:35,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:12:35,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:12:35,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:12:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:12:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:12:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:12:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:12:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:12:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:12:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:12:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:12:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:13:27,061 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:13:27,062 INFO L298 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-01 23:13:27,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:27 BoogieIcfgContainer [2020-12-01 23:13:27,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:13:27,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:13:27,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:13:27,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:13:27,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:35" (1/3) ... [2020-12-01 23:13:27,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2887ae92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:27, skipping insertion in model container [2020-12-01 23:13:27,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:35" (2/3) ... [2020-12-01 23:13:27,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2887ae92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:27, skipping insertion in model container [2020-12-01 23:13:27,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:27" (3/3) ... [2020-12-01 23:13:27,073 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2020-12-01 23:13:27,088 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:13:27,092 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:13:27,105 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:13:27,132 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:13:27,132 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:13:27,133 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:13:27,133 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:13:27,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:13:27,133 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:13:27,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:13:27,134 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:13:27,150 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-01 23:13:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 23:13:27,156 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:27,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:27,157 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:27,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:27,164 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-12-01 23:13:27,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:27,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344610853] [2020-12-01 23:13:27,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 23:13:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:27,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:13:27,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:13:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:27,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:13:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:27,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344610853] [2020-12-01 23:13:27,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:27,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:13:27,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809410207] [2020-12-01 23:13:27,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:13:27,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:13:27,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:13:27,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:27,697 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-01 23:13:27,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:27,758 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2020-12-01 23:13:27,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:13:27,760 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 23:13:27,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:27,772 INFO L225 Difference]: With dead ends: 246 [2020-12-01 23:13:27,772 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:13:27,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:27,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:13:27,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:13:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:13:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-12-01 23:13:27,820 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-12-01 23:13:27,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:27,820 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-12-01 23:13:27,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:13:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-12-01 23:13:27,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 23:13:27,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:27,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:28,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:13:28,023 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:28,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:28,025 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-12-01 23:13:28,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:28,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013072909] [2020-12-01 23:13:28,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 23:13:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:28,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 23:13:28,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:13:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:28,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:13:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:28,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013072909] [2020-12-01 23:13:28,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:28,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-01 23:13:28,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959182446] [2020-12-01 23:13:28,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 23:13:28,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:13:28,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 23:13:28,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:13:28,610 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-12-01 23:13:28,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:28,796 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-12-01 23:13:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 23:13:28,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 23:13:28,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:28,799 INFO L225 Difference]: With dead ends: 229 [2020-12-01 23:13:28,799 INFO L226 Difference]: Without dead ends: 120 [2020-12-01 23:13:28,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 23:13:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-01 23:13:28,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-12-01 23:13:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-01 23:13:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-12-01 23:13:28,811 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-12-01 23:13:28,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:28,812 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-12-01 23:13:28,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 23:13:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-12-01 23:13:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 23:13:28,813 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:28,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:29,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:13:29,027 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:29,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:29,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-12-01 23:13:29,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:29,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948485962] [2020-12-01 23:13:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-01 23:13:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:29,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:30,780 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:31,035 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:13:31,035 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:13:31,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 23:13:31,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:13:31 BoogieIcfgContainer [2020-12-01 23:13:31,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:13:31,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:13:31,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:13:31,307 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:13:31,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:27" (3/4) ... [2020-12-01 23:13:31,310 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:13:31,410 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:13:31,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:13:31,413 INFO L168 Benchmark]: Toolchain (without parser) took 56157.40 ms. Allocated memory was 39.8 MB in the beginning and 58.7 MB in the end (delta: 18.9 MB). Free memory was 18.9 MB in the beginning and 25.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:31,414 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.3 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:31,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.39 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 18.6 MB in the beginning and 29.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:31,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.67 ms. Allocated memory is still 48.2 MB. Free memory was 29.3 MB in the beginning and 25.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:31,416 INFO L168 Benchmark]: Boogie Preprocessor took 109.26 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 21.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:31,417 INFO L168 Benchmark]: RCFGBuilder took 51148.54 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 28.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:31,418 INFO L168 Benchmark]: TraceAbstraction took 4240.93 ms. Allocated memory is still 58.7 MB. Free memory was 28.0 MB in the beginning and 31.6 MB in the end (delta: -3.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:31,418 INFO L168 Benchmark]: Witness Printer took 103.78 ms. Allocated memory is still 58.7 MB. Free memory was 31.6 MB in the beginning and 25.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:31,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.3 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 463.39 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 18.6 MB in the beginning and 29.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.67 ms. Allocated memory is still 48.2 MB. Free memory was 29.3 MB in the beginning and 25.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.26 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 21.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 51148.54 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 28.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4240.93 ms. Allocated memory is still 58.7 MB. Free memory was 28.0 MB in the beginning and 31.6 MB in the end (delta: -3.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Witness Printer took 103.78 ms. Allocated memory is still 58.7 MB. Free memory was 31.6 MB in the beginning and 25.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 287]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != pi VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L287] reach_error() VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...