./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0686a.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_0686a.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 720f2db9041449ba416043cdd20f795f2de03f54 ..................................................................................................................................................................................................................................................................................................................................... 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_0686a.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 720f2db9041449ba416043cdd20f795f2de03f54 .................................................................................................................................................................................................................................................................................................................................................. 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 23:13:45,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:13:45,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:13:45,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:13:45,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:13:45,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:13:45,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:13:45,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:13:45,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:13:45,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:13:45,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:13:45,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:13:45,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:13:45,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:13:45,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:13:45,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:13:45,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:13:45,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:13:45,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:13:45,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:13:45,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:13:45,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:13:45,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:13:45,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:13:45,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:13:45,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:13:45,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:13:45,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:13:45,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:13:45,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:13:45,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:13:45,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:13:45,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:13:45,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:13:45,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:13:45,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:13:45,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:13:45,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:13:45,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:13:45,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:13:45,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:13:45,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:13:45,816 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:13:45,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:13:45,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:13:45,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:13:45,822 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:13:45,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:13:45,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:13:45,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:13:45,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:13:45,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:13:45,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:13:45,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:13:45,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:13:45,825 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:13:45,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:13:45,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:13:45,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:13:45,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:13:45,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:13:45,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:13:45,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:13:45,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:45,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:13:45,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:13:45,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:13:45,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:13:45,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:13:45,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:13:45,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:13:45,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 720f2db9041449ba416043cdd20f795f2de03f54 [2020-12-01 23:13:46,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:13:46,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:13:46,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:13:46,285 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:13:46,287 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:13:46,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-12-01 23:13:46,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c042332e/283540ad5e294451bbd95eabb2ed147b/FLAG9de86cebb [2020-12-01 23:13:46,965 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:13:46,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-12-01 23:13:46,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c042332e/283540ad5e294451bbd95eabb2ed147b/FLAG9de86cebb [2020-12-01 23:13:47,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c042332e/283540ad5e294451bbd95eabb2ed147b [2020-12-01 23:13:47,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:13:47,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:13:47,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:47,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:13:47,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:13:47,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e1a009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47, skipping insertion in model container [2020-12-01 23:13:47,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:13:47,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:13:47,660 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_0686a.c[6204,6217] [2020-12-01 23:13:47,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:47,676 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:13:47,740 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_0686a.c[6204,6217] [2020-12-01 23:13:47,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:47,779 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:13:47,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47 WrapperNode [2020-12-01 23:13:47,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:47,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:47,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:13:47,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:13:47,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:47,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:13:47,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:13:47,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:13:47,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... [2020-12-01 23:13:47,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:13:47,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:13:47,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:13:47,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:13:47,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:13:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:13:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:13:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:13:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:13:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:13:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:13:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:13:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:13:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:13:49,018 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:13:49,018 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:13:49,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:49 BoogieIcfgContainer [2020-12-01 23:13:49,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:13:49,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:13:49,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:13:49,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:13:49,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:47" (1/3) ... [2020-12-01 23:13:49,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f527f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:49, skipping insertion in model container [2020-12-01 23:13:49,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:47" (2/3) ... [2020-12-01 23:13:49,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f527f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:49, skipping insertion in model container [2020-12-01 23:13:49,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:49" (3/3) ... [2020-12-01 23:13:49,039 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2020-12-01 23:13:49,051 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:13:49,055 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:13:49,074 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:13:49,105 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:13:49,105 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:13:49,105 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:13:49,106 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:13:49,106 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:13:49,106 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:13:49,106 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:13:49,106 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:13:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-01 23:13:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 23:13:49,132 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:49,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:49,134 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:49,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-12-01 23:13:49,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:13:49,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93442882] [2020-12-01 23:13:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:13:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:49,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93442882] [2020-12-01 23:13:49,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:49,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:13:49,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39303534] [2020-12-01 23:13:49,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:13:49,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:13:49,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:13:49,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:49,489 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-01 23:13:49,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:49,541 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2020-12-01 23:13:49,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:13:49,543 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 23:13:49,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:49,557 INFO L225 Difference]: With dead ends: 224 [2020-12-01 23:13:49,558 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 23:13:49,562 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 23:13:49,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 23:13:49,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-01 23:13:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 23:13:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-12-01 23:13:49,613 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-12-01 23:13:49,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:49,613 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-12-01 23:13:49,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:13:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-12-01 23:13:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:13:49,615 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:49,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:49,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:13:49,616 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:49,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:49,617 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-12-01 23:13:49,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:13:49,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327371618] [2020-12-01 23:13:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:13:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:49,728 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:49,789 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:49,823 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:13:49,823 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:13:49,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:13:49,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:13:49 BoogieIcfgContainer [2020-12-01 23:13:49,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:13:49,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:13:49,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:13:49,872 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:13:49,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:49" (3/4) ... [2020-12-01 23:13:49,877 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:13:49,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:13:49,880 INFO L168 Benchmark]: Toolchain (without parser) took 2552.99 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 25.2 MB in the beginning and 39.7 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:49,881 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:49,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.51 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 37.4 MB in the end (delta: -12.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:49,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.60 ms. Allocated memory is still 60.8 MB. Free memory was 37.4 MB in the beginning and 33.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:49,884 INFO L168 Benchmark]: Boogie Preprocessor took 87.34 ms. Allocated memory is still 60.8 MB. Free memory was 33.9 MB in the beginning and 30.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:49,885 INFO L168 Benchmark]: RCFGBuilder took 1052.52 ms. Allocated memory is still 60.8 MB. Free memory was 30.4 MB in the beginning and 24.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:49,886 INFO L168 Benchmark]: TraceAbstraction took 845.51 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 24.0 MB in the beginning and 40.1 MB in the end (delta: -16.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:49,887 INFO L168 Benchmark]: Witness Printer took 5.87 ms. Allocated memory is still 73.4 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:49,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 452.51 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 37.4 MB in the end (delta: -12.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.60 ms. Allocated memory is still 60.8 MB. Free memory was 37.4 MB in the beginning and 33.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.34 ms. Allocated memory is still 60.8 MB. Free memory was 33.9 MB in the beginning and 30.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1052.52 ms. Allocated memory is still 60.8 MB. Free memory was 30.4 MB in the beginning and 24.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 845.51 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 24.0 MB in the beginning and 40.1 MB in the end (delta: -16.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.87 ms. Allocated memory is still 73.4 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 258]: 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 257. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L252] double x = 1.0 / 0.0; [L253] double y = 1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] 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, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:13:52,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:13:52,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:13:52,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-01 23:13:52,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:13:52,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:13:52,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:13:52,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:13:52,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:13:52,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:13:52,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:13:52,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:13:52,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:13:52,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:13:52,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:13:52,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:13:52,794 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:13:52,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:13:52,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:13:52,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:13:52,802 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:13:52,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:13:52,802 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:13:52,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:13:52,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:13:52,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:13:52,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:13:52,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:13:52,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:13:52,806 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:13:52,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:13:52,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:13:52,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:13:52,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:13:52,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:13:52,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:13:52,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:13:52,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:13:52,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:52,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:13:52,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:13:52,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:13:52,809 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:13:52,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:13:52,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:13:52,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:13:52,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:13:52,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 720f2db9041449ba416043cdd20f795f2de03f54 [2020-12-01 23:13:53,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:13:53,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:13:53,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:13:53,327 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:13:53,328 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:13:53,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-12-01 23:13:53,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca65dc8ac/f90832cdcf74497d94be242b6834282b/FLAG4bc76dc42 [2020-12-01 23:13:54,012 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:13:54,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-12-01 23:13:54,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca65dc8ac/f90832cdcf74497d94be242b6834282b/FLAG4bc76dc42 [2020-12-01 23:13:54,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca65dc8ac/f90832cdcf74497d94be242b6834282b [2020-12-01 23:13:54,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:13:54,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:13:54,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:54,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:13:54,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:13:54,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:54,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a889c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54, skipping insertion in model container [2020-12-01 23:13:54,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:54,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:13:54,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:13:54,696 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_0686a.c[6204,6217] [2020-12-01 23:13:54,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:54,723 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:13:54,841 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_0686a.c[6204,6217] [2020-12-01 23:13:54,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:54,897 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:13:54,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54 WrapperNode [2020-12-01 23:13:54,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:54,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:54,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:13:54,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:13:54,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:54,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:55,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:55,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:13:55,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:13:55,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:13:55,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:55,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:55,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:55,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:55,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:55,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:55,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... [2020-12-01 23:13:55,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:13:55,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:13:55,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:13:55,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:13:55,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:13:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:13:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:13:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:13:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:13:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:13:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:13:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:13:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:13:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:14:47,616 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:14:47,616 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:14:47,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:47 BoogieIcfgContainer [2020-12-01 23:14:47,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:14:47,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:14:47,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:14:47,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:14:47,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:54" (1/3) ... [2020-12-01 23:14:47,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2618968a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:47, skipping insertion in model container [2020-12-01 23:14:47,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:54" (2/3) ... [2020-12-01 23:14:47,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2618968a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:47, skipping insertion in model container [2020-12-01 23:14:47,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:47" (3/3) ... [2020-12-01 23:14:47,628 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2020-12-01 23:14:47,644 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:14:47,649 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:14:47,662 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:14:47,690 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:14:47,691 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:14:47,691 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:14:47,691 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:14:47,691 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:14:47,692 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:14:47,692 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:14:47,692 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:14:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-01 23:14:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 23:14:47,716 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:14:47,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:14:47,717 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:14:47,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:14:47,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-12-01 23:14:47,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:14:47,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674497930] [2020-12-01 23:14:47,740 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 23:14:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:14:48,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:14:48,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:14:48,247 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 23:14:48,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:14:48,273 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 23:14:48,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674497930] [2020-12-01 23:14:48,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:14:48,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:14:48,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267554413] [2020-12-01 23:14:48,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:14:48,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:14:48,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:14:48,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:14:48,313 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-01 23:14:48,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:14:48,379 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2020-12-01 23:14:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:14:48,382 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 23:14:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:14:48,406 INFO L225 Difference]: With dead ends: 224 [2020-12-01 23:14:48,407 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 23:14:48,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:14:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 23:14:48,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-01 23:14:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 23:14:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-12-01 23:14:48,458 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-12-01 23:14:48,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:14:48,458 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-12-01 23:14:48,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:14:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-12-01 23:14:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:14:48,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:14:48,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:14:48,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:14:48,661 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:14:48,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:14:48,663 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-12-01 23:14:48,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:14:48,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654026554] [2020-12-01 23:14:48,664 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 23:14:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:14:49,535 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:14:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:14:50,407 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:14:50,541 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:14:50,542 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:14:50,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:14:50,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:14:50 BoogieIcfgContainer [2020-12-01 23:14:50,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:14:50,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:14:50,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:14:50,834 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:14:50,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:47" (3/4) ... [2020-12-01 23:14:50,837 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:14:50,928 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:14:50,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:14:50,931 INFO L168 Benchmark]: Toolchain (without parser) took 56593.76 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.3 MB in the beginning and 37.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:50,931 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:14:50,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.19 ms. Allocated memory is still 48.2 MB. Free memory was 25.1 MB in the beginning and 22.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:50,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.42 ms. Allocated memory is still 48.2 MB. Free memory was 22.1 MB in the beginning and 31.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:50,937 INFO L168 Benchmark]: Boogie Preprocessor took 85.89 ms. Allocated memory is still 48.2 MB. Free memory was 31.2 MB in the beginning and 27.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:50,938 INFO L168 Benchmark]: RCFGBuilder took 52505.88 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.3 MB in the beginning and 32.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:50,939 INFO L168 Benchmark]: TraceAbstraction took 3212.62 ms. Allocated memory is still 58.7 MB. Free memory was 31.8 MB in the beginning and 21.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:50,942 INFO L168 Benchmark]: Witness Printer took 94.77 ms. Allocated memory is still 58.7 MB. Free memory was 21.8 MB in the beginning and 37.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:50,950 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 48.2 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.19 ms. Allocated memory is still 48.2 MB. Free memory was 25.1 MB in the beginning and 22.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.42 ms. Allocated memory is still 48.2 MB. Free memory was 22.1 MB in the beginning and 31.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.89 ms. Allocated memory is still 48.2 MB. Free memory was 31.2 MB in the beginning and 27.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 52505.88 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.3 MB in the beginning and 32.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3212.62 ms. Allocated memory is still 58.7 MB. Free memory was 31.8 MB in the beginning and 21.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Witness Printer took 94.77 ms. Allocated memory is still 58.7 MB. Free memory was 21.8 MB in the beginning and 37.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 258]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L252] double x = 1.0 / 0.0; [L253] double y = 1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi_o_4 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L258] reach_error() VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...