./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0680b.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 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 .......................................................................................................................................................................................................................................................................................................................... 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/float_req_bl_0680b.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 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:20:57,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:20:57,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:20:57,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:20:57,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:20:57,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:20:57,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:20:57,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:20:57,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:20:57,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:20:57,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:20:57,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:20:57,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:20:57,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:20:57,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:20:57,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:20:57,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:20:57,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:20:57,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:20:57,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:20:57,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:20:57,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:20:57,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:20:57,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:20:57,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:20:57,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:20:57,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:20:57,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:20:57,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:20:57,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:20:57,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:20:57,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:20:57,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:20:57,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:20:57,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:20:57,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:20:57,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:20:57,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:20:57,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:20:57,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:20:57,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:20:57,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:20:57,825 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:20:57,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:20:57,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:20:57,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:20:57,832 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:20:57,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:20:57,833 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:20:57,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:20:57,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:20:57,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:20:57,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:20:57,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:20:57,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:20:57,837 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:20:57,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:20:57,838 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:20:57,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:20:57,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:20:57,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:20:57,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:20:57,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:20:57,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:20:57,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:20:57,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:20:57,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:20:57,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:20:57,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:20:57,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:20:57,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:20:57,842 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 [2020-10-24 23:20:58,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:20:58,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:20:58,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:20:58,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:20:58,267 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:20:58,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2020-10-24 23:20:58,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d193580/48c1d5543da94d0490aa55a92b6f0537/FLAG2c0cde329 [2020-10-24 23:20:59,006 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:20:59,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2020-10-24 23:20:59,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d193580/48c1d5543da94d0490aa55a92b6f0537/FLAG2c0cde329 [2020-10-24 23:20:59,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d193580/48c1d5543da94d0490aa55a92b6f0537 [2020-10-24 23:20:59,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:20:59,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:20:59,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:20:59,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:20:59,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:20:59,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:20:59,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7762e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59, skipping insertion in model container [2020-10-24 23:20:59,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:20:59,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:20:59,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:20:59,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:20:59,686 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:20:59,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:20:59,795 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:20:59,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59 WrapperNode [2020-10-24 23:20:59,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:20:59,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:20:59,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:20:59,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:20:59,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:20:59,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:20:59,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:20:59,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:20:59,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:20:59,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:20:59,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:20:59,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:20:59,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:20:59,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:21:00,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:21:00,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:21:00,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... [2020-10-24 23:21:00,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:21:00,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:21:00,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:21:00,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:21:00,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:21:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:21:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:21:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:21:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:21:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:21:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:21:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:21:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:21:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:21:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:21:01,203 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:21:01,203 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-24 23:21:01,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:01 BoogieIcfgContainer [2020-10-24 23:21:01,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:21:01,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:21:01,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:21:01,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:21:01,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:20:59" (1/3) ... [2020-10-24 23:21:01,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f05c7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:21:01, skipping insertion in model container [2020-10-24 23:21:01,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:20:59" (2/3) ... [2020-10-24 23:21:01,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f05c7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:21:01, skipping insertion in model container [2020-10-24 23:21:01,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:01" (3/3) ... [2020-10-24 23:21:01,213 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2020-10-24 23:21:01,223 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:21:01,229 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:21:01,242 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:21:01,269 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:21:01,269 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:21:01,269 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:21:01,269 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:21:01,270 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:21:01,270 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:21:01,270 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:21:01,270 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:21:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-24 23:21:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:21:01,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:01,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:01,295 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:01,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:01,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2020-10-24 23:21:01,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:21:01,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760281981] [2020-10-24 23:21:01,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:21:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:01,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760281981] [2020-10-24 23:21:01,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:01,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:21:01,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110344868] [2020-10-24 23:21:01,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:21:01,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:21:01,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:21:01,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:21:01,581 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-10-24 23:21:01,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:21:01,636 INFO L93 Difference]: Finished difference Result 217 states and 363 transitions. [2020-10-24 23:21:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:21:01,638 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:21:01,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:21:01,658 INFO L225 Difference]: With dead ends: 217 [2020-10-24 23:21:01,658 INFO L226 Difference]: Without dead ends: 106 [2020-10-24 23:21:01,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:21:01,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-24 23:21:01,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-10-24 23:21:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-24 23:21:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2020-10-24 23:21:01,712 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2020-10-24 23:21:01,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:21:01,713 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2020-10-24 23:21:01,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:21:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2020-10-24 23:21:01,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:21:01,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:01,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:01,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:21:01,715 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:01,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:01,716 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2020-10-24 23:21:01,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:21:01,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311979981] [2020-10-24 23:21:01,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:21:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:21:01,803 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:21:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:21:01,892 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:21:01,928 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:21:01,928 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:21:01,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:21:02,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:21:02 BoogieIcfgContainer [2020-10-24 23:21:02,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:21:02,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:21:02,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:21:02,004 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:21:02,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:01" (3/4) ... [2020-10-24 23:21:02,008 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:21:02,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:21:02,015 INFO L168 Benchmark]: Toolchain (without parser) took 2661.37 ms. Allocated memory was 39.8 MB in the beginning and 58.7 MB in the end (delta: 18.9 MB). Free memory was 16.5 MB in the beginning and 20.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:02,016 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 39.8 MB. Free memory was 19.6 MB in the beginning and 19.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:21:02,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.99 ms. Allocated memory is still 48.2 MB. Free memory was 33.0 MB in the beginning and 30.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:02,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.49 ms. Allocated memory is still 48.2 MB. Free memory was 30.4 MB in the beginning and 27.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:02,020 INFO L168 Benchmark]: Boogie Preprocessor took 134.74 ms. Allocated memory is still 48.2 MB. Free memory was 27.2 MB in the beginning and 24.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:02,023 INFO L168 Benchmark]: RCFGBuilder took 1156.92 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 37.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:02,023 INFO L168 Benchmark]: TraceAbstraction took 795.64 ms. Allocated memory is still 58.7 MB. Free memory was 37.3 MB in the beginning and 20.7 MB in the end (delta: 16.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:02,026 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 58.7 MB. Free memory was 20.7 MB in the beginning and 20.4 MB in the end (delta: 357.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:21:02,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 39.8 MB. Free memory was 19.6 MB in the beginning and 19.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.99 ms. Allocated memory is still 48.2 MB. Free memory was 33.0 MB in the beginning and 30.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.49 ms. Allocated memory is still 48.2 MB. Free memory was 30.4 MB in the beginning and 27.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.74 ms. Allocated memory is still 48.2 MB. Free memory was 27.2 MB in the beginning and 24.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1156.92 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 37.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 795.64 ms. Allocated memory is still 58.7 MB. Free memory was 37.3 MB in the beginning and 20.7 MB in the end (delta: 16.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.20 ms. Allocated memory is still 58.7 MB. Free memory was 20.7 MB in the beginning and 20.4 MB in the end (delta: 357.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 223, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L223] float x = -0.0f; [L224] float y = -0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -pi VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "float_req_bl_0680b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 157 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=110occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:21:04,884 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-24 23:21:04,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:21:04,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:21:04,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:21:04,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:21:04,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:21:05,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:21:05,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:21:05,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:21:05,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:21:05,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:21:05,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:21:05,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:21:05,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:21:05,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:21:05,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:21:05,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:21:05,073 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:21:05,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:21:05,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:21:05,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:21:05,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:21:05,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:21:05,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:21:05,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:21:05,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:21:05,076 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:21:05,076 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:21:05,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:21:05,076 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:21:05,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:21:05,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:21:05,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:21:05,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:21:05,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:21:05,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:21:05,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:21:05,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:21:05,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:21:05,078 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:21:05,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:21:05,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:21:05,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:21:05,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:21:05,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 [2020-10-24 23:21:05,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:21:05,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:21:05,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:21:05,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:21:05,608 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:21:05,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2020-10-24 23:21:05,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9b235c7/90cc88c9748a4623a9c38e6e3bbf9e78/FLAGd7abd4a4a [2020-10-24 23:21:06,313 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:21:06,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2020-10-24 23:21:06,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9b235c7/90cc88c9748a4623a9c38e6e3bbf9e78/FLAGd7abd4a4a [2020-10-24 23:21:06,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9b235c7/90cc88c9748a4623a9c38e6e3bbf9e78 [2020-10-24 23:21:06,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:21:06,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:21:06,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:21:06,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:21:06,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:21:06,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:21:06" (1/1) ... [2020-10-24 23:21:06,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17af5a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:06, skipping insertion in model container [2020-10-24 23:21:06,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:21:06" (1/1) ... [2020-10-24 23:21:06,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:21:06,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:21:06,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:21:07,022 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:21:07,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:21:07,228 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:21:07,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07 WrapperNode [2020-10-24 23:21:07,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:21:07,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:21:07,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:21:07,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:21:07,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:21:07,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:21:07,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:21:07,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:21:07,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... [2020-10-24 23:21:07,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:21:07,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:21:07,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:21:07,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:21:07,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:21:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-10-24 23:21:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:21:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:21:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 23:21:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:21:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:21:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:21:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-24 23:21:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:21:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:21:27,327 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:21:27,328 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-24 23:21:27,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:27 BoogieIcfgContainer [2020-10-24 23:21:27,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:21:27,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:21:27,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:21:27,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:21:27,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:21:06" (1/3) ... [2020-10-24 23:21:27,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5e3e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:21:27, skipping insertion in model container [2020-10-24 23:21:27,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:07" (2/3) ... [2020-10-24 23:21:27,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5e3e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:21:27, skipping insertion in model container [2020-10-24 23:21:27,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:27" (3/3) ... [2020-10-24 23:21:27,343 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2020-10-24 23:21:27,355 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:21:27,359 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:21:27,371 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:21:27,408 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:21:27,408 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:21:27,409 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:21:27,413 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:21:27,413 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:21:27,414 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:21:27,414 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:21:27,414 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:21:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-24 23:21:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:21:27,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:27,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:27,440 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:27,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:27,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2020-10-24 23:21:27,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:21:27,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732430230] [2020-10-24 23:21:27,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:21:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:28,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:21:28,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:21:28,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:28,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:21:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:28,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732430230] [2020-10-24 23:21:28,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:28,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:21:28,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800756157] [2020-10-24 23:21:28,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:21:28,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:21:28,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:21:28,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:21:28,495 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-10-24 23:21:28,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:21:28,534 INFO L93 Difference]: Finished difference Result 217 states and 363 transitions. [2020-10-24 23:21:28,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:21:28,535 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:21:28,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:21:28,549 INFO L225 Difference]: With dead ends: 217 [2020-10-24 23:21:28,549 INFO L226 Difference]: Without dead ends: 106 [2020-10-24 23:21:28,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:21:28,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-24 23:21:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-10-24 23:21:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-24 23:21:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2020-10-24 23:21:28,605 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2020-10-24 23:21:28,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:21:28,606 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2020-10-24 23:21:28,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:21:28,606 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2020-10-24 23:21:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:21:28,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:28,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:28,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:21:28,824 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:28,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:28,826 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2020-10-24 23:21:28,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:21:28,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517777302] [2020-10-24 23:21:28,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 23:21:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:29,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-24 23:21:29,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:21:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:30,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:21:30,275 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:21:30,458 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:21:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:30,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517777302] [2020-10-24 23:21:30,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:30,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-24 23:21:30,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232498370] [2020-10-24 23:21:30,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 23:21:30,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:21:30,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 23:21:30,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-24 23:21:30,605 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand 12 states. [2020-10-24 23:21:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:21:30,966 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2020-10-24 23:21:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:21:30,971 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2020-10-24 23:21:30,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:21:30,972 INFO L225 Difference]: With dead ends: 113 [2020-10-24 23:21:30,972 INFO L226 Difference]: Without dead ends: 24 [2020-10-24 23:21:30,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-24 23:21:30,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-24 23:21:30,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-24 23:21:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-24 23:21:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-10-24 23:21:30,979 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2020-10-24 23:21:30,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:21:30,980 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-10-24 23:21:30,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 23:21:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-10-24 23:21:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-24 23:21:30,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:30,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:31,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:21:31,196 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:31,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:31,197 INFO L82 PathProgramCache]: Analyzing trace with hash 851663127, now seen corresponding path program 1 times [2020-10-24 23:21:31,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:21:31,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863863735] [2020-10-24 23:21:31,199 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 [2020-10-24 23:21:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:32,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-24 23:21:32,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:21:32,277 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:21:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:32,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:21:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:32,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863863735] [2020-10-24 23:21:32,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:32,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-24 23:21:32,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515712019] [2020-10-24 23:21:32,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 23:21:32,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:21:32,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 23:21:32,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-24 23:21:32,475 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 9 states. [2020-10-24 23:21:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:21:32,697 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-10-24 23:21:32,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 23:21:32,698 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-10-24 23:21:32,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:21:32,699 INFO L225 Difference]: With dead ends: 36 [2020-10-24 23:21:32,699 INFO L226 Difference]: Without dead ends: 24 [2020-10-24 23:21:32,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-24 23:21:32,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-24 23:21:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-24 23:21:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-24 23:21:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-10-24 23:21:32,704 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2020-10-24 23:21:32,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:21:32,705 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-10-24 23:21:32,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 23:21:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-10-24 23:21:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-24 23:21:32,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:32,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:32,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:21:32,917 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:32,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:32,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1894733472, now seen corresponding path program 1 times [2020-10-24 23:21:32,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:21:32,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158072651] [2020-10-24 23:21:32,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-24 23:21:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:33,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-24 23:21:33,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:21:34,089 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:21:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:34,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:21:34,146 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:21:34,205 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-24 23:21:34,293 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-24 23:21:34,553 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-24 23:21:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:34,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158072651] [2020-10-24 23:21:34,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:34,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2020-10-24 23:21:34,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289583341] [2020-10-24 23:21:34,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 23:21:34,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:21:34,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 23:21:34,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-24 23:21:34,762 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 14 states. [2020-10-24 23:21:35,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:21:35,178 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2020-10-24 23:21:35,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:21:35,183 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-24 23:21:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:21:35,184 INFO L225 Difference]: With dead ends: 28 [2020-10-24 23:21:35,184 INFO L226 Difference]: Without dead ends: 24 [2020-10-24 23:21:35,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-10-24 23:21:35,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-24 23:21:35,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-24 23:21:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-24 23:21:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2020-10-24 23:21:35,188 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2020-10-24 23:21:35,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:21:35,189 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2020-10-24 23:21:35,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 23:21:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2020-10-24 23:21:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-24 23:21:35,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:35,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:35,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 23:21:35,400 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:35,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:35,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1386426768, now seen corresponding path program 1 times [2020-10-24 23:21:35,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:21:35,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040313157] [2020-10-24 23:21:35,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-24 23:21:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:36,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-24 23:21:36,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:21:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:36,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:21:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:37,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040313157] [2020-10-24 23:21:37,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:37,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-10-24 23:21:37,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007306101] [2020-10-24 23:21:37,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 23:21:37,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:21:37,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 23:21:37,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 23:21:37,448 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 8 states. [2020-10-24 23:21:37,908 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-10-24 23:21:38,316 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-10-24 23:21:38,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:21:38,417 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-10-24 23:21:38,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 23:21:38,419 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-10-24 23:21:38,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:21:38,420 INFO L225 Difference]: With dead ends: 28 [2020-10-24 23:21:38,420 INFO L226 Difference]: Without dead ends: 24 [2020-10-24 23:21:38,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-24 23:21:38,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-24 23:21:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-24 23:21:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-24 23:21:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2020-10-24 23:21:38,426 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 19 [2020-10-24 23:21:38,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:21:38,427 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2020-10-24 23:21:38,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 23:21:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2020-10-24 23:21:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-24 23:21:38,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:21:38,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:21:38,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 23:21:38,639 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:21:38,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:21:38,640 INFO L82 PathProgramCache]: Analyzing trace with hash -984474140, now seen corresponding path program 1 times [2020-10-24 23:21:38,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:21:38,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013762547] [2020-10-24 23:21:38,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-24 23:21:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:21:39,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-24 23:21:39,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:21:39,690 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:21:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:39,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:21:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:21:39,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013762547] [2020-10-24 23:21:39,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:21:39,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-10-24 23:21:39,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094350985] [2020-10-24 23:21:39,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 23:21:39,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:21:39,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 23:21:39,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-24 23:21:39,901 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 11 states. [2020-10-24 23:21:40,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:21:40,165 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-10-24 23:21:40,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:21:40,165 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-10-24 23:21:40,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:21:40,165 INFO L225 Difference]: With dead ends: 24 [2020-10-24 23:21:40,165 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:21:40,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-24 23:21:40,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:21:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:21:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:21:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:21:40,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-24 23:21:40,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:21:40,170 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:21:40,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 23:21:40,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:21:40,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:21:40,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-24 23:21:40,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:21:40,999 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-24 23:21:41,010 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-24 23:21:41,010 INFO L274 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-10-24 23:21:41,010 INFO L277 CegarLoopResult]: At program point L234(lines 216 235) the Hoare annotation is: true [2020-10-24 23:21:41,010 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:21:41,011 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:21:41,011 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:21:41,011 INFO L274 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-10-24 23:21:41,011 INFO L270 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (let ((.cse1 (fp.neg (_ +zero 8 24)))) (and (= ULTIMATE.start___ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hx~1 (_ bv30 32))))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse1) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse1)))) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0))) [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-10-24 23:21:41,012 INFO L274 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-10-24 23:21:41,013 INFO L274 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-10-24 23:21:41,016 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-10-24 23:21:41,016 INFO L274 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-10-24 23:21:41,016 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-10-24 23:21:41,016 INFO L274 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-10-24 23:21:41,016 INFO L274 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-10-24 23:21:41,016 INFO L274 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-10-24 23:21:41,017 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L270 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L270 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-10-24 23:21:41,018 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-24 23:21:41,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:21:41,019 INFO L274 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-10-24 23:21:41,019 INFO L274 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-10-24 23:21:41,019 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-10-24 23:21:41,019 INFO L270 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0))) [2020-10-24 23:21:41,019 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-10-24 23:21:41,020 INFO L274 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-10-24 23:21:41,020 INFO L270 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-10-24 23:21:41,020 INFO L270 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-10-24 23:21:41,020 INFO L270 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-10-24 23:21:41,020 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-24 23:21:41,020 INFO L274 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-10-24 23:21:41,020 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-10-24 23:21:41,020 INFO L274 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-10-24 23:21:41,021 INFO L274 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-10-24 23:21:41,021 INFO L274 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-10-24 23:21:41,021 INFO L274 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-10-24 23:21:41,021 INFO L274 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-10-24 23:21:41,021 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-24 23:21:41,021 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:21:41,022 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-10-24 23:21:41,022 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-24 23:21:41,022 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-24 23:21:41,022 INFO L274 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-10-24 23:21:41,022 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-24 23:21:41,022 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-24 23:21:41,023 INFO L274 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-10-24 23:21:41,023 INFO L274 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-10-24 23:21:41,023 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-24 23:21:41,023 INFO L274 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-10-24 23:21:41,023 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-10-24 23:21:41,023 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-10-24 23:21:41,023 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-24 23:21:41,024 INFO L274 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-10-24 23:21:41,024 INFO L274 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-10-24 23:21:41,024 INFO L270 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-10-24 23:21:41,024 INFO L274 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-10-24 23:21:41,024 INFO L274 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-10-24 23:21:41,024 INFO L274 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-10-24 23:21:41,025 INFO L270 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-10-24 23:21:41,025 INFO L274 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-10-24 23:21:41,025 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-24 23:21:41,025 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-10-24 23:21:41,026 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0))) [2020-10-24 23:21:41,026 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-10-24 23:21:41,026 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-10-24 23:21:41,026 INFO L274 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-10-24 23:21:41,026 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-24 23:21:41,026 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-24 23:21:41,027 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:21:41,027 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:21:41,027 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-10-24 23:21:41,027 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-10-24 23:21:41,027 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-10-24 23:21:41,027 INFO L270 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-10-24 23:21:41,028 INFO L274 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-10-24 23:21:41,028 INFO L270 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-10-24 23:21:41,028 INFO L274 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-10-24 23:21:41,028 INFO L270 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-10-24 23:21:41,028 INFO L274 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-10-24 23:21:41,028 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-10-24 23:21:41,029 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-24 23:21:41,029 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-24 23:21:41,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:21:41 BoogieIcfgContainer [2020-10-24 23:21:41,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:21:41,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:21:41,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:21:41,084 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:21:41,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:27" (3/4) ... [2020-10-24 23:21:41,092 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 23:21:41,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-10-24 23:21:41,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-10-24 23:21:41,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:21:41,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:21:41,154 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2020-10-24 23:21:41,154 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: (m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2020-10-24 23:21:41,226 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:21:41,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:21:41,228 INFO L168 Benchmark]: Toolchain (without parser) took 34600.17 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 16.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:41,228 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 44.0 MB. Free memory was 28.6 MB in the beginning and 28.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:21:41,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.77 ms. Allocated memory is still 44.0 MB. Free memory was 29.5 MB in the beginning and 23.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:41,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.47 ms. Allocated memory is still 44.0 MB. Free memory was 23.6 MB in the beginning and 20.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:41,230 INFO L168 Benchmark]: Boogie Preprocessor took 78.35 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 36.0 MB in the end (delta: -15.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:41,230 INFO L168 Benchmark]: RCFGBuilder took 19882.34 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 24.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:41,231 INFO L168 Benchmark]: TraceAbstraction took 13748.89 ms. Allocated memory is still 54.5 MB. Free memory was 23.7 MB in the beginning and 24.1 MB in the end (delta: -386.7 kB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:41,231 INFO L168 Benchmark]: Witness Printer took 142.75 ms. Allocated memory is still 54.5 MB. Free memory was 24.1 MB in the beginning and 16.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:21:41,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 44.0 MB. Free memory was 28.6 MB in the beginning and 28.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.77 ms. Allocated memory is still 44.0 MB. Free memory was 29.5 MB in the beginning and 23.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 139.47 ms. Allocated memory is still 44.0 MB. Free memory was 23.6 MB in the beginning and 20.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.35 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 36.0 MB in the end (delta: -15.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19882.34 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 24.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13748.89 ms. Allocated memory is still 54.5 MB. Free memory was 23.7 MB in the beginning and 24.1 MB in the end (delta: -386.7 kB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 142.75 ms. Allocated memory is still 54.5 MB. Free memory was 24.1 MB in the beginning and 16.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-10-24 23:21:41,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-10-24 23:21:41,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2020-10-24 23:21:41,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-10-24 23:21:41,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-10-24 23:21:41,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:21:41,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:21:41,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: (m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 230 SDtfs, 358 SDslu, 135 SDs, 0 SdLazy, 146 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 138 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 217 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 34 QuantifiedInterpolants, 42052 SizeOfPredicates, 48 NumberOfNonLiveVariables, 716 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 correct! Received shutdown request...