./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e1a00cf 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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0663a.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 1efcda3c8e82047a1882f782282ebcbc84855c8e ........................................................................................................................................................................................................................................................................................................................... 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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0663a.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 1efcda3c8e82047a1882f782282ebcbc84855c8e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-0e1a00c [2020-11-29 14:48:36,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 14:48:36,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 14:48:36,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 14:48:36,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 14:48:36,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 14:48:36,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 14:48:36,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 14:48:36,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 14:48:36,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 14:48:36,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 14:48:36,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 14:48:36,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 14:48:36,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 14:48:36,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 14:48:36,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 14:48:36,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 14:48:36,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 14:48:36,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 14:48:36,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 14:48:36,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 14:48:36,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 14:48:36,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 14:48:36,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 14:48:36,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 14:48:36,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 14:48:36,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 14:48:36,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 14:48:36,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 14:48:36,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 14:48:36,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 14:48:36,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 14:48:36,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 14:48:36,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 14:48:36,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 14:48:36,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 14:48:36,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 14:48:36,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 14:48:36,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 14:48:36,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 14:48:36,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 14:48:36,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 14:48:36,194 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 14:48:36,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 14:48:36,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 14:48:36,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 14:48:36,197 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 14:48:36,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 14:48:36,198 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 14:48:36,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 14:48:36,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 14:48:36,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 14:48:36,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 14:48:36,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 14:48:36,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 14:48:36,200 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 14:48:36,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 14:48:36,202 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 14:48:36,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 14:48:36,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 14:48:36,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 14:48:36,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 14:48:36,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 14:48:36,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 14:48:36,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 14:48:36,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 14:48:36,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 14:48:36,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 14:48:36,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 14:48:36,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 14:48:36,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 14:48:36,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1efcda3c8e82047a1882f782282ebcbc84855c8e [2020-11-29 14:48:36,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 14:48:36,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 14:48:36,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 14:48:36,670 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 14:48:36,672 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 14:48:36,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c [2020-11-29 14:48:36,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce6981608/5919200f754e44368d0f6c0529abfafa/FLAGe4898cd6d [2020-11-29 14:48:37,399 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 14:48:37,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c [2020-11-29 14:48:37,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce6981608/5919200f754e44368d0f6c0529abfafa/FLAGe4898cd6d [2020-11-29 14:48:37,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce6981608/5919200f754e44368d0f6c0529abfafa [2020-11-29 14:48:37,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 14:48:37,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 14:48:37,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 14:48:37,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 14:48:37,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 14:48:37,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:48:37" (1/1) ... [2020-11-29 14:48:37,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e1e810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:37, skipping insertion in model container [2020-11-29 14:48:37,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:48:37" (1/1) ... [2020-11-29 14:48:37,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 14:48:37,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 14:48:38,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:48:38,111 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 14:48:38,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:48:38,191 INFO L208 MainTranslator]: Completed translation [2020-11-29 14:48:38,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38 WrapperNode [2020-11-29 14:48:38,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 14:48:38,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 14:48:38,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 14:48:38,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 14:48:38,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 14:48:38,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 14:48:38,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 14:48:38,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 14:48:38,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (1/1) ... [2020-11-29 14:48:38,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 14:48:38,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 14:48:38,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 14:48:38,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 14:48:38,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (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 [2020-11-29 14:48:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 14:48:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 14:48:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 14:48:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 14:48:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 14:48:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 14:48:38,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 14:48:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 14:48:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 14:48:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 14:48:39,511 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 14:48:39,512 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-29 14:48:39,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:48:39 BoogieIcfgContainer [2020-11-29 14:48:39,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 14:48:39,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 14:48:39,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 14:48:39,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 14:48:39,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:48:37" (1/3) ... [2020-11-29 14:48:39,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a16dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:48:39, skipping insertion in model container [2020-11-29 14:48:39,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:38" (2/3) ... [2020-11-29 14:48:39,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a16dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:48:39, skipping insertion in model container [2020-11-29 14:48:39,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:48:39" (3/3) ... [2020-11-29 14:48:39,523 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2020-11-29 14:48:39,537 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 14:48:39,541 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 14:48:39,554 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 14:48:39,582 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 14:48:39,582 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 14:48:39,583 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 14:48:39,583 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 14:48:39,583 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 14:48:39,583 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 14:48:39,584 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 14:48:39,584 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 14:48:39,606 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-29 14:48:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 14:48:39,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:48:39,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:48:39,614 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:48:39,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:48:39,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-11-29 14:48:39,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 14:48:39,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997842026] [2020-11-29 14:48:39,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 14:48:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:48:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:48:39,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997842026] [2020-11-29 14:48:39,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:48:39,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 14:48:39,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779743790] [2020-11-29 14:48:39,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 14:48:39,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 14:48:39,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 14:48:39,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:48:39,900 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-29 14:48:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:48:39,934 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-11-29 14:48:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 14:48:39,936 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 14:48:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:48:39,949 INFO L225 Difference]: With dead ends: 220 [2020-11-29 14:48:39,949 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 14:48:39,953 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 [2020-11-29 14:48:39,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 14:48:39,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-29 14:48:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 14:48:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-11-29 14:48:40,003 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-11-29 14:48:40,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:48:40,004 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-11-29 14:48:40,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 14:48:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-11-29 14:48:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 14:48:40,005 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:48:40,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:48:40,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 14:48:40,006 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:48:40,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:48:40,008 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-11-29 14:48:40,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 14:48:40,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164673470] [2020-11-29 14:48:40,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 14:48:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 14:48:40,097 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 14:48:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 14:48:40,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 14:48:40,182 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 14:48:40,183 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 14:48:40,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 14:48:40,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:48:40 BoogieIcfgContainer [2020-11-29 14:48:40,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 14:48:40,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 14:48:40,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 14:48:40,238 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 14:48:40,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:48:39" (3/4) ... [2020-11-29 14:48:40,242 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 14:48:40,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 14:48:40,246 INFO L168 Benchmark]: Toolchain (without parser) took 2500.12 ms. Allocated memory was 41.9 MB in the beginning and 60.8 MB in the end (delta: 18.9 MB). Free memory was 18.3 MB in the beginning and 29.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:40,247 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 41.9 MB. Free memory was 28.0 MB in the beginning and 28.0 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:48:40,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.95 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.7 MB in the beginning and 23.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:40,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.68 ms. Allocated memory is still 50.3 MB. Free memory was 23.5 MB in the beginning and 33.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:40,250 INFO L168 Benchmark]: Boogie Preprocessor took 115.26 ms. Allocated memory is still 50.3 MB. Free memory was 33.2 MB in the beginning and 30.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:40,251 INFO L168 Benchmark]: RCFGBuilder took 1103.61 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 29.9 MB in the beginning and 29.4 MB in the end (delta: 522.8 kB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:40,252 INFO L168 Benchmark]: TraceAbstraction took 720.86 ms. Allocated memory is still 60.8 MB. Free memory was 28.9 MB in the beginning and 29.7 MB in the end (delta: -813.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:48:40,253 INFO L168 Benchmark]: Witness Printer took 5.59 ms. Allocated memory is still 60.8 MB. Free memory was 29.7 MB in the beginning and 29.3 MB in the end (delta: 378.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:48:40,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 41.9 MB. Free memory was 28.0 MB in the beginning and 28.0 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.95 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.7 MB in the beginning and 23.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.68 ms. Allocated memory is still 50.3 MB. Free memory was 23.5 MB in the beginning and 33.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.26 ms. Allocated memory is still 50.3 MB. Free memory was 33.2 MB in the beginning and 30.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1103.61 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 29.9 MB in the beginning and 29.4 MB in the end (delta: 522.8 kB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 720.86 ms. Allocated memory is still 60.8 MB. Free memory was 28.9 MB in the beginning and 29.7 MB in the end (delta: -813.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.59 ms. Allocated memory is still 60.8 MB. Free memory was 29.7 MB in the beginning and 29.3 MB in the end (delta: 378.8 kB). Peak memory consumption was 2.1 MB. 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 230, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 218, 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] [L218] float x = -0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE 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] [L227] float res = __ieee754_atan2f(y, x); [L230] COND TRUE res != pi_o_2 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_0663a.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, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 160 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=112occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.2.0-0e1a00c [2020-11-29 14:48:42,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 14:48:42,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 14:48:42,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-29 14:48:42,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 14:48:42,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 14:48:42,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 14:48:42,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 14:48:42,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 14:48:42,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 14:48:42,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 14:48:42,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 14:48:42,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 14:48:42,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 14:48:42,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 14:48:42,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 14:48:42,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 14:48:42,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 14:48:42,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 14:48:42,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 14:48:42,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 14:48:42,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 14:48:42,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 14:48:42,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 14:48:42,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 14:48:42,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 14:48:42,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 14:48:42,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 14:48:42,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 14:48:42,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 14:48:42,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 14:48:42,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 14:48:42,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 14:48:42,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 14:48:43,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 14:48:43,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 14:48:43,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 14:48:43,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 14:48:43,007 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 14:48:43,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 14:48:43,008 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 14:48:43,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 14:48:43,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 14:48:43,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 14:48:43,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 14:48:43,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 14:48:43,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 14:48:43,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 14:48:43,011 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 14:48:43,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 14:48:43,011 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 14:48:43,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 14:48:43,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 14:48:43,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 14:48:43,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 14:48:43,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 14:48:43,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 14:48:43,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 14:48:43,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 14:48:43,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 14:48:43,014 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 14:48:43,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 14:48:43,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 14:48:43,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 14:48:43,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 14:48:43,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1efcda3c8e82047a1882f782282ebcbc84855c8e [2020-11-29 14:48:43,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 14:48:43,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 14:48:43,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 14:48:43,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 14:48:43,489 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 14:48:43,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c [2020-11-29 14:48:43,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfcd0c9b/d2e12324939144cc96640ff56eb22b54/FLAGdae0945da [2020-11-29 14:48:44,102 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 14:48:44,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c [2020-11-29 14:48:44,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfcd0c9b/d2e12324939144cc96640ff56eb22b54/FLAGdae0945da [2020-11-29 14:48:44,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbfcd0c9b/d2e12324939144cc96640ff56eb22b54 [2020-11-29 14:48:44,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 14:48:44,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 14:48:44,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 14:48:44,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 14:48:44,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 14:48:44,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:44,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413e35f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44, skipping insertion in model container [2020-11-29 14:48:44,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:44,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 14:48:44,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 14:48:44,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:48:44,838 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 14:48:44,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:48:44,971 INFO L208 MainTranslator]: Completed translation [2020-11-29 14:48:44,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44 WrapperNode [2020-11-29 14:48:44,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 14:48:44,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 14:48:44,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 14:48:44,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 14:48:44,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 14:48:45,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 14:48:45,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 14:48:45,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 14:48:45,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (1/1) ... [2020-11-29 14:48:45,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 14:48:45,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 14:48:45,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 14:48:45,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 14:48:45,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (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 [2020-11-29 14:48:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-29 14:48:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 14:48:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 14:48:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 14:48:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 14:48:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 14:48:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 14:48:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 14:48:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 14:48:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 14:49:19,416 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 14:49:19,417 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-29 14:49:19,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:19 BoogieIcfgContainer [2020-11-29 14:49:19,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 14:49:19,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 14:49:19,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 14:49:19,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 14:49:19,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:48:44" (1/3) ... [2020-11-29 14:49:19,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2907bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:49:19, skipping insertion in model container [2020-11-29 14:49:19,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:48:44" (2/3) ... [2020-11-29 14:49:19,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2907bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:49:19, skipping insertion in model container [2020-11-29 14:49:19,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:19" (3/3) ... [2020-11-29 14:49:19,428 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2020-11-29 14:49:19,443 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 14:49:19,447 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 14:49:19,460 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 14:49:19,507 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 14:49:19,508 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 14:49:19,508 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 14:49:19,510 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 14:49:19,510 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 14:49:19,510 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 14:49:19,510 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 14:49:19,511 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 14:49:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-29 14:49:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 14:49:19,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:49:19,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:49:19,537 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:49:19,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:49:19,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-11-29 14:49:19,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:49:19,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526154258] [2020-11-29 14:49:19,559 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 [2020-11-29 14:49:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:49:20,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 14:49:20,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:49:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:49:20,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:49:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:49:20,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526154258] [2020-11-29 14:49:20,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:49:20,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 14:49:20,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700099579] [2020-11-29 14:49:20,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 14:49:20,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:49:20,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 14:49:20,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:49:20,784 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-29 14:49:20,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:49:20,819 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-11-29 14:49:20,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 14:49:20,821 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 14:49:20,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:49:20,833 INFO L225 Difference]: With dead ends: 220 [2020-11-29 14:49:20,834 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 14:49:20,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:49:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 14:49:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-29 14:49:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 14:49:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-11-29 14:49:20,893 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-11-29 14:49:20,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:49:20,894 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-11-29 14:49:20,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 14:49:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-11-29 14:49:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 14:49:20,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:49:20,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:49:21,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 14:49:21,110 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:49:21,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:49:21,113 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-11-29 14:49:21,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:49:21,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037744536] [2020-11-29 14:49:21,114 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 [2020-11-29 14:49:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:49:22,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 14:49:22,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:49:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:49:22,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:49:23,335 INFO L626 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 14:49:23,693 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-11-29 14:49:23,941 INFO L626 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 14:49:24,360 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-11-29 14:49:24,374 INFO L626 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 14:49:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:49:24,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037744536] [2020-11-29 14:49:24,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:49:24,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-11-29 14:49:24,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39761777] [2020-11-29 14:49:24,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 14:49:24,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:49:24,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 14:49:24,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-11-29 14:49:24,646 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2020-11-29 14:49:25,611 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-11-29 14:49:25,829 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 14:49:25,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:49:25,971 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2020-11-29 14:49:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 14:49:25,976 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-11-29 14:49:25,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:49:25,977 INFO L225 Difference]: With dead ends: 114 [2020-11-29 14:49:25,977 INFO L226 Difference]: Without dead ends: 19 [2020-11-29 14:49:25,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-11-29 14:49:25,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-29 14:49:25,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-29 14:49:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 14:49:25,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-29 14:49:25,983 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2020-11-29 14:49:25,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:49:25,983 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-29 14:49:25,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 14:49:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-29 14:49:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 14:49:25,986 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:49:25,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:49:26,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 14:49:26,200 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:49:26,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:49:26,201 INFO L82 PathProgramCache]: Analyzing trace with hash -625824453, now seen corresponding path program 1 times [2020-11-29 14:49:26,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:49:26,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76785498] [2020-11-29 14:49:26,203 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 [2020-11-29 14:49:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:49:27,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 14:49:27,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:49:27,495 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-11-29 14:49:27,899 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-11-29 14:49:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:49:27,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:49:30,284 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2020-11-29 14:49:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:49:30,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76785498] [2020-11-29 14:49:30,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:49:30,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-11-29 14:49:30,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399182573] [2020-11-29 14:49:30,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 14:49:30,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:49:30,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 14:49:30,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-29 14:49:30,300 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2020-11-29 14:49:31,071 WARN L197 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2020-11-29 14:49:31,614 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2020-11-29 14:49:32,229 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2020-11-29 14:49:32,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:49:32,230 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-29 14:49:32,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 14:49:32,230 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-11-29 14:49:32,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:49:32,231 INFO L225 Difference]: With dead ends: 19 [2020-11-29 14:49:32,231 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 14:49:32,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-29 14:49:32,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 14:49:32,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 14:49:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 14:49:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 14:49:32,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-29 14:49:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:49:32,232 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 14:49:32,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 14:49:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 14:49:32,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 14:49:32,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 14:49:32,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 14:49:32,708 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-29 14:49:32,960 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-11-29 14:49:33,413 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 14:49:33,461 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 14:49:33,462 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 14:49:33,462 INFO L265 CegarLoopResult]: At program point L235(lines 217 236) the Hoare annotation is: true [2020-11-29 14:49:33,462 INFO L262 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-11-29 14:49:33,462 INFO L262 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-29 14:49:33,462 INFO L262 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-11-29 14:49:33,462 INFO L262 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-11-29 14:49:33,462 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-11-29 14:49:33,462 INFO L262 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-11-29 14:49:33,463 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-11-29 14:49:33,463 INFO L262 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-29 14:49:33,465 INFO L262 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-11-29 14:49:33,465 INFO L262 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-29 14:49:33,465 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-11-29 14:49:33,465 INFO L262 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-11-29 14:49:33,465 INFO L262 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-11-29 14:49:33,465 INFO L262 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-29 14:49:33,465 INFO L262 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-11-29 14:49:33,465 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 14:49:33,466 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 14:49:33,467 INFO L262 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-11-29 14:49:33,467 INFO L262 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-29 14:49:33,467 INFO L262 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-11-29 14:49:33,468 INFO L262 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-11-29 14:49:33,468 INFO L262 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-11-29 14:49:33,468 INFO L262 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-11-29 14:49:33,468 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-29 14:49:33,468 INFO L262 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-29 14:49:33,469 INFO L262 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-11-29 14:49:33,469 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 14:49:33,469 INFO L262 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-11-29 14:49:33,469 INFO L262 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-11-29 14:49:33,469 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 14:49:33,469 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 14:49:33,470 INFO L262 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-11-29 14:49:33,470 INFO L262 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-11-29 14:49:33,470 INFO L258 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-11-29 14:49:33,470 INFO L262 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-11-29 14:49:33,470 INFO L262 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-11-29 14:49:33,471 INFO L262 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-11-29 14:49:33,471 INFO L258 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-11-29 14:49:33,471 INFO L262 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-29 14:49:33,471 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-29 14:49:33,471 INFO L258 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-11-29 14:49:33,472 INFO L262 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-11-29 14:49:33,472 INFO L258 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-11-29 14:49:33,473 INFO L262 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-11-29 14:49:33,473 INFO L258 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-11-29 14:49:33,473 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 14:49:33,473 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 14:49:33,473 INFO L262 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-11-29 14:49:33,473 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 14:49:33,474 INFO L258 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp.add roundNearestTiesToEven ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= 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.gt (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)) (_ +zero 8 24)))) (= ULTIMATE.start_main_~x~0 .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))) (= (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) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (fp.gt (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)) (_ +zero 8 24)))) [2020-11-29 14:49:33,474 INFO L262 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:49:33,475 INFO L262 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-11-29 14:49:33,475 INFO L262 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:49:33,476 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:49:33,476 INFO L262 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-11-29 14:49:33,477 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:49:33,477 INFO L262 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:49:33,477 INFO L262 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-11-29 14:49:33,477 INFO L262 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-11-29 14:49:33,478 INFO L262 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-11-29 14:49:33,482 INFO L262 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-11-29 14:49:33,482 INFO L262 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-11-29 14:49:33,482 INFO L262 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-11-29 14:49:33,483 INFO L262 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-11-29 14:49:33,483 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 14:49:33,484 INFO L262 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-11-29 14:49:33,484 INFO L262 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-11-29 14:49:33,484 INFO L262 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-11-29 14:49:33,484 INFO L262 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-11-29 14:49:33,485 INFO L258 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-11-29 14:49:33,485 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-29 14:49:33,485 INFO L262 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-29 14:49:33,485 INFO L258 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-11-29 14:49:33,485 INFO L262 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-11-29 14:49:33,486 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 14:49:33,486 INFO L262 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-11-29 14:49:33,486 INFO L262 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-11-29 14:49:33,486 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-11-29 14:49:33,487 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)))) [2020-11-29 14:49:33,487 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-11-29 14:49:33,487 INFO L262 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-11-29 14:49:33,492 INFO L258 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-11-29 14:49:33,493 INFO L258 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-11-29 14:49:33,493 INFO L258 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-11-29 14:49:33,493 INFO L262 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-11-29 14:49:33,493 INFO L262 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-11-29 14:49:33,493 INFO L262 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-11-29 14:49:33,494 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 14:49:33,494 INFO L262 CegarLoopResult]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2020-11-29 14:49:33,495 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 14:49:33,495 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 14:49:33,495 INFO L262 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-29 14:49:33,496 INFO L262 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-11-29 14:49:33,496 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-11-29 14:49:33,496 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 14:49:33,496 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-11-29 14:49:33,496 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) 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))))) (= ULTIMATE.start_main_~x~0 .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= (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) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)))) [2020-11-29 14:49:33,497 INFO L262 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-11-29 14:49:33,497 INFO L262 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-11-29 14:49:33,497 INFO L262 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-11-29 14:49:33,497 INFO L262 CegarLoopResult]: For program point L230(lines 230 233) no Hoare annotation was computed. [2020-11-29 14:49:33,497 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 14:49:33,497 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 14:49:33,498 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 14:49:33,498 INFO L262 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-11-29 14:49:33,498 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-11-29 14:49:33,498 INFO L262 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-11-29 14:49:33,498 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-11-29 14:49:33,499 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 14:49:33,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,524 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,532 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,532 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,532 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,533 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:49:33 BoogieIcfgContainer [2020-11-29 14:49:33,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 14:49:33,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 14:49:33,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 14:49:33,550 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 14:49:33,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:49:19" (3/4) ... [2020-11-29 14:49:33,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 14:49:33,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-29 14:49:33,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-29 14:49:33,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 14:49:33,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 14:49:33,608 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()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~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) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2020-11-29 14:49:33,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result && 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.gt~FLOAT(~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]), ~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~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) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE()) [2020-11-29 14:49:33,683 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-11-29 14:49:33,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 14:49:33,684 INFO L168 Benchmark]: Toolchain (without parser) took 49218.44 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.6 MB in the beginning and 33.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-11-29 14:49:33,685 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:49:33,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.77 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.9 MB in the beginning and 45.2 MB in the end (delta: -21.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-11-29 14:49:33,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.51 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 41.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 14:49:33,686 INFO L168 Benchmark]: Boogie Preprocessor took 138.35 ms. Allocated memory is still 62.9 MB. Free memory was 41.5 MB in the beginning and 38.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:49:33,689 INFO L168 Benchmark]: RCFGBuilder took 34200.13 ms. Allocated memory is still 62.9 MB. Free memory was 38.0 MB in the beginning and 31.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-11-29 14:49:33,689 INFO L168 Benchmark]: TraceAbstraction took 14129.00 ms. Allocated memory is still 62.9 MB. Free memory was 31.3 MB in the beginning and 41.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-11-29 14:49:33,689 INFO L168 Benchmark]: Witness Printer took 133.55 ms. Allocated memory is still 62.9 MB. Free memory was 41.3 MB in the beginning and 33.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 14:49:33,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 499.77 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.9 MB in the beginning and 45.2 MB in the end (delta: -21.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.51 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 41.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.35 ms. Allocated memory is still 62.9 MB. Free memory was 41.5 MB in the beginning and 38.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 34200.13 ms. Allocated memory is still 62.9 MB. Free memory was 38.0 MB in the beginning and 31.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14129.00 ms. Allocated memory is still 62.9 MB. Free memory was 31.3 MB in the beginning and 41.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Witness Printer took 133.55 ms. Allocated memory is still 62.9 MB. Free memory was 41.3 MB in the beginning and 33.8 MB in the end (delta: 7.5 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 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 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 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 [2020-11-29 14:49:33,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,705 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: 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: 130]: Loop Invariant [2020-11-29 14:49:33,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,713 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()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~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) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2020-11-29 14:49:33,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 14:49:33,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 14:49:33,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:49:33,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:49:33,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result && 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.gt~FLOAT(~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]), ~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~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) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~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, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 116 SDslu, 78 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 188 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10401 SizeOfPredicates, 18 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...