./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0662b.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4c379b7a04a6d66192cdd980e7a650440d3ad5e ................................................................................................................................................................................................................................................................................................................. 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0662b.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4c379b7a04a6d66192cdd980e7a650440d3ad5e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:51:42,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:51:42,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:51:42,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:51:42,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:51:42,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:51:42,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:51:42,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:51:42,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:51:42,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:51:42,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:51:42,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:51:42,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:51:42,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:51:42,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:51:42,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:51:42,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:51:42,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:51:42,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:51:42,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:51:42,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:51:42,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:51:42,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:51:42,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:51:42,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:51:42,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:51:42,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:51:42,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:51:42,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:51:42,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:51:42,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:51:42,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:51:42,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:51:42,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:51:42,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:51:42,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:51:42,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:51:42,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:51:42,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:51:42,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:51:42,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:51:42,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:51:42,199 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:51:42,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:51:42,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:51:42,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:51:42,206 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:51:42,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:51:42,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:51:42,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:51:42,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:51:42,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:51:42,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:51:42,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:51:42,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:51:42,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:51:42,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:51:42,212 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:51:42,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:51:42,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:51:42,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:51:42,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:51:42,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:51:42,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:51:42,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:51:42,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:51:42,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:51:42,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:51:42,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:51:42,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:51:42,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:51:42,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> a4c379b7a04a6d66192cdd980e7a650440d3ad5e [2019-11-28 16:51:42,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:51:42,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:51:42,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:51:42,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:51:42,596 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:51:42,597 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2019-11-28 16:51:42,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265b68ce8/dca38e6d55174132b4939648176d7728/FLAG337c536b3 [2019-11-28 16:51:43,207 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:51:43,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2019-11-28 16:51:43,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265b68ce8/dca38e6d55174132b4939648176d7728/FLAG337c536b3 [2019-11-28 16:51:43,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265b68ce8/dca38e6d55174132b4939648176d7728 [2019-11-28 16:51:43,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:51:43,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:51:43,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:51:43,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:51:43,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:51:43,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:43" (1/1) ... [2019-11-28 16:51:43,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4958a358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:43, skipping insertion in model container [2019-11-28 16:51:43,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:43" (1/1) ... [2019-11-28 16:51:43,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:51:43,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:51:43,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:51:43,974 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:51:44,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:51:44,055 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:51:44,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44 WrapperNode [2019-11-28 16:51:44,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:51:44,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:51:44,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:51:44,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:51:44,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:51:44,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:51:44,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:51:44,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:51:44,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (1/1) ... [2019-11-28 16:51:44,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:51:44,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:51:44,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:51:44,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:51:44,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (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 [2019-11-28 16:51:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:51:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:51:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:51:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:51:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:51:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:51:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:51:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-28 16:51:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:51:45,079 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:51:45,081 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-28 16:51:45,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:45 BoogieIcfgContainer [2019-11-28 16:51:45,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:51:45,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:51:45,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:51:45,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:51:45,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:51:43" (1/3) ... [2019-11-28 16:51:45,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657f94a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:51:45, skipping insertion in model container [2019-11-28 16:51:45,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:44" (2/3) ... [2019-11-28 16:51:45,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657f94a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:51:45, skipping insertion in model container [2019-11-28 16:51:45,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:45" (3/3) ... [2019-11-28 16:51:45,096 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2019-11-28 16:51:45,108 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:51:45,120 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:51:45,133 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:51:45,157 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:51:45,157 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:51:45,157 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:51:45,157 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:51:45,158 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:51:45,158 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:51:45,158 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:51:45,158 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:51:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-11-28 16:51:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:51:45,185 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:51:45,186 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:51:45,187 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:51:45,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:51:45,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2019-11-28 16:51:45,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:51:45,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286440498] [2019-11-28 16:51:45,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:51:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:51:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:51:45,357 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286440498] [2019-11-28 16:51:45,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:51:45,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:51:45,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201102939] [2019-11-28 16:51:45,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:51:45,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:51:45,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:51:45,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:51:45,382 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-11-28 16:51:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:51:45,416 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2019-11-28 16:51:45,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:51:45,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-28 16:51:45,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:51:45,431 INFO L225 Difference]: With dead ends: 219 [2019-11-28 16:51:45,432 INFO L226 Difference]: Without dead ends: 107 [2019-11-28 16:51:45,436 INFO L630 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 [2019-11-28 16:51:45,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-28 16:51:45,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-28 16:51:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-28 16:51:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2019-11-28 16:51:45,480 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2019-11-28 16:51:45,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:51:45,481 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2019-11-28 16:51:45,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:51:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2019-11-28 16:51:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 16:51:45,482 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:51:45,482 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:51:45,482 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:51:45,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:51:45,483 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2019-11-28 16:51:45,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:51:45,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421403490] [2019-11-28 16:51:45,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:51:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:51:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:51:45,689 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:51:45,689 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:51:45,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:51:45 BoogieIcfgContainer [2019-11-28 16:51:45,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:51:45,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:51:45,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:51:45,764 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:51:45,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:45" (3/4) ... [2019-11-28 16:51:45,769 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:51:45,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:51:45,771 INFO L168 Benchmark]: Toolchain (without parser) took 2201.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -61.8 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:51:45,772 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:51:45,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:51:45,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:51:45,775 INFO L168 Benchmark]: Boogie Preprocessor took 65.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:51:45,776 INFO L168 Benchmark]: RCFGBuilder took 859.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:51:45,777 INFO L168 Benchmark]: TraceAbstraction took 678.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:51:45,778 INFO L168 Benchmark]: Witness Printer took 5.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:51:45,783 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 859.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 678.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 230]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] 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, }; [L47-L49] 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; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L216] float x = 0.0f; [L217] float y = __VERIFIER_nondet_float(); [L224] COND TRUE y < 0.0f [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L230] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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, 111 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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=111occurred 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, 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 0.1.25-f470102 [2019-11-28 16:51:48,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:51:48,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:51:48,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:51:48,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:51:48,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:51:48,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:51:48,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:51:48,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:51:48,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:51:48,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:51:48,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:51:48,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:51:48,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:51:48,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:51:48,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:51:48,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:51:48,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:51:48,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:51:48,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:51:48,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:51:48,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:51:48,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:51:48,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:51:48,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:51:48,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:51:48,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:51:48,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:51:48,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:51:48,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:51:48,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:51:48,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:51:48,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:51:48,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:51:48,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:51:48,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:51:48,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:51:48,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:51:48,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:51:48,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:51:48,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:51:48,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:51:48,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:51:48,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:51:48,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:51:48,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:51:48,160 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:51:48,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:51:48,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:51:48,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:51:48,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:51:48,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:51:48,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:51:48,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:51:48,162 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:51:48,162 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:51:48,163 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:51:48,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:51:48,163 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:51:48,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:51:48,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:51:48,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:51:48,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:51:48,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:51:48,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:51:48,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:51:48,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:51:48,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:51:48,166 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:51:48,166 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:51:48,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:51:48,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:51:48,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:51:48,167 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> a4c379b7a04a6d66192cdd980e7a650440d3ad5e [2019-11-28 16:51:48,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:51:48,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:51:48,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:51:48,496 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:51:48,498 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:51:48,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2019-11-28 16:51:48,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54ea8737/031158e57ecc478390679637d7e2e078/FLAG40b195011 [2019-11-28 16:51:49,137 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:51:49,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2019-11-28 16:51:49,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54ea8737/031158e57ecc478390679637d7e2e078/FLAG40b195011 [2019-11-28 16:51:49,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54ea8737/031158e57ecc478390679637d7e2e078 [2019-11-28 16:51:49,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:51:49,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:51:49,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:51:49,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:51:49,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:51:49,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:49,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d13ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49, skipping insertion in model container [2019-11-28 16:51:49,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:49,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:51:49,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:51:49,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:51:49,891 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:51:49,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:51:49,992 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:51:49,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49 WrapperNode [2019-11-28 16:51:49,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:51:49,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:51:49,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:51:49,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:51:50,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:51:50,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:51:50,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:51:50,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:51:50,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (1/1) ... [2019-11-28 16:51:50,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:51:50,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:51:50,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:51:50,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:51:50,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (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 [2019-11-28 16:51:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-28 16:51:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:51:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-28 16:51:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:51:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:51:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:51:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-28 16:51:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:51:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:52:09,778 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:52:09,778 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-28 16:52:09,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:09 BoogieIcfgContainer [2019-11-28 16:52:09,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:52:09,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:52:09,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:52:09,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:52:09,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:51:49" (1/3) ... [2019-11-28 16:52:09,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a51cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:09, skipping insertion in model container [2019-11-28 16:52:09,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:49" (2/3) ... [2019-11-28 16:52:09,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a51cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:09, skipping insertion in model container [2019-11-28 16:52:09,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:09" (3/3) ... [2019-11-28 16:52:09,791 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2019-11-28 16:52:09,802 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:52:09,811 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:52:09,826 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:52:09,864 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:52:09,864 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:52:09,864 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:52:09,864 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:52:09,864 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:52:09,865 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:52:09,865 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:52:09,865 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:52:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-11-28 16:52:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:52:09,889 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:09,890 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:09,890 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:09,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:09,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2019-11-28 16:52:09,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:09,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788617889] [2019-11-28 16:52:09,908 INFO L94 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 [2019-11-28 16:52:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:10,975 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:52:10,979 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:10,994 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:10,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788617889] [2019-11-28 16:52:11,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:11,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:52:11,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827507635] [2019-11-28 16:52:11,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:52:11,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:11,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:52:11,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:52:11,023 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-11-28 16:52:11,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:11,054 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2019-11-28 16:52:11,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:52:11,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-28 16:52:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:11,069 INFO L225 Difference]: With dead ends: 219 [2019-11-28 16:52:11,069 INFO L226 Difference]: Without dead ends: 107 [2019-11-28 16:52:11,073 INFO L630 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 [2019-11-28 16:52:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-28 16:52:11,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-28 16:52:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-28 16:52:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2019-11-28 16:52:11,116 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2019-11-28 16:52:11,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:11,117 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2019-11-28 16:52:11,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:52:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2019-11-28 16:52:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 16:52:11,118 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:11,118 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:11,319 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:52:11,320 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:11,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:11,321 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2019-11-28 16:52:11,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:11,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341765520] [2019-11-28 16:52:11,323 INFO L94 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 [2019-11-28 16:52:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:12,375 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 16:52:12,378 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:12,635 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:12,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:12,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:13,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:13,165 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341765520] [2019-11-28 16:52:13,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:13,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-11-28 16:52:13,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220208723] [2019-11-28 16:52:13,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 16:52:13,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:13,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 16:52:13,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-28 16:52:13,172 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2019-11-28 16:52:14,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:14,345 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2019-11-28 16:52:14,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 16:52:14,350 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-11-28 16:52:14,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:14,351 INFO L225 Difference]: With dead ends: 114 [2019-11-28 16:52:14,351 INFO L226 Difference]: Without dead ends: 19 [2019-11-28 16:52:14,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-11-28 16:52:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-28 16:52:14,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-28 16:52:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 16:52:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-28 16:52:14,357 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2019-11-28 16:52:14,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:14,358 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-28 16:52:14,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 16:52:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-28 16:52:14,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 16:52:14,359 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:14,359 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:14,571 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:52:14,572 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:14,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:14,573 INFO L82 PathProgramCache]: Analyzing trace with hash -627671495, now seen corresponding path program 1 times [2019-11-28 16:52:14,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:14,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776364097] [2019-11-28 16:52:14,575 INFO L94 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 [2019-11-28 16:52:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:15,593 INFO L264 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:52:15,595 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:16,007 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:16,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776364097] [2019-11-28 16:52:16,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:16,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-28 16:52:16,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56094090] [2019-11-28 16:52:16,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 16:52:16,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:16,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 16:52:16,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:52:16,911 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2019-11-28 16:52:17,316 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2019-11-28 16:52:17,744 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2019-11-28 16:52:18,244 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2019-11-28 16:52:18,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:18,246 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-28 16:52:18,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:52:18,246 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-11-28 16:52:18,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:18,246 INFO L225 Difference]: With dead ends: 19 [2019-11-28 16:52:18,246 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:52:18,247 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-11-28 16:52:18,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:52:18,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:52:18,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:52:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:52:18,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-28 16:52:18,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:18,248 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:52:18,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 16:52:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:52:18,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:52:18,451 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:52:18,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:52:18,907 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-28 16:52:18,968 INFO L242 CegarLoopResult]: At program point L118(lines 118 213) the Hoare annotation is: (and (= (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)) (_ +zero 8 24)) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (fp.lt (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)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (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)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.lt (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___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)))) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2019-11-28 16:52:18,969 INFO L246 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:18,969 INFO L246 CegarLoopResult]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2019-11-28 16:52:18,969 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:18,969 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:18,970 INFO L246 CegarLoopResult]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2019-11-28 16:52:18,970 INFO L246 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:18,970 INFO L246 CegarLoopResult]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:18,970 INFO L246 CegarLoopResult]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2019-11-28 16:52:18,970 INFO L246 CegarLoopResult]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:18,970 INFO L246 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-11-28 16:52:18,970 INFO L246 CegarLoopResult]: For program point L168(lines 168 177) no Hoare annotation was computed. [2019-11-28 16:52:18,971 INFO L246 CegarLoopResult]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2019-11-28 16:52:18,971 INFO L246 CegarLoopResult]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2019-11-28 16:52:18,971 INFO L246 CegarLoopResult]: For program point L69(lines 69 94) no Hoare annotation was computed. [2019-11-28 16:52:18,971 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2019-11-28 16:52:18,971 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:52:18,971 INFO L246 CegarLoopResult]: For program point L185(lines 185 190) no Hoare annotation was computed. [2019-11-28 16:52:18,972 INFO L246 CegarLoopResult]: For program point L86(lines 86 92) no Hoare annotation was computed. [2019-11-28 16:52:18,972 INFO L246 CegarLoopResult]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2019-11-28 16:52:18,972 INFO L246 CegarLoopResult]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2019-11-28 16:52:18,972 INFO L246 CegarLoopResult]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2019-11-28 16:52:18,972 INFO L249 CegarLoopResult]: At program point L235(lines 215 236) the Hoare annotation is: true [2019-11-28 16:52:18,972 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-28 16:52:18,972 INFO L246 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-11-28 16:52:18,972 INFO L246 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-11-28 16:52:18,973 INFO L246 CegarLoopResult]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2019-11-28 16:52:18,973 INFO L246 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2019-11-28 16:52:18,973 INFO L246 CegarLoopResult]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2019-11-28 16:52:18,973 INFO L246 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-28 16:52:18,973 INFO L246 CegarLoopResult]: For program point L153-2(line 153) no Hoare annotation was computed. [2019-11-28 16:52:18,974 INFO L246 CegarLoopResult]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-11-28 16:52:18,974 INFO L246 CegarLoopResult]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2019-11-28 16:52:18,974 INFO L246 CegarLoopResult]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-11-28 16:52:18,974 INFO L246 CegarLoopResult]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2019-11-28 16:52:18,974 INFO L246 CegarLoopResult]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2019-11-28 16:52:18,975 INFO L242 CegarLoopResult]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2019-11-28 16:52:18,975 INFO L246 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-11-28 16:52:18,975 INFO L246 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-11-28 16:52:18,975 INFO L242 CegarLoopResult]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2019-11-28 16:52:18,975 INFO L246 CegarLoopResult]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2019-11-28 16:52:18,976 INFO L246 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-28 16:52:18,976 INFO L246 CegarLoopResult]: For program point L155(lines 155 179) no Hoare annotation was computed. [2019-11-28 16:52:18,976 INFO L246 CegarLoopResult]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2019-11-28 16:52:18,976 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2019-11-28 16:52:18,976 INFO L242 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2019-11-28 16:52:18,977 INFO L246 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2019-11-28 16:52:18,977 INFO L246 CegarLoopResult]: For program point L156(lines 156 178) no Hoare annotation was computed. [2019-11-28 16:52:18,977 INFO L242 CegarLoopResult]: At program point L24(lines 12 25) the Hoare annotation is: false [2019-11-28 16:52:18,977 INFO L242 CegarLoopResult]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2019-11-28 16:52:18,978 INFO L242 CegarLoopResult]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2019-11-28 16:52:18,978 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-28 16:52:18,978 INFO L246 CegarLoopResult]: For program point L140(lines 140 150) no Hoare annotation was computed. [2019-11-28 16:52:18,978 INFO L246 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-11-28 16:52:18,978 INFO L246 CegarLoopResult]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2019-11-28 16:52:18,979 INFO L246 CegarLoopResult]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2019-11-28 16:52:18,979 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:52:18,979 INFO L246 CegarLoopResult]: For program point L157(lines 157 166) no Hoare annotation was computed. [2019-11-28 16:52:18,979 INFO L246 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-11-28 16:52:18,979 INFO L246 CegarLoopResult]: For program point L224(lines 224 233) no Hoare annotation was computed. [2019-11-28 16:52:18,980 INFO L246 CegarLoopResult]: For program point L191(lines 191 212) no Hoare annotation was computed. [2019-11-28 16:52:18,980 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-11-28 16:52:18,980 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 233) no Hoare annotation was computed. [2019-11-28 16:52:18,980 INFO L246 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2019-11-28 16:52:18,980 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-28 16:52:18,981 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-28 16:52:18,981 INFO L246 CegarLoopResult]: For program point L142-2(line 142) no Hoare annotation was computed. [2019-11-28 16:52:18,981 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-28 16:52:18,981 INFO L246 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2019-11-28 16:52:18,981 INFO L246 CegarLoopResult]: For program point L77(lines 77 93) no Hoare annotation was computed. [2019-11-28 16:52:18,982 INFO L246 CegarLoopResult]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2019-11-28 16:52:18,982 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-28 16:52:18,982 INFO L246 CegarLoopResult]: For program point L61(lines 61 68) no Hoare annotation was computed. [2019-11-28 16:52:18,982 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:52:18,982 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2019-11-28 16:52:18,983 INFO L246 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2019-11-28 16:52:18,983 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-11-28 16:52:18,983 INFO L246 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2019-11-28 16:52:18,983 INFO L246 CegarLoopResult]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-11-28 16:52:18,983 INFO L242 CegarLoopResult]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2019-11-28 16:52:18,984 INFO L246 CegarLoopResult]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2019-11-28 16:52:18,984 INFO L246 CegarLoopResult]: For program point L111-4(line 111) no Hoare annotation was computed. [2019-11-28 16:52:18,984 INFO L246 CegarLoopResult]: For program point L111-6(line 111) no Hoare annotation was computed. [2019-11-28 16:52:18,984 INFO L242 CegarLoopResult]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2019-11-28 16:52:18,984 INFO L246 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2019-11-28 16:52:18,985 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-28 16:52:18,985 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: (and (= (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)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (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)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2019-11-28 16:52:18,985 INFO L246 CegarLoopResult]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-11-28 16:52:18,985 INFO L246 CegarLoopResult]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-11-28 16:52:18,986 INFO L246 CegarLoopResult]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2019-11-28 16:52:18,986 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 16:52:18,986 INFO L246 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2019-11-28 16:52:18,986 INFO L246 CegarLoopResult]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-11-28 16:52:18,986 INFO L242 CegarLoopResult]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2019-11-28 16:52:18,987 INFO L246 CegarLoopResult]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2019-11-28 16:52:18,987 INFO L242 CegarLoopResult]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2019-11-28 16:52:18,987 INFO L246 CegarLoopResult]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2019-11-28 16:52:18,987 INFO L246 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2019-11-28 16:52:18,987 INFO L242 CegarLoopResult]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2019-11-28 16:52:18,988 INFO L246 CegarLoopResult]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2019-11-28 16:52:18,988 INFO L242 CegarLoopResult]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2019-11-28 16:52:18,988 INFO L246 CegarLoopResult]: For program point L64(lines 64 67) no Hoare annotation was computed. [2019-11-28 16:52:18,988 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2019-11-28 16:52:18,988 INFO L246 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2019-11-28 16:52:18,989 INFO L246 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2019-11-28 16:52:18,989 INFO L246 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2019-11-28 16:52:18,989 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:52:18,989 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 230) no Hoare annotation was computed. [2019-11-28 16:52:18,989 INFO L246 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2019-11-28 16:52:18,990 INFO L246 CegarLoopResult]: For program point L182-2(line 182) no Hoare annotation was computed. [2019-11-28 16:52:18,990 INFO L246 CegarLoopResult]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-11-28 16:52:19,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,039 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:52:19 BoogieIcfgContainer [2019-11-28 16:52:19,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:52:19,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:52:19,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:52:19,070 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:52:19,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:09" (3/4) ... [2019-11-28 16:52:19,075 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:52:19,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-28 16:52:19,113 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-28 16:52:19,113 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:52:19,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && x == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~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]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-11-28 16:52:19,167 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && x == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~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]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~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()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-11-28 16:52:19,287 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:52:19,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:52:19,289 INFO L168 Benchmark]: Toolchain (without parser) took 29841.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 853.8 MB in the end (delta: 101.2 MB). Peak memory consumption was 242.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:19,290 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:52:19,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:19,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:52:19,291 INFO L168 Benchmark]: Boogie Preprocessor took 73.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:19,292 INFO L168 Benchmark]: RCFGBuilder took 19635.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:19,292 INFO L168 Benchmark]: TraceAbstraction took 9287.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 867.1 MB in the end (delta: 189.7 MB). Peak memory consumption was 189.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:19,293 INFO L168 Benchmark]: Witness Printer took 218.86 ms. Allocated memory is still 1.2 GB. Free memory was 867.1 MB in the beginning and 853.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:19,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 19635.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9287.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 867.1 MB in the end (delta: 189.7 MB). Peak memory consumption was 189.7 MB. Max. memory is 11.5 GB. * Witness Printer took 218.86 ms. Allocated memory is still 1.2 GB. Free memory was 867.1 MB in the beginning and 853.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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 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 * 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 - 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: 230]: 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: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant [2019-11-28 16:52:19,320 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,320 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,321 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,321 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && x == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~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]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant [2019-11-28 16:52:19,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:19,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && x == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~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]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~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()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2019-11-28 16:52:19,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:19,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:19,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Result: SAFE, OverallTime: 8.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 181 SDtfs, 123 SDslu, 68 SDs, 0 SdLazy, 45 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 179 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10849 SizeOfPredicates, 18 NumberOfNonLiveVariables, 293 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...