./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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_1130a.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 18318d2897bde0142dc4632253da5d46def4ecbb ............................................................................................................................................................................................................................................................................................... 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_1130a.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 18318d2897bde0142dc4632253da5d46def4ecbb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:55:05,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:55:05,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:55:05,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:55:05,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:55:05,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:55:05,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:55:05,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:55:05,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:55:05,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:55:05,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:55:05,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:55:05,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:55:05,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:55:05,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:55:05,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:55:05,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:55:05,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:55:05,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:55:05,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:55:05,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:55:05,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:55:05,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:55:05,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:55:05,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:55:05,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:55:05,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:55:05,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:55:05,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:55:05,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:55:05,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:55:05,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:55:05,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:55:05,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:55:05,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:55:05,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:55:05,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:55:05,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:55:05,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:55:05,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:55:05,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:55:05,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:55:05,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:55:05,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:55:05,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:55:05,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:55:05,397 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:55:05,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:55:05,398 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:55:05,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:55:05,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:55:05,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:55:05,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:55:05,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:55:05,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:55:05,400 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:55:05,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:55:05,400 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:55:05,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:55:05,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:55:05,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:55:05,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:55:05,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:55:05,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:55:05,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:55:05,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:55:05,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:55:05,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:55:05,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:55:05,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:55:05,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:55:05,404 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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-11-28 16:55:05,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:55:05,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:55:05,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:55:05,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:55:05,789 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:55:05,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-28 16:55:05,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33322961f/7c19c0a7a4004dbba32cd46818144b56/FLAG24d70a566 [2019-11-28 16:55:06,276 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:55:06,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-28 16:55:06,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33322961f/7c19c0a7a4004dbba32cd46818144b56/FLAG24d70a566 [2019-11-28 16:55:06,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33322961f/7c19c0a7a4004dbba32cd46818144b56 [2019-11-28 16:55:06,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:55:06,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:55:06,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:55:06,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:55:06,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:55:06,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:06" (1/1) ... [2019-11-28 16:55:06,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccbbb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:06, skipping insertion in model container [2019-11-28 16:55:06,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:06" (1/1) ... [2019-11-28 16:55:06,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:55:06,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:55:07,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:55:07,016 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:55:07,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:55:07,160 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:55:07,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07 WrapperNode [2019-11-28 16:55:07,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:55:07,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:55:07,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:55:07,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:55:07,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:55:07,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:55:07,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:55:07,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:55:07,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... [2019-11-28 16:55:07,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:55:07,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:55:07,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:55:07,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:55:07,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:55:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:55:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:55:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:55:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:55:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:55:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:55:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:55:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-28 16:55:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:55:07,839 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:55:07,840 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-28 16:55:07,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:07 BoogieIcfgContainer [2019-11-28 16:55:07,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:55:07,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:55:07,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:55:07,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:55:07,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:55:06" (1/3) ... [2019-11-28 16:55:07,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fc2bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:55:07, skipping insertion in model container [2019-11-28 16:55:07,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:07" (2/3) ... [2019-11-28 16:55:07,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fc2bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:55:07, skipping insertion in model container [2019-11-28 16:55:07,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:07" (3/3) ... [2019-11-28 16:55:07,849 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-11-28 16:55:07,857 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:55:07,863 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:55:07,874 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:55:07,900 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:55:07,900 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:55:07,900 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:55:07,900 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:55:07,901 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:55:07,901 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:55:07,901 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:55:07,901 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:55:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-11-28 16:55:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:55:07,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:07,925 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:07,926 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:07,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:07,932 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-11-28 16:55:07,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:55:07,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838487490] [2019-11-28 16:55:07,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:55:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:08,092 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 16:55:08,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838487490] [2019-11-28 16:55:08,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:08,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:55:08,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601410066] [2019-11-28 16:55:08,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:55:08,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:55:08,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:55:08,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:55:08,112 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-11-28 16:55:08,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:08,134 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-11-28 16:55:08,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:55:08,136 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-28 16:55:08,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:08,148 INFO L225 Difference]: With dead ends: 93 [2019-11-28 16:55:08,148 INFO L226 Difference]: Without dead ends: 44 [2019-11-28 16:55:08,152 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 16:55:08,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-28 16:55:08,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-28 16:55:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-28 16:55:08,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-11-28 16:55:08,192 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-11-28 16:55:08,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:08,193 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-11-28 16:55:08,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:55:08,193 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-11-28 16:55:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 16:55:08,194 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:08,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:08,194 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:08,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:08,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-11-28 16:55:08,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:55:08,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044751084] [2019-11-28 16:55:08,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:55:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:55:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:55:08,397 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:55:08,398 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:55:08,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:55:08 BoogieIcfgContainer [2019-11-28 16:55:08,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:55:08,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:55:08,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:55:08,458 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:55:08,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:07" (3/4) ... [2019-11-28 16:55:08,463 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:55:08,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:55:08,467 INFO L168 Benchmark]: Toolchain (without parser) took 1771.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -94.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,468 INFO L168 Benchmark]: CDTParser took 0.21 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 16:55:08,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.36 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 16:55:08,473 INFO L168 Benchmark]: Boogie Preprocessor took 72.00 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 16:55:08,474 INFO L168 Benchmark]: RCFGBuilder took 539.77 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,475 INFO L168 Benchmark]: TraceAbstraction took 614.83 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,476 INFO L168 Benchmark]: Witness Printer took 6.49 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 16:55:08,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 465.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.36 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 72.00 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 539.77 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 614.83 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.49 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L126] float x = 0.0f; [L127] float y = __VERIFIER_nondet_float(); [L129] COND TRUE (y < 0.0f || y > 0.0f) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={3:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L131] float res = fmod_float(x, y); [L134] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={3:0}] [L134] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L135] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 65 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=48occurred 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, 0.0s 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 16:55:10,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:55:10,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:55:10,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:55:10,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:55:10,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:55:10,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:55:10,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:55:10,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:55:10,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:55:10,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:55:10,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:55:10,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:55:10,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:55:10,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:55:10,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:55:10,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:55:10,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:55:10,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:55:10,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:55:10,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:55:10,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:55:10,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:55:10,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:55:10,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:55:10,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:55:10,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:55:10,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:55:10,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:55:10,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:55:10,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:55:10,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:55:10,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:55:10,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:55:10,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:55:10,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:55:10,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:55:10,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:55:10,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:55:10,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:55:10,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:55:10,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:55:10,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:55:10,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:55:10,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:55:10,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:55:10,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:55:10,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:55:10,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:55:10,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:55:10,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:55:10,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:55:10,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:55:10,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:55:10,709 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:55:10,709 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:55:10,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:55:10,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:55:10,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:55:10,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:55:10,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:55:10,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:55:10,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:55:10,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:55:10,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:55:10,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:55:10,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:55:10,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:55:10,714 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:55:10,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:55:10,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:55:10,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:55:10,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:55:10,716 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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-11-28 16:55:11,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:55:11,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:55:11,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:55:11,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:55:11,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:55:11,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-28 16:55:11,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9252408ba/6aa1c755a17e4799b9865a8b9058d733/FLAG39099d5df [2019-11-28 16:55:11,646 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:55:11,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-28 16:55:11,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9252408ba/6aa1c755a17e4799b9865a8b9058d733/FLAG39099d5df [2019-11-28 16:55:12,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9252408ba/6aa1c755a17e4799b9865a8b9058d733 [2019-11-28 16:55:12,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:55:12,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:55:12,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:55:12,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:55:12,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:55:12,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1798a1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12, skipping insertion in model container [2019-11-28 16:55:12,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:55:12,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:55:12,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:55:12,428 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:55:12,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:55:12,497 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:55:12,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12 WrapperNode [2019-11-28 16:55:12,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:55:12,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:55:12,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:55:12,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:55:12,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:55:12,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:55:12,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:55:12,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:55:12,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (1/1) ... [2019-11-28 16:55:12,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:55:12,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:55:12,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:55:12,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:55:12,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (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 16:55:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-28 16:55:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:55:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-28 16:55:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:55:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:55:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:55:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-28 16:55:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:55:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:55:14,420 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:55:14,420 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-28 16:55:14,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:14 BoogieIcfgContainer [2019-11-28 16:55:14,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:55:14,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:55:14,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:55:14,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:55:14,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:55:12" (1/3) ... [2019-11-28 16:55:14,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73059356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:55:14, skipping insertion in model container [2019-11-28 16:55:14,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:12" (2/3) ... [2019-11-28 16:55:14,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73059356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:55:14, skipping insertion in model container [2019-11-28 16:55:14,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:14" (3/3) ... [2019-11-28 16:55:14,429 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-11-28 16:55:14,444 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:55:14,454 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:55:14,466 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:55:14,494 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:55:14,494 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:55:14,494 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:55:14,494 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:55:14,495 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:55:14,495 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:55:14,495 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:55:14,495 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:55:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-11-28 16:55:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:55:14,523 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:14,524 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:14,524 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:14,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:14,531 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-11-28 16:55:14,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:14,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207625840] [2019-11-28 16:55:14,542 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 16:55:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:14,881 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:55:14,887 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:14,903 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 16:55:14,903 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:14,907 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 16:55:14,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207625840] [2019-11-28 16:55:14,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:14,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:55:14,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969758204] [2019-11-28 16:55:14,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:55:14,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:14,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:55:14,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:55:14,935 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-11-28 16:55:14,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:14,961 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-11-28 16:55:14,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:55:14,962 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-28 16:55:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:14,975 INFO L225 Difference]: With dead ends: 93 [2019-11-28 16:55:14,975 INFO L226 Difference]: Without dead ends: 44 [2019-11-28 16:55:14,979 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 16:55:14,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-28 16:55:15,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-28 16:55:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-28 16:55:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-11-28 16:55:15,015 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-11-28 16:55:15,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:15,016 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-11-28 16:55:15,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:55:15,016 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-11-28 16:55:15,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 16:55:15,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:15,017 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:15,232 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:55:15,232 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:15,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:15,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-11-28 16:55:15,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:15,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123079505] [2019-11-28 16:55:15,235 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 16:55:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:15,525 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 16:55:15,528 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:15,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:55:21,823 WARN L192 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2019-11-28 16:55:21,832 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 16:55:21,833 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:21,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 16:55:22,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 16:55:22,252 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-11-28 16:55:22,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 16:55:22,312 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 16:55:22,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123079505] [2019-11-28 16:55:22,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:22,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-28 16:55:22,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735858747] [2019-11-28 16:55:22,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 16:55:22,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:22,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 16:55:22,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-28 16:55:22,316 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2019-11-28 16:55:22,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:22,590 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2019-11-28 16:55:22,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 16:55:22,591 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-11-28 16:55:22,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:22,592 INFO L225 Difference]: With dead ends: 53 [2019-11-28 16:55:22,592 INFO L226 Difference]: Without dead ends: 19 [2019-11-28 16:55:22,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-28 16:55:22,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-28 16:55:22,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-28 16:55:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 16:55:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-28 16:55:22,599 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-11-28 16:55:22,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:22,599 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-28 16:55:22,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 16:55:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-28 16:55:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 16:55:22,600 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:22,600 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:22,815 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:55:22,816 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:22,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:22,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2019-11-28 16:55:22,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:22,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565565463] [2019-11-28 16:55:22,820 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 16:55:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:22,891 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:55:22,893 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:22,944 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:22,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:55:22,999 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 16:55:22,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565565463] [2019-11-28 16:55:22,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:23,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-28 16:55:23,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246399681] [2019-11-28 16:55:23,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 16:55:23,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:23,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 16:55:23,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 16:55:23,003 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2019-11-28 16:55:23,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:23,103 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-28 16:55:23,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:55:23,103 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-28 16:55:23,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:23,104 INFO L225 Difference]: With dead ends: 22 [2019-11-28 16:55:23,104 INFO L226 Difference]: Without dead ends: 19 [2019-11-28 16:55:23,105 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-28 16:55:23,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-28 16:55:23,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-28 16:55:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 16:55:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-28 16:55:23,109 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-11-28 16:55:23,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:23,109 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-28 16:55:23,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 16:55:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-28 16:55:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 16:55:23,110 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:23,111 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 16:55:23,322 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:55:23,323 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:23,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:23,324 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2019-11-28 16:55:23,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:23,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394311843] [2019-11-28 16:55:23,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 16:55:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:23,406 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 16:55:23,409 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:23,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:55:23,548 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 16:55:23,549 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:23,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:55:23,758 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 16:55:23,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394311843] [2019-11-28 16:55:23,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:23,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-11-28 16:55:23,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149399798] [2019-11-28 16:55:23,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-28 16:55:23,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:23,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-28 16:55:23,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-28 16:55:23,762 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2019-11-28 16:55:24,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:24,063 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-28 16:55:24,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 16:55:24,070 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2019-11-28 16:55:24,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:24,071 INFO L225 Difference]: With dead ends: 19 [2019-11-28 16:55:24,071 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:55:24,072 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-11-28 16:55:24,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:55:24,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:55:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:55:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:55:24,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-28 16:55:24,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:24,073 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:55:24,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-28 16:55:24,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:55:24,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:55:24,274 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 16:55:24,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:55:24,545 INFO L246 CegarLoopResult]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-11-28 16:55:24,546 INFO L246 CegarLoopResult]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2019-11-28 16:55:24,546 INFO L242 CegarLoopResult]: At program point L110-2(lines 110 114) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-11-28 16:55:24,546 INFO L246 CegarLoopResult]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2019-11-28 16:55:24,546 INFO L246 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2019-11-28 16:55:24,546 INFO L246 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-11-28 16:55:24,546 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:55:24,547 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:55:24,547 INFO L246 CegarLoopResult]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-11-28 16:55:24,547 INFO L246 CegarLoopResult]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-11-28 16:55:24,547 INFO L242 CegarLoopResult]: At program point L20-2(lines 20 24) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-11-28 16:55:24,548 INFO L246 CegarLoopResult]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-11-28 16:55:24,548 INFO L246 CegarLoopResult]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-11-28 16:55:24,548 INFO L242 CegarLoopResult]: At program point L104(lines 17 105) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-11-28 16:55:24,548 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-28 16:55:24,548 INFO L246 CegarLoopResult]: For program point L129(lines 129 138) no Hoare annotation was computed. [2019-11-28 16:55:24,548 INFO L246 CegarLoopResult]: For program point L129-2(lines 129 138) no Hoare annotation was computed. [2019-11-28 16:55:24,549 INFO L246 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-11-28 16:55:24,549 INFO L242 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-11-28 16:55:24,549 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-11-28 16:55:24,549 INFO L242 CegarLoopResult]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-11-28 16:55:24,549 INFO L246 CegarLoopResult]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-11-28 16:55:24,549 INFO L242 CegarLoopResult]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-11-28 16:55:24,549 INFO L246 CegarLoopResult]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-11-28 16:55:24,549 INFO L246 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-11-28 16:55:24,550 INFO L246 CegarLoopResult]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-11-28 16:55:24,551 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-11-28 16:55:24,551 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:55:24,551 INFO L246 CegarLoopResult]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-11-28 16:55:24,551 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2019-11-28 16:55:24,552 INFO L242 CegarLoopResult]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-11-28 16:55:24,552 INFO L246 CegarLoopResult]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-11-28 16:55:24,552 INFO L249 CegarLoopResult]: At program point L140(lines 119 141) the Hoare annotation is: true [2019-11-28 16:55:24,552 INFO L246 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-11-28 16:55:24,553 INFO L242 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-11-28 16:55:24,553 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:55:24,553 INFO L246 CegarLoopResult]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-11-28 16:55:24,553 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-11-28 16:55:24,553 INFO L246 CegarLoopResult]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-11-28 16:55:24,554 INFO L246 CegarLoopResult]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-11-28 16:55:24,554 INFO L242 CegarLoopResult]: At program point L116(lines 107 117) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-11-28 16:55:24,554 INFO L246 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-11-28 16:55:24,554 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-28 16:55:24,555 INFO L242 CegarLoopResult]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-11-28 16:55:24,555 INFO L246 CegarLoopResult]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-11-28 16:55:24,555 INFO L246 CegarLoopResult]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-11-28 16:55:24,555 INFO L246 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2019-11-28 16:55:24,556 INFO L246 CegarLoopResult]: For program point L134-2(lines 134 137) no Hoare annotation was computed. [2019-11-28 16:55:24,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:55:24 BoogieIcfgContainer [2019-11-28 16:55:24,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:55:24,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:55:24,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:55:24,590 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:55:24,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:14" (3/4) ... [2019-11-28 16:55:24,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:55:24,610 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-28 16:55:24,610 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 16:55:24,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:55:24,667 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:55:24,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:55:24,670 INFO L168 Benchmark]: Toolchain (without parser) took 12624.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 959.0 MB in the beginning and 847.9 MB in the end (delta: 111.1 MB). Peak memory consumption was 234.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:24,670 INFO L168 Benchmark]: CDTParser took 0.30 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 16:55:24,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:24,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.53 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 16:55:24,672 INFO L168 Benchmark]: Boogie Preprocessor took 70.45 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 16:55:24,673 INFO L168 Benchmark]: RCFGBuilder took 1797.61 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:24,674 INFO L168 Benchmark]: TraceAbstraction took 10166.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.9 MB in the end (delta: 220.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:24,674 INFO L168 Benchmark]: Witness Printer took 78.28 ms. Allocated memory is still 1.2 GB. Free memory is still 847.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:55:24,677 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 452.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.53 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 70.45 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 1797.61 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10166.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.9 MB in the end (delta: 220.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. * Witness Printer took 78.28 ms. Allocated memory is still 1.2 GB. Free memory is still 847.9 MB. There was no memory consumed. 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[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: 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: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2019-11-28 16:55:24,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 17]: Loop Invariant [2019-11-28 16:55:24,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 107]: Loop Invariant [2019-11-28 16:55:24,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-28 16:55:24,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: SAFE, OverallTime: 9.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 99 SDtfs, 162 SDslu, 103 SDs, 0 SdLazy, 69 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 173 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...