./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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/double_req_bl_0270b.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 2ba43eb3953387ed7e9e073c4829343982ceaa96 ............................................................................................................................................................................................................................................................................................................. 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/double_req_bl_0270b.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 2ba43eb3953387ed7e9e073c4829343982ceaa96 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:40:14,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:40:14,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:40:14,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:40:14,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:40:14,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:40:14,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:40:14,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:40:14,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:40:14,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:40:14,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:40:14,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:40:14,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:40:14,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:40:14,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:40:14,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:40:14,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:40:14,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:40:14,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:40:14,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:40:14,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:40:14,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:40:14,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:40:14,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:40:14,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:40:14,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:40:14,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:40:14,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:40:14,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:40:14,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:40:14,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:40:14,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:40:14,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:40:14,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:40:14,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:40:14,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:40:14,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:40:14,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:40:14,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:40:14,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:40:14,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:40:14,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:40:14,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:40:14,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:40:14,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:40:14,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:40:14,688 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:40:14,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:40:14,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:40:14,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:40:14,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:40:14,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:40:14,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:40:14,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:40:14,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:40:14,691 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:40:14,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:40:14,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:40:14,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:40:14,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:40:14,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:40:14,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:40:14,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:40:14,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:40:14,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:40:14,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:40:14,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:40:14,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:40:14,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:40:14,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:40:14,695 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 -> 2ba43eb3953387ed7e9e073c4829343982ceaa96 [2019-11-27 23:40:15,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:40:15,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:40:15,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:40:15,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:40:15,032 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:40:15,032 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2019-11-27 23:40:15,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e973de70c/4db330f9cd774860ac2c8b689a744824/FLAGabfa59845 [2019-11-27 23:40:15,655 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:40:15,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2019-11-27 23:40:15,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e973de70c/4db330f9cd774860ac2c8b689a744824/FLAGabfa59845 [2019-11-27 23:40:15,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e973de70c/4db330f9cd774860ac2c8b689a744824 [2019-11-27 23:40:15,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:40:15,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:40:15,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:15,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:40:15,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:40:15,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:15" (1/1) ... [2019-11-27 23:40:15,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15593e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:15, skipping insertion in model container [2019-11-27 23:40:15,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:15" (1/1) ... [2019-11-27 23:40:15,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:40:16,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:40:16,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:40:16,389 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:40:16,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:40:16,480 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:40:16,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16 WrapperNode [2019-11-27 23:40:16,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:16,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:40:16,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:40:16,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:40:16,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:40:16,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:40:16,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:40:16,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:40:16,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (1/1) ... [2019-11-27 23:40:16,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:40:16,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:40:16,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:40:16,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:40:16,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (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 [2019-11-27 23:40:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:40:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:40:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:40:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:40:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:40:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:40:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:40:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:40:17,444 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:40:17,445 INFO L297 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-27 23:40:17,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:17 BoogieIcfgContainer [2019-11-27 23:40:17,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:40:17,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:40:17,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:40:17,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:40:17,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:40:15" (1/3) ... [2019-11-27 23:40:17,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a97b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:40:17, skipping insertion in model container [2019-11-27 23:40:17,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:16" (2/3) ... [2019-11-27 23:40:17,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a97b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:40:17, skipping insertion in model container [2019-11-27 23:40:17,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:17" (3/3) ... [2019-11-27 23:40:17,459 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2019-11-27 23:40:17,486 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:40:17,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:40:17,516 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:40:17,547 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:40:17,547 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:40:17,548 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:40:17,548 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:40:17,549 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:40:17,549 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:40:17,549 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:40:17,549 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:40:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-27 23:40:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:40:17,576 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:40:17,577 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:40:17,577 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:40:17,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:40:17,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-11-27 23:40:17,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:40:17,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583278658] [2019-11-27 23:40:17,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:40:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:40:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:17,727 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583278658] [2019-11-27 23:40:17,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:40:17,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:40:17,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700297066] [2019-11-27 23:40:17,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:40:17,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:40:17,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:40:17,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:40:17,754 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-27 23:40:17,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:40:17,787 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-11-27 23:40:17,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:40:17,789 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-27 23:40:17,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:40:17,803 INFO L225 Difference]: With dead ends: 140 [2019-11-27 23:40:17,804 INFO L226 Difference]: Without dead ends: 68 [2019-11-27 23:40:17,808 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 [2019-11-27 23:40:17,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-27 23:40:17,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-27 23:40:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-27 23:40:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-11-27 23:40:17,863 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-11-27 23:40:17,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:40:17,865 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-11-27 23:40:17,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:40:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-27 23:40:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:40:17,866 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:40:17,866 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:40:17,867 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:40:17,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:40:17,868 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-11-27 23:40:17,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:40:17,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549045722] [2019-11-27 23:40:17,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:40:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:40:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:40:18,019 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:40:18,019 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:40:18,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:40:18 BoogieIcfgContainer [2019-11-27 23:40:18,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:40:18,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:40:18,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:40:18,058 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:40:18,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:17" (3/4) ... [2019-11-27 23:40:18,063 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:40:18,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:40:18,066 INFO L168 Benchmark]: Toolchain (without parser) took 2097.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -72.3 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:18,067 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-27 23:40:18,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:18,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.51 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:18,069 INFO L168 Benchmark]: Boogie Preprocessor took 51.96 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. [2019-11-27 23:40:18,070 INFO L168 Benchmark]: RCFGBuilder took 843.63 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:18,071 INFO L168 Benchmark]: TraceAbstraction took 609.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:18,072 INFO L168 Benchmark]: Witness Printer took 5.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:40:18,076 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 512.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.51 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.96 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 843.63 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 609.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 240]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 235, overapproximation of bitwiseAnd at line 166, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 239. Possible FailurePath: [L16] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L156] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L235] double x = -0.0; [L159] double t, w, p, q, c, r, s; [L160] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L162] ieee_double_shape_type gh_u; [L163] gh_u.value = (x) [L164] EXPR gh_u.parts.msw [L164] (hx) = gh_u.parts.msw [L166] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L178] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L179] COND FALSE !(ix < 0x3e400000) [L183] t = x * x [L184-L187] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L188-L189] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L190] w = p / q [L191] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] double res = __ieee754_asin(x); [L239] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 97 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=71occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.1.24-30f4e4a [2019-11-27 23:40:20,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:40:20,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:40:20,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:40:20,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:40:20,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:40:20,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:40:20,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:40:20,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:40:20,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:40:20,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:40:20,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:40:20,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:40:20,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:40:20,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:40:20,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:40:20,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:40:20,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:40:20,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:40:20,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:40:20,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:40:20,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:40:20,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:40:20,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:40:20,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:40:20,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:40:20,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:40:20,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:40:20,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:40:20,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:40:20,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:40:20,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:40:20,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:40:20,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:40:20,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:40:20,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:40:20,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:40:20,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:40:20,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:40:20,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:40:20,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:40:20,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:40:20,193 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:40:20,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:40:20,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:40:20,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:40:20,198 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:40:20,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:40:20,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:40:20,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:40:20,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:40:20,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:40:20,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:40:20,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:40:20,202 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:40:20,202 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:40:20,203 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:40:20,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:40:20,203 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:40:20,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:40:20,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:40:20,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:40:20,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:40:20,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:40:20,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:40:20,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:40:20,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:40:20,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:40:20,206 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:40:20,207 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:40:20,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:40:20,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:40:20,207 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 -> 2ba43eb3953387ed7e9e073c4829343982ceaa96 [2019-11-27 23:40:20,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:40:20,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:40:20,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:40:20,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:40:20,546 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:40:20,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2019-11-27 23:40:20,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9864660/8873506052324aba9b90b935971d9861/FLAGb6420ef9a [2019-11-27 23:40:21,102 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:40:21,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2019-11-27 23:40:21,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9864660/8873506052324aba9b90b935971d9861/FLAGb6420ef9a [2019-11-27 23:40:21,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9864660/8873506052324aba9b90b935971d9861 [2019-11-27 23:40:21,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:40:21,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:40:21,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:21,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:40:21,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:40:21,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:21,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6373eea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21, skipping insertion in model container [2019-11-27 23:40:21,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:21,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:40:21,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:40:21,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:40:21,831 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:40:21,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:40:21,964 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:40:21,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21 WrapperNode [2019-11-27 23:40:21,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:21,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:40:21,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:40:21,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:40:21,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:40:22,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:40:22,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:40:22,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:40:22,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (1/1) ... [2019-11-27 23:40:22,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:40:22,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:40:22,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:40:22,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:40:22,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (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 [2019-11-27 23:40:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-27 23:40:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-27 23:40:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:40:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:40:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:40:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:40:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:40:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:40:41,619 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:40:41,619 INFO L297 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-27 23:40:41,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:41 BoogieIcfgContainer [2019-11-27 23:40:41,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:40:41,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:40:41,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:40:41,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:40:41,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:40:21" (1/3) ... [2019-11-27 23:40:41,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a35485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:40:41, skipping insertion in model container [2019-11-27 23:40:41,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:21" (2/3) ... [2019-11-27 23:40:41,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a35485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:40:41, skipping insertion in model container [2019-11-27 23:40:41,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:41" (3/3) ... [2019-11-27 23:40:41,629 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2019-11-27 23:40:41,639 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:40:41,647 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:40:41,656 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:40:41,680 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:40:41,680 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:40:41,680 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:40:41,680 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:40:41,681 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:40:41,681 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:40:41,681 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:40:41,681 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:40:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-27 23:40:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:40:41,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:40:41,703 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:40:41,703 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:40:41,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:40:41,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-11-27 23:40:41,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:40:41,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073321401] [2019-11-27 23:40:41,718 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 [2019-11-27 23:40:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:40:42,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:40:42,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:40:42,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:42,421 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:40:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:42,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073321401] [2019-11-27 23:40:42,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:40:42,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:40:42,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305579318] [2019-11-27 23:40:42,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:40:42,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:40:42,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:40:42,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:40:42,456 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-27 23:40:42,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:40:42,485 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-11-27 23:40:42,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:40:42,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-27 23:40:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:40:42,504 INFO L225 Difference]: With dead ends: 140 [2019-11-27 23:40:42,505 INFO L226 Difference]: Without dead ends: 68 [2019-11-27 23:40:42,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:40:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-27 23:40:42,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-27 23:40:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-27 23:40:42,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-11-27 23:40:42,560 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-11-27 23:40:42,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:40:42,560 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-11-27 23:40:42,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:40:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-27 23:40:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:40:42,562 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:40:42,562 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:40:42,776 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:40:42,777 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:40:42,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:40:42,778 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-11-27 23:40:42,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:40:42,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640598058] [2019-11-27 23:40:42,781 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 [2019-11-27 23:40:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:40:47,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:40:47,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:40:47,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:47,255 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:40:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:47,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640598058] [2019-11-27 23:40:47,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:40:47,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:40:47,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213671070] [2019-11-27 23:40:47,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:40:47,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:40:47,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:40:47,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:40:47,343 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2019-11-27 23:40:48,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:40:48,941 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2019-11-27 23:40:48,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:40:48,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-27 23:40:48,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:40:48,945 INFO L225 Difference]: With dead ends: 124 [2019-11-27 23:40:48,947 INFO L226 Difference]: Without dead ends: 65 [2019-11-27 23:40:48,948 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:40:48,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-27 23:40:48,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-27 23:40:48,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-27 23:40:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2019-11-27 23:40:48,976 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2019-11-27 23:40:48,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:40:48,978 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2019-11-27 23:40:48,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:40:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2019-11-27 23:40:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:40:48,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:40:48,983 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:40:49,185 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:40:49,186 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:40:49,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:40:49,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2019-11-27 23:40:49,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:40:49,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129999013] [2019-11-27 23:40:49,188 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 [2019-11-27 23:40:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:40:49,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-27 23:40:49,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:40:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:49,551 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:40:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:49,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129999013] [2019-11-27 23:40:49,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:40:49,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:40:49,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735251151] [2019-11-27 23:40:49,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:40:49,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:40:49,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:40:49,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:40:49,631 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2019-11-27 23:40:50,043 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-11-27 23:40:50,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:40:50,072 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2019-11-27 23:40:50,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:40:50,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-27 23:40:50,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:40:50,075 INFO L225 Difference]: With dead ends: 69 [2019-11-27 23:40:50,075 INFO L226 Difference]: Without dead ends: 65 [2019-11-27 23:40:50,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:40:50,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-27 23:40:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-27 23:40:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-27 23:40:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2019-11-27 23:40:50,086 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2019-11-27 23:40:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:40:50,086 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2019-11-27 23:40:50,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:40:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2019-11-27 23:40:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-27 23:40:50,088 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:40:50,088 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:40:50,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:40:50,293 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:40:50,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:40:50,294 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2019-11-27 23:40:50,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:40:50,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946508948] [2019-11-27 23:40:50,295 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 [2019-11-27 23:40:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:40:56,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 23:40:56,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:40:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:56,617 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:40:57,615 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-27 23:40:57,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:57,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946508948] [2019-11-27 23:40:57,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:40:57,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-27 23:40:57,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344804597] [2019-11-27 23:40:57,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 23:40:57,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:40:57,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 23:40:57,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:40:57,919 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2019-11-27 23:40:58,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:40:58,302 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2019-11-27 23:40:58,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:40:58,304 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-27 23:40:58,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:40:58,304 INFO L225 Difference]: With dead ends: 65 [2019-11-27 23:40:58,304 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:40:58,305 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:40:58,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:40:58,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:40:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:40:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:40:58,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-11-27 23:40:58,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:40:58,306 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:40:58,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 23:40:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:40:58,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:40:58,507 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-27 23:40:58,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:40:58,797 INFO L246 CegarLoopResult]: For program point L85(lines 85 86) no Hoare annotation was computed. [2019-11-27 23:40:58,797 INFO L246 CegarLoopResult]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2019-11-27 23:40:58,797 INFO L246 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2019-11-27 23:40:58,797 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2019-11-27 23:40:58,797 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:40:58,798 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 173) no Hoare annotation was computed. [2019-11-27 23:40:58,798 INFO L242 CegarLoopResult]: At program point L169-2(lines 169 173) the Hoare annotation is: false [2019-11-27 23:40:58,799 INFO L246 CegarLoopResult]: For program point L169-3(lines 167 178) no Hoare annotation was computed. [2019-11-27 23:40:58,799 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-11-27 23:40:58,799 INFO L246 CegarLoopResult]: For program point L104(lines 104 109) no Hoare annotation was computed. [2019-11-27 23:40:58,799 INFO L246 CegarLoopResult]: For program point L88(lines 88 89) no Hoare annotation was computed. [2019-11-27 23:40:58,800 INFO L246 CegarLoopResult]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2019-11-27 23:40:58,801 INFO L246 CegarLoopResult]: For program point L204(lines 204 220) no Hoare annotation was computed. [2019-11-27 23:40:58,801 INFO L246 CegarLoopResult]: For program point L204-2(lines 158 225) no Hoare annotation was computed. [2019-11-27 23:40:58,801 INFO L246 CegarLoopResult]: For program point L105(lines 105 106) no Hoare annotation was computed. [2019-11-27 23:40:58,801 INFO L246 CegarLoopResult]: For program point L105-2(lines 105 106) no Hoare annotation was computed. [2019-11-27 23:40:58,801 INFO L246 CegarLoopResult]: For program point L56(lines 56 59) no Hoare annotation was computed. [2019-11-27 23:40:58,802 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2019-11-27 23:40:58,802 INFO L242 CegarLoopResult]: At program point L139(lines 126 140) the Hoare annotation is: false [2019-11-27 23:40:58,802 INFO L242 CegarLoopResult]: At program point L123(lines 18 124) the Hoare annotation is: false [2019-11-27 23:40:58,802 INFO L246 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2019-11-27 23:40:58,803 INFO L242 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: false [2019-11-27 23:40:58,803 INFO L246 CegarLoopResult]: For program point L24-3(lines 18 124) no Hoare annotation was computed. [2019-11-27 23:40:58,803 INFO L246 CegarLoopResult]: For program point L239(lines 239 242) no Hoare annotation was computed. [2019-11-27 23:40:58,803 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:40:58,804 INFO L246 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2019-11-27 23:40:58,804 INFO L246 CegarLoopResult]: For program point L42(lines 42 53) no Hoare annotation was computed. [2019-11-27 23:40:58,804 INFO L246 CegarLoopResult]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2019-11-27 23:40:58,804 INFO L242 CegarLoopResult]: At program point L224(lines 158 225) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___ieee754_asin_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3))))) (= ULTIMATE.start_main_~x~0 |ULTIMATE.start___ieee754_asin_#res|) (= ULTIMATE.start___ieee754_asin_~x .cse0) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))))) (= ULTIMATE.start_main_~x~0 .cse0))) [2019-11-27 23:40:58,805 INFO L242 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: false [2019-11-27 23:40:58,805 INFO L246 CegarLoopResult]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2019-11-27 23:40:58,805 INFO L246 CegarLoopResult]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2019-11-27 23:40:58,805 INFO L242 CegarLoopResult]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2019-11-27 23:40:58,806 INFO L246 CegarLoopResult]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2019-11-27 23:40:58,807 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:40:58,811 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-11-27 23:40:58,812 INFO L242 CegarLoopResult]: At program point L161-2(lines 161 165) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= ULTIMATE.start___ieee754_asin_~x .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 .cse0))) [2019-11-27 23:40:58,812 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-27 23:40:58,813 INFO L246 CegarLoopResult]: For program point L161-3(lines 161 165) no Hoare annotation was computed. [2019-11-27 23:40:58,813 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: false [2019-11-27 23:40:58,813 INFO L249 CegarLoopResult]: At program point L244(lines 227 245) the Hoare annotation is: true [2019-11-27 23:40:58,813 INFO L246 CegarLoopResult]: For program point L178(lines 178 193) no Hoare annotation was computed. [2019-11-27 23:40:58,814 INFO L246 CegarLoopResult]: For program point L178-1(lines 178 193) no Hoare annotation was computed. [2019-11-27 23:40:58,814 INFO L246 CegarLoopResult]: For program point L179(lines 179 192) no Hoare annotation was computed. [2019-11-27 23:40:58,814 INFO L242 CegarLoopResult]: At program point L80-2(lines 80 96) the Hoare annotation is: false [2019-11-27 23:40:58,815 INFO L246 CegarLoopResult]: For program point L80-3(lines 18 124) no Hoare annotation was computed. [2019-11-27 23:40:58,815 INFO L246 CegarLoopResult]: For program point L97(lines 97 111) no Hoare annotation was computed. [2019-11-27 23:40:58,815 INFO L246 CegarLoopResult]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-11-27 23:40:58,816 INFO L246 CegarLoopResult]: For program point L114(lines 114 115) no Hoare annotation was computed. [2019-11-27 23:40:58,816 INFO L246 CegarLoopResult]: For program point L114-2(lines 114 115) no Hoare annotation was computed. [2019-11-27 23:40:58,816 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-27 23:40:58,816 INFO L242 CegarLoopResult]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-27 23:40:58,817 INFO L246 CegarLoopResult]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-27 23:40:58,817 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:40:58,817 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2019-11-27 23:40:58,818 INFO L246 CegarLoopResult]: For program point L99(lines 99 110) no Hoare annotation was computed. [2019-11-27 23:40:58,818 INFO L246 CegarLoopResult]: For program point L83(lines 83 92) no Hoare annotation was computed. [2019-11-27 23:40:58,818 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2019-11-27 23:40:58,818 INFO L246 CegarLoopResult]: For program point L133(lines 133 138) no Hoare annotation was computed. [2019-11-27 23:40:58,829 INFO L246 CegarLoopResult]: For program point L133-1(lines 126 140) no Hoare annotation was computed. [2019-11-27 23:40:58,829 INFO L246 CegarLoopResult]: For program point L133-2(lines 133 138) no Hoare annotation was computed. [2019-11-27 23:40:58,829 INFO L246 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2019-11-27 23:40:58,830 INFO L242 CegarLoopResult]: At program point L67-2(lines 67 77) the Hoare annotation is: false [2019-11-27 23:40:58,830 INFO L246 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2019-11-27 23:40:58,831 INFO L246 CegarLoopResult]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2019-11-27 23:40:58,832 INFO L246 CegarLoopResult]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2019-11-27 23:40:58,832 INFO L242 CegarLoopResult]: At program point L117-2(lines 117 122) the Hoare annotation is: false [2019-11-27 23:40:58,832 INFO L246 CegarLoopResult]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2019-11-27 23:40:58,832 INFO L246 CegarLoopResult]: For program point L167(lines 167 193) no Hoare annotation was computed. [2019-11-27 23:40:58,833 INFO L246 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-11-27 23:40:58,833 INFO L246 CegarLoopResult]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-27 23:40:58,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:40:58,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:58,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:58,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:58,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:40:58,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:58,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:58,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:58,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:58,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:40:58 BoogieIcfgContainer [2019-11-27 23:40:58,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:40:58,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:40:58,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:40:58,880 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:40:58,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:41" (3/4) ... [2019-11-27 23:40:58,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:40:58,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-27 23:40:58,916 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-27 23:40:58,917 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:40:58,958 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && x == \result) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-11-27 23:40:59,040 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:40:59,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:40:59,043 INFO L168 Benchmark]: Toolchain (without parser) took 37591.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 961.7 MB in the beginning and 903.6 MB in the end (delta: 58.1 MB). Peak memory consumption was 189.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:59,043 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-27 23:40:59,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:59,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.39 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:59,045 INFO L168 Benchmark]: Boogie Preprocessor took 54.48 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:59,045 INFO L168 Benchmark]: RCFGBuilder took 19492.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:59,046 INFO L168 Benchmark]: TraceAbstraction took 17257.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.3 MB in the end (delta: 155.4 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:59,046 INFO L168 Benchmark]: Witness Printer took 161.43 ms. Allocated memory is still 1.2 GB. Free memory was 910.3 MB in the beginning and 903.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:59,049 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 512.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.39 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.48 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 19492.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17257.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.3 MB in the end (delta: 155.4 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. * Witness Printer took 161.43 ms. Allocated memory is still 1.2 GB. Free memory was 910.3 MB in the beginning and 903.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 240]: 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: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant [2019-11-27 23:40:59,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:40:59,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:59,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:59,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:59,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:40:59,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:59,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:40:59,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 158]: Loop Invariant [2019-11-27 23:40:59,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-27 23:40:59,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && x == \result) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: SAFE, OverallTime: 16.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 258 SDtfs, 565 SDslu, 238 SDs, 0 SdLazy, 42 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 80 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 8774 SizeOfPredicates, 17 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 22 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...