./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85aaf303180fb147289175deaade998fcb26e6b2 ........................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85aaf303180fb147289175deaade998fcb26e6b2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:17:58,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:17:58,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:17:58,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:17:58,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:17:58,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:17:58,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:17:58,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:17:58,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:17:58,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:17:58,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:17:58,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:17:58,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:17:58,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:17:58,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:17:58,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:17:58,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:17:58,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:17:58,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:17:58,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:17:58,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:17:58,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:17:58,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:17:58,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:17:58,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:17:58,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:17:58,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:17:58,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:17:58,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:17:58,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:17:58,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:17:58,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:17:58,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:17:58,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:17:58,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:17:58,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:17:58,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:17:58,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:17:58,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:17:58,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:17:58,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:17:58,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:17:58,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:17:58,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:17:58,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:17:58,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:17:58,721 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:17:58,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:17:58,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:17:58,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:17:58,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:17:58,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:17:58,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:17:58,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:17:58,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:17:58,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:17:58,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:17:58,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:17:58,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:17:58,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:17:58,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:17:58,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:17:58,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:17:58,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:17:58,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:17:58,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:17:58,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:17:58,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:17:58,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:17:58,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:17:58,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:17:58,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85aaf303180fb147289175deaade998fcb26e6b2 [2020-10-24 23:17:59,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:17:59,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:17:59,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:17:59,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:17:59,149 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:17:59,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2020-10-24 23:17:59,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dac18428/566fdc3067fd40278a6fc1d29bb76661/FLAG386f5d3cf [2020-10-24 23:17:59,931 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:17:59,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2020-10-24 23:17:59,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dac18428/566fdc3067fd40278a6fc1d29bb76661/FLAG386f5d3cf [2020-10-24 23:18:00,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dac18428/566fdc3067fd40278a6fc1d29bb76661 [2020-10-24 23:18:00,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:18:00,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:18:00,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:18:00,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:18:00,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:18:00,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c6d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00, skipping insertion in model container [2020-10-24 23:18:00,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:18:00,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:18:00,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:18:00,610 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:18:00,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:18:00,696 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:18:00,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00 WrapperNode [2020-10-24 23:18:00,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:18:00,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:18:00,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:18:00,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:18:00,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:18:00,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:18:00,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:18:00,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:18:00,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... [2020-10-24 23:18:00,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:18:00,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:18:00,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:18:00,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:18:00,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:18:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:18:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:18:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:18:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:18:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:18:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:18:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:18:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:18:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:18:01,553 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:18:01,554 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-24 23:18:01,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:01 BoogieIcfgContainer [2020-10-24 23:18:01,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:18:01,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:18:01,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:18:01,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:18:01,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:18:00" (1/3) ... [2020-10-24 23:18:01,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a18af8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:18:01, skipping insertion in model container [2020-10-24 23:18:01,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:00" (2/3) ... [2020-10-24 23:18:01,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a18af8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:18:01, skipping insertion in model container [2020-10-24 23:18:01,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:01" (3/3) ... [2020-10-24 23:18:01,581 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2020-10-24 23:18:01,595 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:18:01,600 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:18:01,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:18:01,665 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:18:01,666 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:18:01,666 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:18:01,666 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:18:01,667 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:18:01,667 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:18:01,667 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:18:01,667 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:18:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-10-24 23:18:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:18:01,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:18:01,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:18:01,698 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:18:01,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:18:01,707 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2020-10-24 23:18:01,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:18:01,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597584935] [2020-10-24 23:18:01,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:18:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:18:01,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:18:01,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597584935] [2020-10-24 23:18:01,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:18:01,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:18:01,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111452334] [2020-10-24 23:18:01,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:18:01,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:18:01,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:18:01,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:18:01,962 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-10-24 23:18:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:18:01,999 INFO L93 Difference]: Finished difference Result 114 states and 183 transitions. [2020-10-24 23:18:02,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:18:02,002 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:18:02,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:18:02,029 INFO L225 Difference]: With dead ends: 114 [2020-10-24 23:18:02,029 INFO L226 Difference]: Without dead ends: 54 [2020-10-24 23:18:02,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:18:02,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-24 23:18:02,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-24 23:18:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-24 23:18:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2020-10-24 23:18:02,091 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2020-10-24 23:18:02,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:18:02,104 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2020-10-24 23:18:02,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:18:02,105 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2020-10-24 23:18:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:18:02,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:18:02,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:18:02,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:18:02,107 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:18:02,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:18:02,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2020-10-24 23:18:02,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:18:02,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971855168] [2020-10-24 23:18:02,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:18:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:18:02,214 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:18:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:18:02,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:18:02,344 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:18:02,345 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:18:02,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:18:02,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:18:02 BoogieIcfgContainer [2020-10-24 23:18:02,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:18:02,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:18:02,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:18:02,423 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:18:02,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:01" (3/4) ... [2020-10-24 23:18:02,428 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:18:02,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:18:02,433 INFO L168 Benchmark]: Toolchain (without parser) took 2161.69 ms. Allocated memory was 46.1 MB in the beginning and 75.5 MB in the end (delta: 29.4 MB). Free memory was 23.0 MB in the beginning and 49.3 MB in the end (delta: -26.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:02,434 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory was 25.7 MB in the beginning and 25.7 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:18:02,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.99 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.3 MB in the beginning and 28.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:02,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.80 ms. Allocated memory is still 56.6 MB. Free memory was 28.6 MB in the beginning and 26.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:02,438 INFO L168 Benchmark]: Boogie Preprocessor took 64.02 ms. Allocated memory is still 56.6 MB. Free memory was 26.2 MB in the beginning and 39.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:02,440 INFO L168 Benchmark]: RCFGBuilder took 733.50 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 24.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:02,442 INFO L168 Benchmark]: TraceAbstraction took 848.75 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 38.8 MB in the beginning and 49.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:02,444 INFO L168 Benchmark]: Witness Printer took 5.94 ms. Allocated memory is still 75.5 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:18:02,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory was 25.7 MB in the beginning and 25.7 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.99 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.3 MB in the beginning and 28.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.80 ms. Allocated memory is still 56.6 MB. Free memory was 28.6 MB in the beginning and 26.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.02 ms. Allocated memory is still 56.6 MB. Free memory was 26.2 MB in the beginning and 39.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 733.50 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 24.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 848.75 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 38.8 MB in the beginning and 49.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.94 ms. Allocated memory is still 75.5 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 104, overapproximation of bitwiseAnd at line 118, overapproximation of someUnaryFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 121. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L100-L108] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L186] float x = __VERIFIER_nondet_float(); [L188] COND TRUE x < -1.0f || x > 1.0f [L111] float t, w, p, q, c, r, s; [L112] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L114] ieee_float_shape_type gf_u; [L115] gf_u.value = (x) [L116] EXPR gf_u.word [L116] (hx) = gf_u.word [L118] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L119] COND TRUE ix == 0x3f800000 [L121] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L190] float res = __ieee754_asinf(x); [L15] return x != x; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0281.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 76 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=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:18:04,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:18:04,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:18:04,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 23:18:05,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:18:05,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:18:05,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:18:05,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:18:05,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:18:05,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:18:05,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:18:05,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:18:05,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:18:05,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:18:05,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:18:05,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:18:05,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 23:18:05,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:18:05,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:18:05,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:18:05,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:18:05,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:18:05,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:18:05,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:18:05,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:18:05,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:18:05,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:18:05,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:18:05,046 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:18:05,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:18:05,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:18:05,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:18:05,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:18:05,084 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:18:05,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:18:05,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:18:05,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:18:05,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:18:05,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:18:05,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:18:05,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:18:05,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:18:05,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:18:05,087 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:18:05,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:18:05,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:18:05,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:18:05,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:18:05,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:18:05,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:18:05,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:18:05,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:18:05,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:18:05,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:18:05,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:18:05,090 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:18:05,091 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:18:05,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:18:05,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:18:05,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:18:05,092 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85aaf303180fb147289175deaade998fcb26e6b2 [2020-10-24 23:18:05,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:18:05,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:18:05,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:18:05,501 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:18:05,502 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:18:05,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2020-10-24 23:18:05,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4bb62fb/53fea8c52a9d4aff9a07c7fd89217e13/FLAG5454cff57 [2020-10-24 23:18:06,313 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:18:06,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2020-10-24 23:18:06,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4bb62fb/53fea8c52a9d4aff9a07c7fd89217e13/FLAG5454cff57 [2020-10-24 23:18:06,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4bb62fb/53fea8c52a9d4aff9a07c7fd89217e13 [2020-10-24 23:18:06,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:18:06,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:18:06,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:18:06,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:18:06,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:18:06,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:06" (1/1) ... [2020-10-24 23:18:06,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c59a18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:06, skipping insertion in model container [2020-10-24 23:18:06,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:06" (1/1) ... [2020-10-24 23:18:06,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:18:06,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:18:06,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:18:06,946 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:18:07,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:18:07,040 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:18:07,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07 WrapperNode [2020-10-24 23:18:07,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:18:07,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:18:07,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:18:07,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:18:07,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:18:07,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:18:07,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:18:07,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:18:07,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... [2020-10-24 23:18:07,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:18:07,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:18:07,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:18:07,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:18:07,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:18:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:18:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:18:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 23:18:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:18:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:18:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:18:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-24 23:18:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:18:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:18:19,001 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:18:19,004 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-24 23:18:19,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:19 BoogieIcfgContainer [2020-10-24 23:18:19,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:18:19,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:18:19,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:18:19,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:18:19,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:18:06" (1/3) ... [2020-10-24 23:18:19,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f47688e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:18:19, skipping insertion in model container [2020-10-24 23:18:19,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:07" (2/3) ... [2020-10-24 23:18:19,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f47688e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:18:19, skipping insertion in model container [2020-10-24 23:18:19,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:19" (3/3) ... [2020-10-24 23:18:19,016 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2020-10-24 23:18:19,028 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:18:19,033 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:18:19,055 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:18:19,091 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:18:19,091 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:18:19,091 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:18:19,092 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:18:19,092 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:18:19,092 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:18:19,092 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:18:19,092 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:18:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-10-24 23:18:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:18:19,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:18:19,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:18:19,112 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:18:19,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:18:19,119 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2020-10-24 23:18:19,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:18:19,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720715981] [2020-10-24 23:18:19,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:18:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:18:19,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:18:19,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:18:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:18:19,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:18:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:18:19,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720715981] [2020-10-24 23:18:19,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:18:19,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:18:19,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806482077] [2020-10-24 23:18:19,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:18:19,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:18:19,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:18:19,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:18:19,983 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-10-24 23:18:20,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:18:20,009 INFO L93 Difference]: Finished difference Result 114 states and 183 transitions. [2020-10-24 23:18:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:18:20,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:18:20,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:18:20,021 INFO L225 Difference]: With dead ends: 114 [2020-10-24 23:18:20,022 INFO L226 Difference]: Without dead ends: 54 [2020-10-24 23:18:20,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:18:20,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-24 23:18:20,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-24 23:18:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-24 23:18:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2020-10-24 23:18:20,076 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2020-10-24 23:18:20,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:18:20,076 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2020-10-24 23:18:20,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:18:20,077 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2020-10-24 23:18:20,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:18:20,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:18:20,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:18:20,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:18:20,292 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:18:20,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:18:20,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2020-10-24 23:18:20,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:18:20,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973773597] [2020-10-24 23:18:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 23:18:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:18:20,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-24 23:18:20,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:18:20,970 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:18:23,073 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 22 DAG size of output: 15 [2020-10-24 23:18:23,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:18:23,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:18:23,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:18:23,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973773597] [2020-10-24 23:18:23,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:18:23,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-24 23:18:23,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490034908] [2020-10-24 23:18:23,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 23:18:23,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:18:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 23:18:23,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 23:18:23,238 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand 8 states. [2020-10-24 23:18:23,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:18:23,732 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2020-10-24 23:18:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 23:18:23,734 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-24 23:18:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:18:23,735 INFO L225 Difference]: With dead ends: 59 [2020-10-24 23:18:23,735 INFO L226 Difference]: Without dead ends: 13 [2020-10-24 23:18:23,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-24 23:18:23,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-24 23:18:23,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-24 23:18:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-24 23:18:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-10-24 23:18:23,740 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2020-10-24 23:18:23,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:18:23,741 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-10-24 23:18:23,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 23:18:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-10-24 23:18:23,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:18:23,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:18:23,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:18:23,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:18:23,947 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:18:23,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:18:23,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1003963026, now seen corresponding path program 1 times [2020-10-24 23:18:23,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:18:23,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416656869] [2020-10-24 23:18:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 23:18:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:18:24,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-24 23:18:24,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:18:26,360 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-10-24 23:18:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:18:28,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:18:30,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:18:30,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416656869] [2020-10-24 23:18:30,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:18:30,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-10-24 23:18:30,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841730492] [2020-10-24 23:18:30,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 23:18:30,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:18:30,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 23:18:30,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-24 23:18:30,744 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 9 states. [2020-10-24 23:18:35,233 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2020-10-24 23:18:39,398 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2020-10-24 23:18:43,268 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2020-10-24 23:18:43,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:18:43,270 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-10-24 23:18:43,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 23:18:43,270 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-10-24 23:18:43,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:18:43,271 INFO L225 Difference]: With dead ends: 13 [2020-10-24 23:18:43,271 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:18:43,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-24 23:18:43,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:18:43,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:18:43,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:18:43,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:18:43,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-24 23:18:43,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:18:43,273 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:18:43,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 23:18:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:18:43,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:18:43,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:18:43,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:18:45,718 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-24 23:18:47,665 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 39 [2020-10-24 23:18:47,689 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-10-24 23:18:47,689 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:18:47,689 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:18:47,689 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:18:47,689 INFO L274 CegarLoopResult]: For program point L119(lines 119 139) no Hoare annotation was computed. [2020-10-24 23:18:47,689 INFO L274 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2020-10-24 23:18:47,689 INFO L274 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-10-24 23:18:47,690 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: false [2020-10-24 23:18:47,690 INFO L270 CegarLoopResult]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2020-10-24 23:18:47,690 INFO L274 CegarLoopResult]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2020-10-24 23:18:47,690 INFO L274 CegarLoopResult]: For program point L188(lines 188 197) no Hoare annotation was computed. [2020-10-24 23:18:47,690 INFO L274 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-10-24 23:18:47,690 INFO L274 CegarLoopResult]: For program point L188-2(lines 188 197) no Hoare annotation was computed. [2020-10-24 23:18:47,690 INFO L274 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2020-10-24 23:18:47,690 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2020-10-24 23:18:47,690 INFO L274 CegarLoopResult]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2020-10-24 23:18:47,691 INFO L270 CegarLoopResult]: At program point L156-2(lines 156 160) the Hoare annotation is: false [2020-10-24 23:18:47,691 INFO L274 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-10-24 23:18:47,691 INFO L274 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2020-10-24 23:18:47,691 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2020-10-24 23:18:47,692 INFO L270 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2020-10-24 23:18:47,692 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-10-24 23:18:47,692 INFO L274 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2020-10-24 23:18:47,692 INFO L270 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2020-10-24 23:18:47,693 INFO L274 CegarLoopResult]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2020-10-24 23:18:47,693 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:18:47,693 INFO L274 CegarLoopResult]: For program point L124(lines 124 139) no Hoare annotation was computed. [2020-10-24 23:18:47,693 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 139) no Hoare annotation was computed. [2020-10-24 23:18:47,693 INFO L274 CegarLoopResult]: For program point L125(lines 125 138) no Hoare annotation was computed. [2020-10-24 23:18:47,693 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-10-24 23:18:47,694 INFO L274 CegarLoopResult]: For program point L92-1(lines 85 98) no Hoare annotation was computed. [2020-10-24 23:18:47,694 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 96) no Hoare annotation was computed. [2020-10-24 23:18:47,694 INFO L270 CegarLoopResult]: At program point L175(lines 110 176) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0))))) (exists ((ULTIMATE.start___ieee754_asinf_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_asinf_~x ULTIMATE.start___ieee754_asinf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0)))))) [2020-10-24 23:18:47,695 INFO L274 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-10-24 23:18:47,695 INFO L274 CegarLoopResult]: For program point L193(lines 193 196) no Hoare annotation was computed. [2020-10-24 23:18:47,695 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:18:47,695 INFO L274 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2020-10-24 23:18:47,695 INFO L270 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2020-10-24 23:18:47,696 INFO L274 CegarLoopResult]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2020-10-24 23:18:47,696 INFO L274 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-10-24 23:18:47,696 INFO L274 CegarLoopResult]: For program point L161-1(lines 153 171) no Hoare annotation was computed. [2020-10-24 23:18:47,696 INFO L274 CegarLoopResult]: For program point L161-2(lines 161 165) no Hoare annotation was computed. [2020-10-24 23:18:47,696 INFO L274 CegarLoopResult]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2020-10-24 23:18:47,697 INFO L270 CegarLoopResult]: At program point L113-2(lines 113 117) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0)))))) [2020-10-24 23:18:47,697 INFO L274 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-10-24 23:18:47,697 INFO L274 CegarLoopResult]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2020-10-24 23:18:47,697 INFO L274 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2020-10-24 23:18:47,697 INFO L270 CegarLoopResult]: At program point L97(lines 85 98) the Hoare annotation is: false [2020-10-24 23:18:47,698 INFO L274 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-10-24 23:18:47,698 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0))))) (exists ((ULTIMATE.start___ieee754_asinf_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_asinf_~x ULTIMATE.start___ieee754_asinf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0)))))) [2020-10-24 23:18:47,698 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:18:47,699 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:18:47,699 INFO L274 CegarLoopResult]: For program point L66(lines 66 75) no Hoare annotation was computed. [2020-10-24 23:18:47,699 INFO L270 CegarLoopResult]: At program point L83(lines 19 84) the Hoare annotation is: false [2020-10-24 23:18:47,699 INFO L277 CegarLoopResult]: At program point L199(lines 178 200) the Hoare annotation is: true [2020-10-24 23:18:47,699 INFO L274 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-10-24 23:18:47,699 INFO L274 CegarLoopResult]: For program point L150(lines 150 171) no Hoare annotation was computed. [2020-10-24 23:18:47,700 INFO L274 CegarLoopResult]: For program point L150-2(lines 110 176) no Hoare annotation was computed. [2020-10-24 23:18:47,700 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-10-24 23:18:47,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,716 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,735 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,735 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,736 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,736 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,736 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,736 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,745 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:18:47 BoogieIcfgContainer [2020-10-24 23:18:47,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:18:47,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:18:47,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:18:47,767 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:18:47,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:19" (3/4) ... [2020-10-24 23:18:47,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 23:18:47,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-10-24 23:18:47,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-24 23:18:47,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:18:47,799 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:18:47,825 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) [2020-10-24 23:18:47,826 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && (\exists ULTIMATE.start___ieee754_asinf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) [2020-10-24 23:18:47,826 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && 1bv32 == \result) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && (\exists ULTIMATE.start___ieee754_asinf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) [2020-10-24 23:18:47,864 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:18:47,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:18:47,866 INFO L168 Benchmark]: Toolchain (without parser) took 41230.90 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 29.4 MB in the beginning and 42.0 MB in the end (delta: -12.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:47,866 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:18:47,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.43 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 29.4 MB in the end (delta: -677.9 kB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:47,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.74 ms. Allocated memory is still 52.4 MB. Free memory was 29.4 MB in the beginning and 26.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:47,868 INFO L168 Benchmark]: Boogie Preprocessor took 52.58 ms. Allocated memory is still 52.4 MB. Free memory was 26.8 MB in the beginning and 24.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:47,868 INFO L168 Benchmark]: RCFGBuilder took 11820.11 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 24.4 MB in the beginning and 30.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:47,869 INFO L168 Benchmark]: TraceAbstraction took 28757.54 ms. Allocated memory is still 65.0 MB. Free memory was 30.6 MB in the beginning and 24.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:47,869 INFO L168 Benchmark]: Witness Printer took 97.71 ms. Allocated memory is still 65.0 MB. Free memory was 24.1 MB in the beginning and 42.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:47,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 399.43 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 29.4 MB in the end (delta: -677.9 kB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.74 ms. Allocated memory is still 52.4 MB. Free memory was 29.4 MB in the beginning and 26.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.58 ms. Allocated memory is still 52.4 MB. Free memory was 26.8 MB in the beginning and 24.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11820.11 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 24.4 MB in the beginning and 30.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28757.54 ms. Allocated memory is still 65.0 MB. Free memory was 30.6 MB in the beginning and 24.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Witness Printer took 97.71 ms. Allocated memory is still 65.0 MB. Free memory was 24.1 MB in the beginning and 42.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Loop Invariant [2020-10-24 23:18:47,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && (\exists ULTIMATE.start___ieee754_asinf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) - InvariantResult [Line: 15]: Loop Invariant [2020-10-24 23:18:47,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-10-24 23:18:47,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-10-24 23:18:47,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && 1bv32 == \result) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && (\exists ULTIMATE.start___ieee754_asinf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) - InvariantResult [Line: 113]: Loop Invariant [2020-10-24 23:18:47,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:47,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:47,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:18:47,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-24 23:18:47,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 34 SDslu, 39 SDs, 0 SdLazy, 25 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 180 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 6 QuantifiedInterpolants, 2193 SizeOfPredicates, 17 NumberOfNonLiveVariables, 183 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...