./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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/double_req_bl_0270a.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 36a331464187de28b12e5b04905e142d1ff0258d ........................................................................................................................................................................................................................................................................................................................ 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/double_req_bl_0270a.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 36a331464187de28b12e5b04905e142d1ff0258d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 21:46:09,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:46:09,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:46:09,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:46:09,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:46:09,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:46:09,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:46:09,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:46:09,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:46:09,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:46:09,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:46:09,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:46:09,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:46:09,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:46:09,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:46:09,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:46:09,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:46:09,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:46:09,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:46:09,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:46:09,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:46:09,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:46:09,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:46:09,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:46:09,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:46:09,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:46:09,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:46:09,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:46:09,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:46:09,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:46:09,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:46:09,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:46:09,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:46:09,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:46:09,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:46:09,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:46:09,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:46:09,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:46:09,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:46:09,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:46:09,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:46:09,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:46:09,973 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:46:09,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:46:09,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:46:09,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:46:09,978 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:46:09,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:46:09,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:46:09,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:46:09,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:46:09,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:46:09,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:46:09,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:46:09,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:46:09,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:46:09,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:46:09,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:46:09,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:46:09,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:46:09,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:46:09,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:46:09,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:46:09,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:46:09,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:46:09,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:46:09,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:46:09,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:46:09,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:46:09,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:46:09,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:46:09,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a331464187de28b12e5b04905e142d1ff0258d [2020-10-25 21:46:10,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:46:10,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:46:10,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:46:10,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:46:10,500 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:46:10,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2020-10-25 21:46:10,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83112dbf0/5102a7a3a5664792ad41bcb76ae143cc/FLAGa8435cf72 [2020-10-25 21:46:11,374 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:46:11,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2020-10-25 21:46:11,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83112dbf0/5102a7a3a5664792ad41bcb76ae143cc/FLAGa8435cf72 [2020-10-25 21:46:11,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83112dbf0/5102a7a3a5664792ad41bcb76ae143cc [2020-10-25 21:46:11,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:46:11,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:46:11,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:46:11,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:46:11,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:46:11,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:46:11" (1/1) ... [2020-10-25 21:46:11,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cbacf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:11, skipping insertion in model container [2020-10-25 21:46:11,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:46:11" (1/1) ... [2020-10-25 21:46:11,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:46:11,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:46:12,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:46:12,098 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:46:12,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:46:12,185 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:46:12,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12 WrapperNode [2020-10-25 21:46:12,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:46:12,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:46:12,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:46:12,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:46:12,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:46:12,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:46:12,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:46:12,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:46:12,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... [2020-10-25 21:46:12,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:46:12,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:46:12,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:46:12,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:46:12,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:46:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:46:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:46:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:46:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:46:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:46:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:46:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:46:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:46:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:46:13,377 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:46:13,378 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-25 21:46:13,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:46:13 BoogieIcfgContainer [2020-10-25 21:46:13,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:46:13,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:46:13,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:46:13,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:46:13,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:46:11" (1/3) ... [2020-10-25 21:46:13,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144c6bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:46:13, skipping insertion in model container [2020-10-25 21:46:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:12" (2/3) ... [2020-10-25 21:46:13,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144c6bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:46:13, skipping insertion in model container [2020-10-25 21:46:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:46:13" (3/3) ... [2020-10-25 21:46:13,389 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2020-10-25 21:46:13,403 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:46:13,408 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:46:13,423 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:46:13,451 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:46:13,451 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:46:13,451 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:46:13,452 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:46:13,452 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:46:13,452 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:46:13,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:46:13,452 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:46:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-10-25 21:46:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-25 21:46:13,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:46:13,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:46:13,477 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:46:13,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:46:13,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2020-10-25 21:46:13,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:46:13,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482619842] [2020-10-25 21:46:13,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:46:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:46:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:13,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482619842] [2020-10-25 21:46:13,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:46:13,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:46:13,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946739602] [2020-10-25 21:46:13,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:46:13,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:46:13,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:46:13,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:46:13,700 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-10-25 21:46:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:46:13,732 INFO L93 Difference]: Finished difference Result 141 states and 231 transitions. [2020-10-25 21:46:13,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:46:13,734 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-25 21:46:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:46:13,747 INFO L225 Difference]: With dead ends: 141 [2020-10-25 21:46:13,747 INFO L226 Difference]: Without dead ends: 68 [2020-10-25 21:46:13,751 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 [2020-10-25 21:46:13,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-25 21:46:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-25 21:46:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-25 21:46:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2020-10-25 21:46:13,801 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2020-10-25 21:46:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:46:13,801 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2020-10-25 21:46:13,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:46:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-10-25 21:46:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:46:13,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:46:13,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:46:13,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:46:13,804 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:46:13,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:46:13,805 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2020-10-25 21:46:13,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:46:13,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735574878] [2020-10-25 21:46:13,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:46:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:46:13,859 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:46:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:46:13,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:46:13,921 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:46:13,922 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:46:13,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:46:13,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:46:13 BoogieIcfgContainer [2020-10-25 21:46:13,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:46:13,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:46:13,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:46:13,973 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:46:13,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:46:13" (3/4) ... [2020-10-25 21:46:13,980 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:46:13,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:46:13,986 INFO L168 Benchmark]: Toolchain (without parser) took 2322.16 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 23.8 MB in the beginning and 24.6 MB in the end (delta: -814.4 kB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:13,989 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 46.1 MB. Free memory was 26.7 MB in the beginning and 26.7 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:46:13,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.69 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 19.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:13,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.25 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 19.6 MB in the beginning and 42.7 MB in the end (delta: -23.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:13,992 INFO L168 Benchmark]: Boogie Preprocessor took 106.72 ms. Allocated memory is still 58.7 MB. Free memory was 42.7 MB in the beginning and 40.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:13,993 INFO L168 Benchmark]: RCFGBuilder took 990.14 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 34.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:13,994 INFO L168 Benchmark]: TraceAbstraction took 588.49 ms. Allocated memory is still 58.7 MB. Free memory was 33.7 MB in the beginning and 24.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:13,995 INFO L168 Benchmark]: Witness Printer took 11.80 ms. Allocated memory is still 58.7 MB. Free memory was 24.9 MB in the beginning and 24.6 MB in the end (delta: 334.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:46:14,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 46.1 MB. Free memory was 26.7 MB in the beginning and 26.7 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.69 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 19.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.25 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 19.6 MB in the beginning and 42.7 MB in the end (delta: -23.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.72 ms. Allocated memory is still 58.7 MB. Free memory was 42.7 MB in the beginning and 40.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 990.14 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 34.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 588.49 ms. Allocated memory is still 58.7 MB. Free memory was 33.7 MB in the beginning and 24.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Witness Printer took 11.80 ms. Allocated memory is still 58.7 MB. Free memory was 24.9 MB in the beginning and 24.6 MB in the end (delta: 334.7 kB). 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 someUnaryDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 241. Possible FailurePath: [L18] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L144-L158] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L237] double x = 0.0; [L161] double t, w, p, q, c, r, s; [L162] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] ieee_double_shape_type gh_u; [L165] gh_u.value = (x) [L166] EXPR gh_u.parts.msw [L166] (hx) = gh_u.parts.msw [L168] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L180] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND FALSE !(ix < 0x3e400000) [L185] t = x * x [L186-L189] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L190-L191] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L192] w = p / q [L193] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] double res = __ieee754_asin(x); [L241] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L3] __assert_fail("0", "double_req_bl_0270a.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 97 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.2.0-5485861 [2020-10-25 21:46:16,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:46:16,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:46:16,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:46:16,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:46:16,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:46:16,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:46:16,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:46:16,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:46:16,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:46:16,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:46:16,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:46:16,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:46:16,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:46:16,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:46:16,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:46:16,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:46:16,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:46:16,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:46:16,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:46:16,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:46:16,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:46:16,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:46:16,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:46:16,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:46:16,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:46:16,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:46:16,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:46:16,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:46:16,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:46:16,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:46:16,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:46:16,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:46:16,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:46:16,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:46:16,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:46:16,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:46:16,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:46:16,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:46:16,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:46:16,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:46:16,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:46:16,950 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:46:16,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:46:16,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:46:16,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:46:16,954 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:46:16,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:46:16,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:46:16,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:46:16,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:46:16,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:46:16,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:46:16,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:46:16,958 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:46:16,958 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:46:16,958 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:46:16,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:46:16,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:46:16,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:46:16,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:46:16,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:46:16,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:46:16,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:46:16,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:46:16,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:46:16,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:46:16,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:46:16,961 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:46:16,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:46:16,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:46:16,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:46:16,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:46:16,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a331464187de28b12e5b04905e142d1ff0258d [2020-10-25 21:46:17,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:46:17,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:46:17,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:46:17,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:46:17,451 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:46:17,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2020-10-25 21:46:17,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b15049bff/75416e636e1b422f9b75ce06dd217796/FLAG764741191 [2020-10-25 21:46:18,153 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:46:18,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2020-10-25 21:46:18,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b15049bff/75416e636e1b422f9b75ce06dd217796/FLAG764741191 [2020-10-25 21:46:18,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b15049bff/75416e636e1b422f9b75ce06dd217796 [2020-10-25 21:46:18,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:46:18,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:46:18,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:46:18,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:46:18,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:46:18,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:46:18" (1/1) ... [2020-10-25 21:46:18,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c69c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:18, skipping insertion in model container [2020-10-25 21:46:18,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:46:18" (1/1) ... [2020-10-25 21:46:18,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:46:18,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:46:18,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:46:18,899 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:46:19,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:46:19,093 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:46:19,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19 WrapperNode [2020-10-25 21:46:19,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:46:19,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:46:19,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:46:19,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:46:19,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:46:19,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:46:19,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:46:19,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:46:19,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (1/1) ... [2020-10-25 21:46:19,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:46:19,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:46:19,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:46:19,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:46:19,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (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 [2020-10-25 21:46:19,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:46:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:46:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:46:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:46:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:46:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:46:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:46:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:46:19,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:46:39,118 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:46:39,119 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-10-25 21:46:39,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:46:39 BoogieIcfgContainer [2020-10-25 21:46:39,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:46:39,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:46:39,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:46:39,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:46:39,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:46:18" (1/3) ... [2020-10-25 21:46:39,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc8463e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:46:39, skipping insertion in model container [2020-10-25 21:46:39,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:46:19" (2/3) ... [2020-10-25 21:46:39,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc8463e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:46:39, skipping insertion in model container [2020-10-25 21:46:39,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:46:39" (3/3) ... [2020-10-25 21:46:39,135 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2020-10-25 21:46:39,155 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:46:39,161 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:46:39,175 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:46:39,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:46:39,216 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:46:39,216 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:46:39,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:46:39,216 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:46:39,216 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:46:39,217 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:46:39,217 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:46:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-10-25 21:46:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-25 21:46:39,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:46:39,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:46:39,240 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:46:39,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:46:39,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2020-10-25 21:46:39,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:46:39,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928327230] [2020-10-25 21:46:39,264 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 [2020-10-25 21:46:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:46:40,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:46:40,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:46:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:40,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:46:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:40,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928327230] [2020-10-25 21:46:40,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:46:40,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:46:40,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579482675] [2020-10-25 21:46:40,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:46:40,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:46:40,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:46:40,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:46:40,333 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-10-25 21:46:40,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:46:40,389 INFO L93 Difference]: Finished difference Result 141 states and 231 transitions. [2020-10-25 21:46:40,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:46:40,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-25 21:46:40,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:46:40,407 INFO L225 Difference]: With dead ends: 141 [2020-10-25 21:46:40,407 INFO L226 Difference]: Without dead ends: 68 [2020-10-25 21:46:40,412 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 [2020-10-25 21:46:40,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-25 21:46:40,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-25 21:46:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-25 21:46:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2020-10-25 21:46:40,462 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2020-10-25 21:46:40,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:46:40,462 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2020-10-25 21:46:40,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:46:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-10-25 21:46:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:46:40,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:46:40,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:46:40,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:46:40,671 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:46:40,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:46:40,673 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2020-10-25 21:46:40,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:46:40,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119704273] [2020-10-25 21:46:40,676 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 [2020-10-25 21:46:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:46:45,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-25 21:46:45,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:46:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:45,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:46:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:45,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119704273] [2020-10-25 21:46:45,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:46:45,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-25 21:46:45,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438048105] [2020-10-25 21:46:45,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 21:46:45,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:46:45,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 21:46:45,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 21:46:45,463 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2020-10-25 21:46:47,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:46:47,169 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2020-10-25 21:46:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 21:46:47,170 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-25 21:46:47,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:46:47,172 INFO L225 Difference]: With dead ends: 124 [2020-10-25 21:46:47,172 INFO L226 Difference]: Without dead ends: 65 [2020-10-25 21:46:47,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-25 21:46:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-25 21:46:47,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-25 21:46:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-25 21:46:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2020-10-25 21:46:47,186 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2020-10-25 21:46:47,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:46:47,187 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2020-10-25 21:46:47,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 21:46:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2020-10-25 21:46:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:46:47,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:46:47,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:46:47,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:46:47,389 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:46:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:46:47,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2020-10-25 21:46:47,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:46:47,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53003046] [2020-10-25 21:46:47,393 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 [2020-10-25 21:46:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:46:47,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-25 21:46:47,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:46:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:47,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:46:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:47,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53003046] [2020-10-25 21:46:47,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:46:47,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-25 21:46:47,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72474237] [2020-10-25 21:46:47,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 21:46:47,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:46:47,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 21:46:47,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 21:46:47,817 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2020-10-25 21:46:48,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:46:48,281 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2020-10-25 21:46:48,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 21:46:48,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-25 21:46:48,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:46:48,284 INFO L225 Difference]: With dead ends: 69 [2020-10-25 21:46:48,284 INFO L226 Difference]: Without dead ends: 65 [2020-10-25 21:46:48,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-25 21:46:48,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-25 21:46:48,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-25 21:46:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-25 21:46:48,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2020-10-25 21:46:48,297 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2020-10-25 21:46:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:46:48,297 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2020-10-25 21:46:48,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 21:46:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2020-10-25 21:46:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-25 21:46:48,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:46:48,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:46:48,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 21:46:48,532 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:46:48,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:46:48,533 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2020-10-25 21:46:48,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:46:48,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433735658] [2020-10-25 21:46:48,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-25 21:46:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:46:55,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-25 21:46:55,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:46:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:55,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:46:56,472 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-10-25 21:46:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:46:57,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433735658] [2020-10-25 21:46:57,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:46:57,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-25 21:46:57,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491802166] [2020-10-25 21:46:57,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 21:46:57,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:46:57,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 21:46:57,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-25 21:46:57,175 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2020-10-25 21:46:57,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:46:57,362 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2020-10-25 21:46:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 21:46:57,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-25 21:46:57,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:46:57,365 INFO L225 Difference]: With dead ends: 65 [2020-10-25 21:46:57,365 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 21:46:57,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-25 21:46:57,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 21:46:57,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 21:46:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 21:46:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 21:46:57,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-25 21:46:57,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:46:57,367 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 21:46:57,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 21:46:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 21:46:57,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 21:46:57,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-25 21:46:57,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 21:46:57,814 INFO L274 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-10-25 21:46:57,815 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2020-10-25 21:46:57,815 INFO L274 CegarLoopResult]: For program point L135(lines 135 140) no Hoare annotation was computed. [2020-10-25 21:46:57,815 INFO L274 CegarLoopResult]: For program point L135-1(lines 128 142) no Hoare annotation was computed. [2020-10-25 21:46:57,815 INFO L274 CegarLoopResult]: For program point L135-2(lines 135 140) no Hoare annotation was computed. [2020-10-25 21:46:57,815 INFO L274 CegarLoopResult]: For program point L36(lines 36 41) no Hoare annotation was computed. [2020-10-25 21:46:57,816 INFO L270 CegarLoopResult]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2020-10-25 21:46:57,816 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 21:46:57,816 INFO L274 CegarLoopResult]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2020-10-25 21:46:57,816 INFO L274 CegarLoopResult]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2020-10-25 21:46:57,816 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 21:46:57,816 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 21:46:57,816 INFO L274 CegarLoopResult]: For program point L119-1(lines 119 124) no Hoare annotation was computed. [2020-10-25 21:46:57,816 INFO L270 CegarLoopResult]: At program point L119-2(lines 119 124) the Hoare annotation is: false [2020-10-25 21:46:57,816 INFO L274 CegarLoopResult]: For program point L119-3(lines 119 124) no Hoare annotation was computed. [2020-10-25 21:46:57,816 INFO L274 CegarLoopResult]: For program point L169(lines 169 195) no Hoare annotation was computed. [2020-10-25 21:46:57,817 INFO L274 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-25 21:46:57,817 INFO L274 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-10-25 21:46:57,817 INFO L274 CegarLoopResult]: For program point L87(lines 87 88) no Hoare annotation was computed. [2020-10-25 21:46:57,817 INFO L274 CegarLoopResult]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2020-10-25 21:46:57,819 INFO L274 CegarLoopResult]: For program point L71(lines 71 75) no Hoare annotation was computed. [2020-10-25 21:46:57,819 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2020-10-25 21:46:57,819 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2020-10-25 21:46:57,820 INFO L270 CegarLoopResult]: At program point L171-2(lines 171 175) the Hoare annotation is: false [2020-10-25 21:46:57,820 INFO L274 CegarLoopResult]: For program point L171-3(lines 169 180) no Hoare annotation was computed. [2020-10-25 21:46:57,821 INFO L274 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-10-25 21:46:57,821 INFO L274 CegarLoopResult]: For program point L106(lines 106 111) no Hoare annotation was computed. [2020-10-25 21:46:57,821 INFO L274 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2020-10-25 21:46:57,822 INFO L274 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2020-10-25 21:46:57,822 INFO L274 CegarLoopResult]: For program point L206(lines 206 222) no Hoare annotation was computed. [2020-10-25 21:46:57,823 INFO L274 CegarLoopResult]: For program point L206-2(lines 160 227) no Hoare annotation was computed. [2020-10-25 21:46:57,823 INFO L274 CegarLoopResult]: For program point L107(lines 107 108) no Hoare annotation was computed. [2020-10-25 21:46:57,824 INFO L274 CegarLoopResult]: For program point L107-2(lines 107 108) no Hoare annotation was computed. [2020-10-25 21:46:57,824 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 21:46:57,826 INFO L274 CegarLoopResult]: For program point L58(lines 58 61) no Hoare annotation was computed. [2020-10-25 21:46:57,827 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2020-10-25 21:46:57,827 INFO L270 CegarLoopResult]: At program point L141(lines 128 142) the Hoare annotation is: false [2020-10-25 21:46:57,828 INFO L270 CegarLoopResult]: At program point L125(lines 20 126) the Hoare annotation is: false [2020-10-25 21:46:57,828 INFO L274 CegarLoopResult]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2020-10-25 21:46:57,828 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2020-10-25 21:46:57,828 INFO L274 CegarLoopResult]: For program point L26-3(lines 20 126) no Hoare annotation was computed. [2020-10-25 21:46:57,829 INFO L274 CegarLoopResult]: For program point L241(lines 241 244) no Hoare annotation was computed. [2020-10-25 21:46:57,829 INFO L274 CegarLoopResult]: For program point L44(lines 44 55) no Hoare annotation was computed. [2020-10-25 21:46:57,830 INFO L274 CegarLoopResult]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2020-10-25 21:46:57,830 INFO L270 CegarLoopResult]: At program point L226(lines 160 227) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3)) ULTIMATE.start___ieee754_asin_~ix~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))))) (= (_ +zero 11 53) ULTIMATE.start___ieee754_asin_~x) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0))) (= |ULTIMATE.start___ieee754_asin_#res| ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-10-25 21:46:57,831 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 21:46:57,832 INFO L270 CegarLoopResult]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2020-10-25 21:46:57,832 INFO L274 CegarLoopResult]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2020-10-25 21:46:57,832 INFO L274 CegarLoopResult]: For program point L211-1(lines 211 216) no Hoare annotation was computed. [2020-10-25 21:46:57,832 INFO L270 CegarLoopResult]: At program point L211-2(lines 211 216) the Hoare annotation is: false [2020-10-25 21:46:57,832 INFO L274 CegarLoopResult]: For program point L211-3(lines 211 216) no Hoare annotation was computed. [2020-10-25 21:46:57,833 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-10-25 21:46:57,833 INFO L270 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= (_ +zero 11 53) ULTIMATE.start___ieee754_asin_~x) (= ~huge_asin~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-10-25 21:46:57,833 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-10-25 21:46:57,833 INFO L274 CegarLoopResult]: For program point L163-3(lines 163 167) no Hoare annotation was computed. [2020-10-25 21:46:57,833 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2020-10-25 21:46:57,833 INFO L277 CegarLoopResult]: At program point L246(lines 229 247) the Hoare annotation is: true [2020-10-25 21:46:57,833 INFO L274 CegarLoopResult]: For program point L180(lines 180 195) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point L180-1(lines 180 195) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point L181(lines 181 194) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L270 CegarLoopResult]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point L82-3(lines 20 126) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point L99(lines 99 113) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point L182(lines 182 183) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point L116(lines 116 117) no Hoare annotation was computed. [2020-10-25 21:46:57,834 INFO L274 CegarLoopResult]: For program point L116-2(lines 116 117) no Hoare annotation was computed. [2020-10-25 21:46:57,835 INFO L274 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2020-10-25 21:46:57,835 INFO L270 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2020-10-25 21:46:57,835 INFO L274 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2020-10-25 21:46:57,835 INFO L274 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2020-10-25 21:46:57,849 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 21:46:57,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 21:46:57,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:46:57 BoogieIcfgContainer [2020-10-25 21:46:57,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:46:57,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:46:57,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:46:57,865 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:46:57,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:46:39" (3/4) ... [2020-10-25 21:46:57,870 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 21:46:57,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-25 21:46:57,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 21:46:57,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 21:46:57,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 21:46:57,920 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0])) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx)) && \result == x) && x == ~Pluszero~LONGDOUBLE() [2020-10-25 21:46:57,965 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:46:57,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:46:57,968 INFO L168 Benchmark]: Toolchain (without parser) took 39469.66 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 27.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:57,969 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 24.2 MB in the beginning and 24.2 MB in the end (delta: 17.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:46:57,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.05 ms. Allocated memory is still 48.2 MB. Free memory was 25.2 MB in the beginning and 31.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:57,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.45 ms. Allocated memory is still 48.2 MB. Free memory was 31.7 MB in the beginning and 29.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:57,971 INFO L168 Benchmark]: Boogie Preprocessor took 60.60 ms. Allocated memory is still 48.2 MB. Free memory was 29.1 MB in the beginning and 26.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:57,971 INFO L168 Benchmark]: RCFGBuilder took 19831.86 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.4 MB in the beginning and 35.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:57,972 INFO L168 Benchmark]: TraceAbstraction took 18737.72 ms. Allocated memory is still 58.7 MB. Free memory was 35.2 MB in the beginning and 33.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:57,972 INFO L168 Benchmark]: Witness Printer took 101.15 ms. Allocated memory is still 58.7 MB. Free memory was 33.7 MB in the beginning and 27.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:46:57,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 24.2 MB in the beginning and 24.2 MB in the end (delta: 17.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 588.05 ms. Allocated memory is still 48.2 MB. Free memory was 25.2 MB in the beginning and 31.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.45 ms. Allocated memory is still 48.2 MB. Free memory was 31.7 MB in the beginning and 29.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.60 ms. Allocated memory is still 48.2 MB. Free memory was 29.1 MB in the beginning and 26.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19831.86 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.4 MB in the beginning and 35.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18737.72 ms. Allocated memory is still 58.7 MB. Free memory was 35.2 MB in the beginning and 33.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * Witness Printer took 101.15 ms. Allocated memory is still 58.7 MB. Free memory was 33.7 MB in the beginning and 27.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2020-10-25 21:46:57,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 21:46:57,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 21:46:57,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 21:46:57,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~Pluszero~LONGDOUBLE() == x) && huge_asin == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 160]: Loop Invariant [2020-10-25 21:46:57,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:57,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-25 21:46:58,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32]) == ix && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0])) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) && v_skolemized_v_prenex_1_3[63:32] == hx)) && \result == x) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 258 SDtfs, 487 SDslu, 240 SDs, 0 SdLazy, 44 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 74 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 8399 SizeOfPredicates, 17 NumberOfNonLiveVariables, 306 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...