./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer --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 805a9760d55a0edb9fd9095bd91ff69e6f1dae98 .......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer --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 805a9760d55a0edb9fd9095bd91ff69e6f1dae98 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:32:35,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:32:35,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:32:35,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:32:35,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:32:35,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:32:35,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:32:35,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:32:35,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:32:35,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:32:35,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:32:35,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:32:35,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:32:35,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:32:35,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:32:35,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:32:35,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:32:35,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:32:35,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:32:35,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:32:35,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:32:35,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:32:35,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:32:35,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:32:35,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:32:35,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:32:35,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:32:35,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:32:35,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:32:35,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:32:35,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:32:35,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:32:35,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:32:35,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:32:35,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:32:35,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:32:35,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:32:35,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:32:35,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:32:35,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:32:35,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:32:35,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:32:35,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:32:35,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:32:35,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:32:35,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:32:35,753 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:32:35,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:32:35,754 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:32:35,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:32:35,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:32:35,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:32:35,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:32:35,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:32:35,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:32:35,757 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:32:35,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:32:35,758 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:32:35,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:32:35,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:32:35,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:32:35,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:32:35,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:32:35,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:32:35,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:32:35,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:32:35,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:32:35,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:32:35,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:32:35,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:32:35,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:32:35,762 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:/tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 805a9760d55a0edb9fd9095bd91ff69e6f1dae98 [2020-11-29 23:32:36,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:32:36,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:32:36,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:32:36,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:32:36,234 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:32:36,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2020-11-29 23:32:36,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data/44be23b9a/0f8a3c30db7a45b59a2576e04d6e75bd/FLAGef35d5d76 [2020-11-29 23:32:37,033 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:32:37,040 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2020-11-29 23:32:37,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data/44be23b9a/0f8a3c30db7a45b59a2576e04d6e75bd/FLAGef35d5d76 [2020-11-29 23:32:37,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data/44be23b9a/0f8a3c30db7a45b59a2576e04d6e75bd [2020-11-29 23:32:37,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:32:37,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:32:37,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:37,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:32:37,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:32:37,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f3ebe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37, skipping insertion in model container [2020-11-29 23:32:37,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:32:37,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:32:37,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:37,709 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:32:37,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:37,826 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:32:37,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37 WrapperNode [2020-11-29 23:32:37,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:37,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:37,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:32:37,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:32:37,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:37,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:32:37,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:32:37,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:32:37,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... [2020-11-29 23:32:37,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:32:37,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:32:37,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:32:37,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:32:38,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/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 [2020-11-29 23:32:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:32:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:32:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 23:32:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 23:32:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 23:32:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:32:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:32:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 23:32:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:32:38,718 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:32:38,719 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-29 23:32:38,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:38 BoogieIcfgContainer [2020-11-29 23:32:38,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:32:38,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:32:38,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:32:38,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:32:38,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:32:37" (1/3) ... [2020-11-29 23:32:38,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a3758b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:32:38, skipping insertion in model container [2020-11-29 23:32:38,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:37" (2/3) ... [2020-11-29 23:32:38,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a3758b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:32:38, skipping insertion in model container [2020-11-29 23:32:38,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:38" (3/3) ... [2020-11-29 23:32:38,733 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0931.c [2020-11-29 23:32:38,747 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:32:38,752 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:32:38,768 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:32:38,799 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:32:38,799 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:32:38,799 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:32:38,799 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:32:38,800 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:32:38,800 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:32:38,800 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:32:38,800 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:32:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-11-29 23:32:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:32:38,822 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:38,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:38,823 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:38,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:38,831 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2020-11-29 23:32:38,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:38,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033480820] [2020-11-29 23:32:38,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:39,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033480820] [2020-11-29 23:32:39,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:39,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:32:39,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657616320] [2020-11-29 23:32:39,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:32:39,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:39,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:32:39,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:32:39,048 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-11-29 23:32:39,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:39,067 INFO L93 Difference]: Finished difference Result 65 states and 103 transitions. [2020-11-29 23:32:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:32:39,069 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 23:32:39,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:39,081 INFO L225 Difference]: With dead ends: 65 [2020-11-29 23:32:39,082 INFO L226 Difference]: Without dead ends: 30 [2020-11-29 23:32:39,097 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 [2020-11-29 23:32:39,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-29 23:32:39,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-29 23:32:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-29 23:32:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-11-29 23:32:39,148 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2020-11-29 23:32:39,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:39,149 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-11-29 23:32:39,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:32:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-11-29 23:32:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:32:39,151 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:39,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:39,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:32:39,153 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:39,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:39,158 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2020-11-29 23:32:39,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:39,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166287465] [2020-11-29 23:32:39,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:39,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:32:39,366 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:32:39,404 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:32:39,404 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 23:32:39,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:32:39,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:32:39 BoogieIcfgContainer [2020-11-29 23:32:39,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:32:39,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:32:39,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:32:39,456 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:32:39,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:38" (3/4) ... [2020-11-29 23:32:39,461 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 23:32:39,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:32:39,464 INFO L168 Benchmark]: Toolchain (without parser) took 2108.07 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 69.4 MB in the beginning and 103.0 MB in the end (delta: -33.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:39,465 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 76.6 MB in the end (delta: 27.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:39,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.56 ms. Allocated memory is still 104.9 MB. Free memory was 69.2 MB in the beginning and 78.1 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:39,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.74 ms. Allocated memory is still 104.9 MB. Free memory was 78.1 MB in the beginning and 76.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:39,468 INFO L168 Benchmark]: Boogie Preprocessor took 79.27 ms. Allocated memory is still 104.9 MB. Free memory was 76.1 MB in the beginning and 74.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:39,469 INFO L168 Benchmark]: RCFGBuilder took 724.70 ms. Allocated memory is still 104.9 MB. Free memory was 74.5 MB in the beginning and 53.4 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:39,470 INFO L168 Benchmark]: TraceAbstraction took 731.00 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 52.8 MB in the beginning and 103.2 MB in the end (delta: -50.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:39,471 INFO L168 Benchmark]: Witness Printer took 6.24 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 187.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:39,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 76.6 MB in the end (delta: 27.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 471.56 ms. Allocated memory is still 104.9 MB. Free memory was 69.2 MB in the beginning and 78.1 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.74 ms. Allocated memory is still 104.9 MB. Free memory was 78.1 MB in the beginning and 76.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.27 ms. Allocated memory is still 104.9 MB. Free memory was 76.1 MB in the beginning and 74.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 724.70 ms. Allocated memory is still 104.9 MB. Free memory was 74.5 MB in the beginning and 53.4 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 731.00 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 52.8 MB in the beginning and 103.2 MB in the end (delta: -50.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.24 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 187.3 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 someBinaryArithmeticFLOAToperation at line 34, overapproximation of bitwiseAnd at line 108. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L118] float x = 1.0f / 0.0f; [L23] float hfsq, f, s, z, R, w, t1, t2, dk; [L24] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L27] ieee_float_shape_type gf_u; [L28] gf_u.value = (x) [L29] EXPR gf_u.word [L29] (ix) = gf_u.word [L32] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L33] COND TRUE ((ix & 0x7fffffff) == 0) [L34] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L119] float res = __ieee754_logf(x); [L102] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L104] ieee_float_shape_type gf_u; [L105] gf_u.value = (x) [L106] EXPR gf_u.word [L106] (ix) = gf_u.word [L108] ix &= 0x7fffffff [L109] return ((ix) == 0x7f800000L); VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L122] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_0931.c", 3, "reach_error") VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 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=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:32:42,504 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-29 23:32:42,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:32:42,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:32:42,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:32:42,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:32:42,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:32:42,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:32:42,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:32:42,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:32:42,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:32:42,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:32:42,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:32:42,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 23:32:42,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:32:42,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:32:42,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:32:42,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:32:42,680 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:32:42,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:32:42,681 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:32:42,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:32:42,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:32:42,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:32:42,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:32:42,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:32:42,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:32:42,684 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:32:42,684 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:32:42,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:32:42,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:32:42,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:32:42,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:32:42,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:32:42,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:32:42,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:32:42,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:32:42,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:32:42,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:32:42,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:32:42,687 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 23:32:42,688 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:32:42,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:32:42,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:32:42,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:32:42,689 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:/tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 805a9760d55a0edb9fd9095bd91ff69e6f1dae98 [2020-11-29 23:32:43,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:32:43,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:32:43,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:32:43,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:32:43,266 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:32:43,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2020-11-29 23:32:43,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data/518b9eed0/06402e9edd72454aa8e03ca717d69927/FLAG88f2b9f43 [2020-11-29 23:32:44,061 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:32:44,067 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2020-11-29 23:32:44,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data/518b9eed0/06402e9edd72454aa8e03ca717d69927/FLAG88f2b9f43 [2020-11-29 23:32:44,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/data/518b9eed0/06402e9edd72454aa8e03ca717d69927 [2020-11-29 23:32:44,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:32:44,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:32:44,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:44,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:32:44,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:32:44,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:44,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca1c812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44, skipping insertion in model container [2020-11-29 23:32:44,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:44,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:32:44,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:32:44,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:44,717 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:32:44,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:44,827 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:32:44,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44 WrapperNode [2020-11-29 23:32:44,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:44,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:44,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:32:44,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:32:44,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:44,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:44,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:44,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:32:44,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:32:44,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:32:44,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:44,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:45,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:45,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:45,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:45,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:45,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... [2020-11-29 23:32:45,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:32:45,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:32:45,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:32:45,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:32:45,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/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 [2020-11-29 23:32:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:32:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:32:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 23:32:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 23:32:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:32:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:32:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 23:32:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 23:32:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:32:59,846 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:32:59,846 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-29 23:32:59,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:59 BoogieIcfgContainer [2020-11-29 23:32:59,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:32:59,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:32:59,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:32:59,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:32:59,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:32:44" (1/3) ... [2020-11-29 23:32:59,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a9dc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:32:59, skipping insertion in model container [2020-11-29 23:32:59,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:44" (2/3) ... [2020-11-29 23:32:59,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a9dc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:32:59, skipping insertion in model container [2020-11-29 23:32:59,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:59" (3/3) ... [2020-11-29 23:32:59,859 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0931.c [2020-11-29 23:32:59,883 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:32:59,888 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:32:59,901 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:32:59,929 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:32:59,930 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:32:59,930 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:32:59,930 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:32:59,931 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:32:59,931 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:32:59,931 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:32:59,931 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:32:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-11-29 23:32:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:32:59,953 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:59,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:59,954 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:59,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:59,961 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2020-11-29 23:32:59,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:32:59,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692825623] [2020-11-29 23:32:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/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 [2020-11-29 23:33:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:00,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 23:33:00,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:33:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:00,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:33:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:00,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692825623] [2020-11-29 23:33:00,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:00,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 23:33:00,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653746609] [2020-11-29 23:33:00,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:33:00,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:33:00,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:33:00,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:33:00,818 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-11-29 23:33:00,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:00,842 INFO L93 Difference]: Finished difference Result 65 states and 103 transitions. [2020-11-29 23:33:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:33:00,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 23:33:00,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:00,856 INFO L225 Difference]: With dead ends: 65 [2020-11-29 23:33:00,856 INFO L226 Difference]: Without dead ends: 30 [2020-11-29 23:33:00,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:33:00,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-29 23:33:00,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-29 23:33:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-29 23:33:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-11-29 23:33:00,903 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2020-11-29 23:33:00,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:00,904 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-11-29 23:33:00,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:33:00,905 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-11-29 23:33:00,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:33:00,906 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:00,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:01,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 23:33:01,119 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:01,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:01,120 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2020-11-29 23:33:01,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:33:01,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725342657] [2020-11-29 23:33:01,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/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 [2020-11-29 23:33:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:01,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 23:33:01,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:33:02,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:02,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:33:02,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:02,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725342657] [2020-11-29 23:33:02,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:02,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-29 23:33:02,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348471295] [2020-11-29 23:33:02,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:33:02,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:33:02,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:33:02,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:33:02,153 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 6 states. [2020-11-29 23:33:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:02,457 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2020-11-29 23:33:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:33:02,459 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-11-29 23:33:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:02,460 INFO L225 Difference]: With dead ends: 38 [2020-11-29 23:33:02,460 INFO L226 Difference]: Without dead ends: 16 [2020-11-29 23:33:02,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 23:33:02,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-29 23:33:02,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-29 23:33:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-29 23:33:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-29 23:33:02,481 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2020-11-29 23:33:02,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:02,482 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-29 23:33:02,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:33:02,483 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-29 23:33:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:33:02,483 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:02,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:02,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 23:33:02,701 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:02,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:02,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1520936507, now seen corresponding path program 1 times [2020-11-29 23:33:02,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:33:02,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308113988] [2020-11-29 23:33:02,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/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 [2020-11-29 23:33:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:03,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 23:33:03,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:33:03,472 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:33:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:03,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:33:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:04,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308113988] [2020-11-29 23:33:04,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:04,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-11-29 23:33:04,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542066972] [2020-11-29 23:33:04,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-29 23:33:04,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:33:04,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-29 23:33:04,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-11-29 23:33:04,703 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 15 states. [2020-11-29 23:33:05,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:05,205 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-11-29 23:33:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:33:05,206 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-11-29 23:33:05,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:05,206 INFO L225 Difference]: With dead ends: 16 [2020-11-29 23:33:05,206 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:33:05,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-11-29 23:33:05,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:33:05,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:33:05,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:33:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:33:05,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-11-29 23:33:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:05,208 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:33:05,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-29 23:33:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:33:05,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:33:05,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 23:33:05,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:33:05,601 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-11-29 23:33:05,804 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-11-29 23:33:05,839 INFO L277 CegarLoopResult]: At program point L126(lines 112 127) the Hoare annotation is: true [2020-11-29 23:33:05,840 INFO L274 CegarLoopResult]: For program point L93(lines 93 96) no Hoare annotation was computed. [2020-11-29 23:33:05,840 INFO L274 CegarLoopResult]: For program point L60(lines 60 65) no Hoare annotation was computed. [2020-11-29 23:33:05,840 INFO L274 CegarLoopResult]: For program point L85(lines 85 97) no Hoare annotation was computed. [2020-11-29 23:33:05,840 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 23:33:05,840 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 23:33:05,840 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:33:05,840 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:33:05,840 INFO L274 CegarLoopResult]: For program point L103-1(lines 103 107) no Hoare annotation was computed. [2020-11-29 23:33:05,841 INFO L274 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-11-29 23:33:05,841 INFO L270 CegarLoopResult]: At program point L103-2(lines 103 107) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_logf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 |ULTIMATE.start___ieee754_logf_#res|) (= .cse0 ULTIMATE.start_isinf_float_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) [2020-11-29 23:33:05,841 INFO L274 CegarLoopResult]: For program point L103-3(lines 103 107) no Hoare annotation was computed. [2020-11-29 23:33:05,841 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-11-29 23:33:05,841 INFO L270 CegarLoopResult]: At program point L96(lines 22 98) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_logf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_logf_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-11-29 23:33:05,841 INFO L274 CegarLoopResult]: For program point L39(lines 39 47) no Hoare annotation was computed. [2020-11-29 23:33:05,841 INFO L274 CegarLoopResult]: For program point L39-1(lines 39 47) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point L122(lines 122 125) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point L58(lines 58 74) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point L42-1(lines 42 46) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L270 CegarLoopResult]: At program point L42-2(lines 42 46) the Hoare annotation is: false [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point L59(lines 59 66) no Hoare annotation was computed. [2020-11-29 23:33:05,842 INFO L274 CegarLoopResult]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2020-11-29 23:33:05,843 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 30) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_logf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-11-29 23:33:05,843 INFO L274 CegarLoopResult]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2020-11-29 23:33:05,843 INFO L274 CegarLoopResult]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2020-11-29 23:33:05,843 INFO L270 CegarLoopResult]: At program point L51-2(lines 51 55) the Hoare annotation is: false [2020-11-29 23:33:05,843 INFO L274 CegarLoopResult]: For program point L51-3(lines 51 55) no Hoare annotation was computed. [2020-11-29 23:33:05,844 INFO L270 CegarLoopResult]: At program point L109(lines 101 110) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_logf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= .cse0 |ULTIMATE.start___ieee754_logf_#res|) (= .cse0 ULTIMATE.start_isinf_float_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) [2020-11-29 23:33:05,844 INFO L274 CegarLoopResult]: For program point L68(lines 68 73) no Hoare annotation was computed. [2020-11-29 23:33:05,844 INFO L274 CegarLoopResult]: For program point L35(lines 35 36) no Hoare annotation was computed. [2020-11-29 23:33:05,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,859 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,868 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,868 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,868 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,871 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:05,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:05,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:05,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:33:05 BoogieIcfgContainer [2020-11-29 23:33:05,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:33:05,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:33:05,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:33:05,903 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:33:05,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:59" (3/4) ... [2020-11-29 23:33:05,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:33:05,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-29 23:33:05,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 23:33:05,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:33:05,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:33:05,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-29 23:33:05,975 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-29 23:33:05,976 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-29 23:33:06,020 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cbcfecd5-dd28-4942-90e7-50527901c369/bin/uautomizer/witness.graphml [2020-11-29 23:33:06,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:33:06,022 INFO L168 Benchmark]: Toolchain (without parser) took 21632.14 ms. Allocated memory is still 77.6 MB. Free memory was 44.1 MB in the beginning and 56.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:06,023 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory is still 60.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:33:06,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.02 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 52.2 MB in the end (delta: -8.3 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:06,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.92 ms. Allocated memory is still 77.6 MB. Free memory was 52.0 MB in the beginning and 60.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:06,024 INFO L168 Benchmark]: Boogie Preprocessor took 96.81 ms. Allocated memory is still 77.6 MB. Free memory was 60.6 MB in the beginning and 58.6 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:33:06,025 INFO L168 Benchmark]: RCFGBuilder took 14767.85 ms. Allocated memory is still 77.6 MB. Free memory was 58.6 MB in the beginning and 34.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:06,026 INFO L168 Benchmark]: TraceAbstraction took 6052.03 ms. Allocated memory is still 77.6 MB. Free memory was 34.3 MB in the beginning and 27.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:06,026 INFO L168 Benchmark]: Witness Printer took 117.98 ms. Allocated memory is still 77.6 MB. Free memory was 27.6 MB in the beginning and 56.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:06,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory is still 60.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 435.02 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 52.2 MB in the end (delta: -8.3 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 151.92 ms. Allocated memory is still 77.6 MB. Free memory was 52.0 MB in the beginning and 60.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.81 ms. Allocated memory is still 77.6 MB. Free memory was 60.6 MB in the beginning and 58.6 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 14767.85 ms. Allocated memory is still 77.6 MB. Free memory was 58.6 MB in the beginning and 34.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6052.03 ms. Allocated memory is still 77.6 MB. Free memory was 34.3 MB in the beginning and 27.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Witness Printer took 117.98 ms. Allocated memory is still 77.6 MB. Free memory was 27.6 MB in the beginning and 56.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * 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: 103]: Loop Invariant [2020-11-29 23:33:06,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 22]: Loop Invariant [2020-11-29 23:33:06,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant [2020-11-29 23:33:06,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 23:33:06,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 26]: Loop Invariant [2020-11-29 23:33:06,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 23:33:06,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 23:33:06,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 60 SDtfs, 63 SDslu, 40 SDs, 0 SdLazy, 40 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 203 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 13 QuantifiedInterpolants, 6204 SizeOfPredicates, 18 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...