./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4be0bc4cd46b95b0d49f59a081442b7e454af9af .................................................................................................................................................................................................................................................................................................................. 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_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4be0bc4cd46b95b0d49f59a081442b7e454af9af ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:31:41,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:31:41,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:31:41,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:31:41,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:31:41,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:31:41,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:31:41,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:31:41,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:31:41,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:31:41,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:31:41,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:31:41,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:31:41,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:31:41,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:31:41,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:31:41,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:31:41,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:31:41,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:31:41,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:31:41,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:31:41,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:31:41,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:31:41,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:31:41,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:31:41,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:31:41,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:31:41,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:31:41,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:31:41,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:31:41,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:31:41,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:31:41,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:31:41,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:31:41,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:31:41,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:31:41,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:31:41,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:31:41,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:31:41,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:31:41,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:31:41,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-03 12:31:41,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:31:41,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:31:41,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:31:41,680 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:31:41,680 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:31:41,681 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:31:41,681 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:31:41,682 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:31:41,682 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:31:41,682 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:31:41,683 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:31:41,683 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:31:41,684 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:31:41,684 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:31:41,684 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:31:41,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:31:41,686 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:31:41,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:31:41,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:31:41,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:31:41,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:31:41,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:31:41,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:31:41,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:31:41,688 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:31:41,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:31:41,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:31:41,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:31:41,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:31:41,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:31:41,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:31:41,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:31:41,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:31:41,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:31:41,691 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:31:41,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:31:41,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:31:41,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:31:41,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:31:41,692 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-12-03 12:31:41,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:31:41,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:31:41,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:31:41,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:31:41,990 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:31:41,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-12-03 12:31:42,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data/1b1e3fde1/35feac0fa2d94e279313908cf74bbb4a/FLAG2714826b4 [2020-12-03 12:31:42,615 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:31:42,615 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-12-03 12:31:42,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data/1b1e3fde1/35feac0fa2d94e279313908cf74bbb4a/FLAG2714826b4 [2020-12-03 12:31:42,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data/1b1e3fde1/35feac0fa2d94e279313908cf74bbb4a [2020-12-03 12:31:42,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:31:42,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:31:42,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:42,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:31:42,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:31:42,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:42" (1/1) ... [2020-12-03 12:31:42,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349affee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:42, skipping insertion in model container [2020-12-03 12:31:42,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:42" (1/1) ... [2020-12-03 12:31:42,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:31:42,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:31:43,255 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-03 12:31:43,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:31:43,282 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:31:43,380 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-03 12:31:43,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:31:43,399 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:31:43,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43 WrapperNode [2020-12-03 12:31:43,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:43,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:31:43,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:31:43,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:31:43,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:31:43,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:31:43,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:31:43,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:31:43,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... [2020-12-03 12:31:43,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:31:43,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:31:43,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:31:43,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:31:43,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/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 [2020-12-03 12:31:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 12:31:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:31:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-03 12:31:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-03 12:31:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-03 12:31:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:31:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:31:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-03 12:31:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 12:31:44,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:31:44,368 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2020-12-03 12:31:44,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:44 BoogieIcfgContainer [2020-12-03 12:31:44,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:31:44,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:31:44,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:31:44,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:31:44,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:31:42" (1/3) ... [2020-12-03 12:31:44,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e52e196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:31:44, skipping insertion in model container [2020-12-03 12:31:44,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:43" (2/3) ... [2020-12-03 12:31:44,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e52e196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:31:44, skipping insertion in model container [2020-12-03 12:31:44,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:44" (3/3) ... [2020-12-03 12:31:44,380 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-12-03 12:31:44,394 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:31:44,398 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 12:31:44,410 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 12:31:44,435 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:31:44,436 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:31:44,436 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:31:44,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:31:44,436 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:31:44,436 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:31:44,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:31:44,437 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:31:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-12-03 12:31:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-03 12:31:44,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:31:44,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:31:44,457 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:31:44,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:31:44,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1677985479, now seen corresponding path program 1 times [2020-12-03 12:31:44,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:31:44,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314900809] [2020-12-03 12:31:44,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:31:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:31:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:31:44,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314900809] [2020-12-03 12:31:44,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:31:44,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:31:44,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980230512] [2020-12-03 12:31:44,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 12:31:44,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:31:44,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 12:31:44,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 12:31:44,642 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2020-12-03 12:31:44,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:31:44,664 INFO L93 Difference]: Finished difference Result 83 states and 135 transitions. [2020-12-03 12:31:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 12:31:44,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-12-03 12:31:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:31:44,676 INFO L225 Difference]: With dead ends: 83 [2020-12-03 12:31:44,676 INFO L226 Difference]: Without dead ends: 40 [2020-12-03 12:31:44,680 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 [2020-12-03 12:31:44,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-03 12:31:44,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-03 12:31:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-03 12:31:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2020-12-03 12:31:44,718 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 7 [2020-12-03 12:31:44,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:31:44,718 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2020-12-03 12:31:44,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 12:31:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2020-12-03 12:31:44,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 12:31:44,719 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:31:44,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:31:44,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 12:31:44,720 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:31:44,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:31:44,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1747273148, now seen corresponding path program 1 times [2020-12-03 12:31:44,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:31:44,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612140493] [2020-12-03 12:31:44,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:31:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:31:44,795 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:31:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:31:44,826 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:31:44,852 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-03 12:31:44,853 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 12:31:44,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 12:31:44,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:31:44 BoogieIcfgContainer [2020-12-03 12:31:44,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:31:44,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:31:44,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:31:44,887 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:31:44,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:44" (3/4) ... [2020-12-03 12:31:44,891 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-03 12:31:44,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:31:44,900 INFO L168 Benchmark]: Toolchain (without parser) took 1938.65 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 48.3 MB in the beginning and 66.5 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:44,900 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 49.1 MB in the beginning and 49.0 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:44,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.40 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 48.1 MB in the beginning and 69.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:44,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.01 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 67.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:44,903 INFO L168 Benchmark]: Boogie Preprocessor took 41.74 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 65.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:44,903 INFO L168 Benchmark]: RCFGBuilder took 874.18 ms. Allocated memory is still 96.5 MB. Free memory was 65.0 MB in the beginning and 56.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:44,904 INFO L168 Benchmark]: TraceAbstraction took 514.24 ms. Allocated memory is still 96.5 MB. Free memory was 55.7 MB in the beginning and 66.5 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:44,905 INFO L168 Benchmark]: Witness Printer took 4.62 ms. Allocated memory is still 96.5 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:44,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 49.1 MB in the beginning and 49.0 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 442.40 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 48.1 MB in the beginning and 69.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.01 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 67.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.74 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 65.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 874.18 ms. Allocated memory is still 96.5 MB. Free memory was 65.0 MB in the beginning and 56.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 514.24 ms. Allocated memory is still 96.5 MB. Free memory was 55.7 MB in the beginning and 66.5 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.62 ms. Allocated memory is still 96.5 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 235]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L230] float x = 1.0f / 0.0f; [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L231] float res = __ieee754_asinf(x); [L60] return x != x; [L234] COND TRUE !isnan_float(res) [L235] reach_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 53 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=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 0.2.0-7b2dab5 [2020-12-03 12:31:47,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:31:47,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:31:47,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:31:47,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:31:47,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:31:47,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:31:47,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:31:47,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:31:47,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:31:47,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:31:47,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:31:47,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:31:47,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:31:47,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:31:47,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:31:47,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:31:47,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:31:47,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:31:47,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:31:47,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:31:47,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:31:47,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:31:47,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:31:47,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:31:47,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:31:47,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:31:47,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:31:47,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:31:47,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:31:47,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:31:47,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:31:47,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:31:47,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:31:47,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:31:47,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:31:47,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:31:47,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:31:47,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:31:47,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:31:47,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:31:47,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-03 12:31:47,733 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:31:47,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:31:47,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:31:47,735 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:31:47,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:31:47,736 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:31:47,736 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:31:47,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:31:47,736 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:31:47,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:31:47,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:31:47,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:31:47,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:31:47,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:31:47,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:31:47,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:31:47,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:31:47,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:31:47,739 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:31:47,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:31:47,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:31:47,740 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:31:47,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:31:47,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:31:47,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:31:47,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:31:47,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:31:47,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:31:47,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:31:47,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:31:47,742 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:31:47,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:31:47,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:31:47,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:31:47,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:31:47,743 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_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-12-03 12:31:48,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:31:48,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:31:48,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:31:48,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:31:48,205 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:31:48,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-12-03 12:31:48,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data/8651726c0/7dbf336dc16b437882343ae8e71093d4/FLAG46eca9f5d [2020-12-03 12:31:48,781 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:31:48,781 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-12-03 12:31:48,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data/8651726c0/7dbf336dc16b437882343ae8e71093d4/FLAG46eca9f5d [2020-12-03 12:31:49,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/data/8651726c0/7dbf336dc16b437882343ae8e71093d4 [2020-12-03 12:31:49,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:31:49,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:31:49,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:49,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:31:49,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:31:49,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ada2693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49, skipping insertion in model container [2020-12-03 12:31:49,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:31:49,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:31:49,481 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-03 12:31:49,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:31:49,521 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:31:49,636 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-03 12:31:49,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:31:49,666 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:31:49,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49 WrapperNode [2020-12-03 12:31:49,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:49,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:31:49,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:31:49,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:31:49,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:31:49,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:31:49,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:31:49,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:31:49,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... [2020-12-03 12:31:49,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:31:49,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:31:49,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:31:49,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:31:49,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/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 [2020-12-03 12:31:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 12:31:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:31:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-03 12:31:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-03 12:31:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:31:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:31:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-03 12:31:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-03 12:31:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 12:32:03,217 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:32:03,221 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2020-12-03 12:32:03,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:03 BoogieIcfgContainer [2020-12-03 12:32:03,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:32:03,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:32:03,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:32:03,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:32:03,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:31:49" (1/3) ... [2020-12-03 12:32:03,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f689c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:32:03, skipping insertion in model container [2020-12-03 12:32:03,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:49" (2/3) ... [2020-12-03 12:32:03,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f689c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:32:03, skipping insertion in model container [2020-12-03 12:32:03,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:03" (3/3) ... [2020-12-03 12:32:03,235 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-12-03 12:32:03,249 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:32:03,254 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 12:32:03,265 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 12:32:03,310 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:32:03,310 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:32:03,310 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:32:03,310 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:32:03,310 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:32:03,311 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:32:03,311 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:32:03,311 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:32:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-12-03 12:32:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 12:32:03,332 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:03,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:03,334 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:32:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-12-03 12:32:03,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:03,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116998070] [2020-12-03 12:32:03,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/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 [2020-12-03 12:32:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:04,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-03 12:32:04,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:04,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:04,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116998070] [2020-12-03 12:32:04,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:04,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:32:04,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499946185] [2020-12-03 12:32:04,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 12:32:04,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:04,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 12:32:04,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 12:32:04,156 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-12-03 12:32:04,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:04,194 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2020-12-03 12:32:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 12:32:04,196 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-03 12:32:04,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:04,207 INFO L225 Difference]: With dead ends: 110 [2020-12-03 12:32:04,207 INFO L226 Difference]: Without dead ends: 53 [2020-12-03 12:32:04,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 12:32:04,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-03 12:32:04,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-03 12:32:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-03 12:32:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-12-03 12:32:04,263 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-12-03 12:32:04,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:04,263 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-12-03 12:32:04,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 12:32:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-12-03 12:32:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 12:32:04,265 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:04,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:04,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 12:32:04,470 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:32:04,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:04,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-12-03 12:32:04,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:04,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312752998] [2020-12-03 12:32:04,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/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 [2020-12-03 12:32:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:05,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-03 12:32:05,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:05,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:05,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312752998] [2020-12-03 12:32:05,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:05,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 12:32:05,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203936452] [2020-12-03 12:32:05,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-03 12:32:05,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:05,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-03 12:32:05,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:32:05,431 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 5 states. [2020-12-03 12:32:05,698 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-03 12:32:06,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:06,711 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-12-03 12:32:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-03 12:32:06,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-03 12:32:06,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:06,713 INFO L225 Difference]: With dead ends: 58 [2020-12-03 12:32:06,714 INFO L226 Difference]: Without dead ends: 12 [2020-12-03 12:32:06,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-03 12:32:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-03 12:32:06,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-03 12:32:06,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-03 12:32:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-03 12:32:06,719 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-12-03 12:32:06,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:06,719 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-03 12:32:06,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-03 12:32:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-03 12:32:06,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 12:32:06,720 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:06,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:06,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 12:32:06,943 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:32:06,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:06,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2020-12-03 12:32:06,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:06,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413631702] [2020-12-03 12:32:06,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/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 [2020-12-03 12:32:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:07,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-03 12:32:07,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:08,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:08,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413631702] [2020-12-03 12:32:08,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:08,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-03 12:32:08,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337417864] [2020-12-03 12:32:08,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-03 12:32:08,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:08,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-03 12:32:08,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-03 12:32:08,042 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 7 states. [2020-12-03 12:32:09,823 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-03 12:32:09,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:09,825 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-03 12:32:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-03 12:32:09,825 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-12-03 12:32:09,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:09,825 INFO L225 Difference]: With dead ends: 12 [2020-12-03 12:32:09,826 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 12:32:09,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-03 12:32:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 12:32:09,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 12:32:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 12:32:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 12:32:09,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-03 12:32:09,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:09,837 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 12:32:09,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-03 12:32:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 12:32:09,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 12:32:10,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-03 12:32:10,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 12:32:10,219 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 11 [2020-12-03 12:32:10,505 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-12-03 12:32:10,837 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-03 12:32:10,898 INFO L262 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-12-03 12:32:10,899 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2020-12-03 12:32:10,899 INFO L262 CegarLoopResult]: For program point L234(lines 234 237) no Hoare annotation was computed. [2020-12-03 12:32:10,899 INFO L262 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-12-03 12:32:10,899 INFO L258 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-12-03 12:32:10,900 INFO L262 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-12-03 12:32:10,900 INFO L262 CegarLoopResult]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2020-12-03 12:32:10,900 INFO L262 CegarLoopResult]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2020-12-03 12:32:10,900 INFO L258 CegarLoopResult]: At program point L69-2(lines 69 73) the Hoare annotation is: false [2020-12-03 12:32:10,900 INFO L262 CegarLoopResult]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2020-12-03 12:32:10,900 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 12:32:10,901 INFO L262 CegarLoopResult]: For program point L86-2(lines 86 87) no Hoare annotation was computed. [2020-12-03 12:32:10,901 INFO L258 CegarLoopResult]: At program point L86-3(lines 86 87) the Hoare annotation is: false [2020-12-03 12:32:10,901 INFO L262 CegarLoopResult]: For program point L86-4(lines 86 87) no Hoare annotation was computed. [2020-12-03 12:32:10,901 INFO L262 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-12-03 12:32:10,901 INFO L262 CegarLoopResult]: For program point L169(lines 169 184) no Hoare annotation was computed. [2020-12-03 12:32:10,902 INFO L262 CegarLoopResult]: For program point L169-1(lines 169 184) no Hoare annotation was computed. [2020-12-03 12:32:10,902 INFO L262 CegarLoopResult]: For program point L170(lines 170 183) no Hoare annotation was computed. [2020-12-03 12:32:10,902 INFO L262 CegarLoopResult]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-12-03 12:32:10,902 INFO L262 CegarLoopResult]: For program point L137-1(lines 130 143) no Hoare annotation was computed. [2020-12-03 12:32:10,902 INFO L262 CegarLoopResult]: For program point L137-2(lines 137 141) no Hoare annotation was computed. [2020-12-03 12:32:10,903 INFO L258 CegarLoopResult]: At program point L220(lines 155 221) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-03 12:32:10,903 INFO L262 CegarLoopResult]: For program point L171(lines 171 172) no Hoare annotation was computed. [2020-12-03 12:32:10,903 INFO L262 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-12-03 12:32:10,903 INFO L258 CegarLoopResult]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2020-12-03 12:32:10,904 INFO L262 CegarLoopResult]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2020-12-03 12:32:10,904 INFO L265 CegarLoopResult]: At program point L239(lines 223 240) the Hoare annotation is: true [2020-12-03 12:32:10,904 INFO L262 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-12-03 12:32:10,904 INFO L262 CegarLoopResult]: For program point L206-1(lines 198 216) no Hoare annotation was computed. [2020-12-03 12:32:10,904 INFO L262 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-12-03 12:32:10,904 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 12:32:10,905 INFO L262 CegarLoopResult]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2020-12-03 12:32:10,905 INFO L258 CegarLoopResult]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-03 12:32:10,905 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-12-03 12:32:10,905 INFO L262 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-12-03 12:32:10,905 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-12-03 12:32:10,906 INFO L258 CegarLoopResult]: At program point L142(lines 130 143) the Hoare annotation is: false [2020-12-03 12:32:10,906 INFO L262 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-12-03 12:32:10,906 INFO L258 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-03 12:32:10,906 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-03 12:32:10,907 INFO L262 CegarLoopResult]: For program point L111(lines 111 120) no Hoare annotation was computed. [2020-12-03 12:32:10,907 INFO L258 CegarLoopResult]: At program point L128(lines 64 129) the Hoare annotation is: false [2020-12-03 12:32:10,907 INFO L262 CegarLoopResult]: For program point L79(lines 79 80) no Hoare annotation was computed. [2020-12-03 12:32:10,907 INFO L262 CegarLoopResult]: For program point L195(lines 195 216) no Hoare annotation was computed. [2020-12-03 12:32:10,907 INFO L262 CegarLoopResult]: For program point L195-2(lines 155 221) no Hoare annotation was computed. [2020-12-03 12:32:10,907 INFO L262 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-12-03 12:32:10,908 INFO L262 CegarLoopResult]: For program point L81(lines 81 82) no Hoare annotation was computed. [2020-12-03 12:32:10,908 INFO L262 CegarLoopResult]: For program point L164(lines 164 184) no Hoare annotation was computed. [2020-12-03 12:32:10,908 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-03 12:32:10,908 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2020-12-03 12:32:10,908 INFO L262 CegarLoopResult]: For program point L115(lines 115 118) no Hoare annotation was computed. [2020-12-03 12:32:10,909 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-12-03 12:32:10,909 INFO L258 CegarLoopResult]: At program point L132-2(lines 132 136) the Hoare annotation is: false [2020-12-03 12:32:10,909 INFO L258 CegarLoopResult]: At program point L100-2(lines 100 109) the Hoare annotation is: false [2020-12-03 12:32:10,909 INFO L262 CegarLoopResult]: For program point L100-3(lines 64 129) no Hoare annotation was computed. [2020-12-03 12:32:10,909 INFO L262 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-12-03 12:32:10,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:10,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:10,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:10,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:32:10 BoogieIcfgContainer [2020-12-03 12:32:10,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:32:10,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:32:10,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:32:10,957 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:32:10,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:03" (3/4) ... [2020-12-03 12:32:10,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 12:32:10,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-03 12:32:10,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-03 12:32:10,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 12:32:10,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 12:32:10,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-03 12:32:11,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~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.sub~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()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-03 12:32:11,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~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.sub~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()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-03 12:32:11,028 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_97341c3f-eadc-436d-b055-b58a93872c7a/bin/utaipan/witness.graphml [2020-12-03 12:32:11,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:32:11,030 INFO L168 Benchmark]: Toolchain (without parser) took 21883.02 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 39.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:11,030 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory is still 36.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:11,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.64 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 33.8 MB in the end (delta: -1.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:11,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.47 ms. Allocated memory is still 54.5 MB. Free memory was 33.8 MB in the beginning and 31.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:11,032 INFO L168 Benchmark]: Boogie Preprocessor took 91.26 ms. Allocated memory is still 54.5 MB. Free memory was 31.3 MB in the beginning and 29.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:11,032 INFO L168 Benchmark]: RCFGBuilder took 13371.52 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.0 MB in the beginning and 43.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:11,033 INFO L168 Benchmark]: TraceAbstraction took 7729.31 ms. Allocated memory is still 67.1 MB. Free memory was 42.7 MB in the beginning and 45.2 MB in the end (delta: -2.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:11,033 INFO L168 Benchmark]: Witness Printer took 71.69 ms. Allocated memory is still 67.1 MB. Free memory was 45.2 MB in the beginning and 39.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:11,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory is still 36.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.64 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 33.8 MB in the end (delta: -1.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.47 ms. Allocated memory is still 54.5 MB. Free memory was 33.8 MB in the beginning and 31.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.26 ms. Allocated memory is still 54.5 MB. Free memory was 31.3 MB in the beginning and 29.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13371.52 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.0 MB in the beginning and 43.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7729.31 ms. Allocated memory is still 67.1 MB. Free memory was 42.7 MB in the beginning and 45.2 MB in the end (delta: -2.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Witness Printer took 71.69 ms. Allocated memory is still 67.1 MB. Free memory was 45.2 MB in the beginning and 39.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 235]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant [2020-12-03 12:32:11,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~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.sub~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()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 60]: Loop Invariant [2020-12-03 12:32:11,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-03 12:32:11,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~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.sub~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()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 158]: Loop Invariant [2020-12-03 12:32:11,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 12:32:11,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-03 12:32:11,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 36 SDslu, 16 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 187 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 4 QuantifiedInterpolants, 1669 SizeOfPredicates, 16 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...