./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aabe5f83ee7488bedb0ef7448779dc0cc3c8445a9ad44e2182a59907c78d5b16 ................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aabe5f83ee7488bedb0ef7448779dc0cc3c8445a9ad44e2182a59907c78d5b16 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:22:50,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:22:50,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:22:50,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:22:50,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:22:50,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:22:50,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:22:50,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:22:50,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:22:50,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:22:50,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:22:50,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:22:50,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:22:50,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:22:50,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:22:50,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:22:50,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:22:50,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:22:50,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:22:50,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:22:50,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:22:50,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:22:50,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:22:50,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:22:50,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:22:50,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:22:50,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:22:50,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:22:50,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:22:50,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:22:50,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:22:50,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:22:50,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:22:50,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:22:50,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:22:50,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:22:50,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:22:50,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:22:50,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:22:50,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:22:50,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:22:50,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:22:50,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:22:50,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:22:50,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:22:50,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:22:50,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:22:50,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:22:50,610 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:22:50,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:22:50,611 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:22:50,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:22:50,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:22:50,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:22:50,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:22:50,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:22:50,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:22:50,614 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:22:50,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:22:50,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:22:50,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:22:50,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:22:50,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:22:50,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:22:50,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:22:50,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:22:50,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:22:50,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:22:50,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:22:50,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:22:50,618 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:22:50,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:22:50,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:22:50,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:22:50,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aabe5f83ee7488bedb0ef7448779dc0cc3c8445a9ad44e2182a59907c78d5b16 [2021-10-21 19:22:51,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:22:51,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:22:51,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:22:51,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:22:51,108 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:22:51,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2021-10-21 19:22:51,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data/4cda79db3/3fc82a69e87740108acb16c320f55068/FLAGc881c5c25 [2021-10-21 19:22:51,907 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:22:51,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2021-10-21 19:22:51,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data/4cda79db3/3fc82a69e87740108acb16c320f55068/FLAGc881c5c25 [2021-10-21 19:22:52,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data/4cda79db3/3fc82a69e87740108acb16c320f55068 [2021-10-21 19:22:52,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:22:52,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:22:52,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:22:52,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:22:52,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:22:52,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f4ea2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52, skipping insertion in model container [2021-10-21 19:22:52,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:22:52,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:22:52,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c[4371,4384] [2021-10-21 19:22:52,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:22:52,598 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:22:52,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c[4371,4384] [2021-10-21 19:22:52,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:22:52,742 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:22:52,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52 WrapperNode [2021-10-21 19:22:52,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:22:52,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:22:52,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:22:52,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:22:52,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:22:52,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:22:52,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:22:52,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:22:52,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:22:52,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:22:52,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:22:52,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:22:52,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (1/1) ... [2021-10-21 19:22:52,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:22:52,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:22:52,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:22:53,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:22:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:22:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:22:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-21 19:22:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:22:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-21 19:22:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:22:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:22:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:22:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:22:53,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:22:53,740 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-21 19:22:53,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:22:53 BoogieIcfgContainer [2021-10-21 19:22:53,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:22:53,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:22:53,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:22:53,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:22:53,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:22:52" (1/3) ... [2021-10-21 19:22:53,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb5fa8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:22:53, skipping insertion in model container [2021-10-21 19:22:53,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:52" (2/3) ... [2021-10-21 19:22:53,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb5fa8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:22:53, skipping insertion in model container [2021-10-21 19:22:53,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:22:53" (3/3) ... [2021-10-21 19:22:53,780 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490b.c [2021-10-21 19:22:53,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:22:53,786 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:22:53,910 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:22:53,918 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:22:53,918 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:22:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 71 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:22:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 19:22:53,973 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:53,974 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:53,974 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:53,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:53,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2021-10-21 19:22:53,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:53,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758122141] [2021-10-21 19:22:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:53,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:22:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:22:54,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:22:54,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758122141] [2021-10-21 19:22:54,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758122141] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:22:54,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:22:54,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:22:54,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869016230] [2021-10-21 19:22:54,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:22:54,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:22:54,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:22:54,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:22:54,252 INFO L87 Difference]: Start difference. First operand has 72 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 71 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:22:54,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:22:54,281 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2021-10-21 19:22:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:22:54,283 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-21 19:22:54,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:22:54,296 INFO L225 Difference]: With dead ends: 142 [2021-10-21 19:22:54,297 INFO L226 Difference]: Without dead ends: 69 [2021-10-21 19:22:54,300 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:22:54,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-21 19:22:54,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-21 19:22:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:22:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2021-10-21 19:22:54,369 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2021-10-21 19:22:54,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:22:54,385 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2021-10-21 19:22:54,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:22:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2021-10-21 19:22:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:22:54,387 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:22:54,387 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:22:54,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:22:54,388 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:22:54,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:22:54,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2021-10-21 19:22:54,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:22:54,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948087686] [2021-10-21 19:22:54,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:22:54,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:22:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:22:54,454 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:22:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:22:54,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:22:54,574 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:22:54,577 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:22:54,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:22:54,588 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:22:54,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:22:54 BoogieIcfgContainer [2021-10-21 19:22:54,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:22:54,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:22:54,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:22:54,667 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:22:54,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:22:53" (3/4) ... [2021-10-21 19:22:54,671 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:22:54,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:22:54,674 INFO L168 Benchmark]: Toolchain (without parser) took 2437.07 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 61.9 MB in the beginning and 109.6 MB in the end (delta: -47.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:22:54,674 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 78.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:22:54,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.69 ms. Allocated memory is still 102.8 MB. Free memory was 61.7 MB in the beginning and 74.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:54,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.81 ms. Allocated memory is still 102.8 MB. Free memory was 74.1 MB in the beginning and 71.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:54,679 INFO L168 Benchmark]: Boogie Preprocessor took 97.18 ms. Allocated memory is still 102.8 MB. Free memory was 71.6 MB in the beginning and 69.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:54,680 INFO L168 Benchmark]: RCFGBuilder took 801.70 ms. Allocated memory is still 102.8 MB. Free memory was 69.4 MB in the beginning and 51.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:54,681 INFO L168 Benchmark]: TraceAbstraction took 907.99 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 50.3 MB in the beginning and 110.7 MB in the end (delta: -60.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:22:54,682 INFO L168 Benchmark]: Witness Printer took 5.37 ms. Allocated memory is still 144.7 MB. Free memory was 110.7 MB in the beginning and 109.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:22:54,689 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 102.8 MB. Free memory is still 78.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 506.69 ms. Allocated memory is still 102.8 MB. Free memory was 61.7 MB in the beginning and 74.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.81 ms. Allocated memory is still 102.8 MB. Free memory was 74.1 MB in the beginning and 71.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.18 ms. Allocated memory is still 102.8 MB. Free memory was 71.6 MB in the beginning and 69.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 801.70 ms. Allocated memory is still 102.8 MB. Free memory was 69.4 MB in the beginning and 51.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 907.99 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 50.3 MB in the beginning and 110.7 MB in the end (delta: -60.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.37 ms. Allocated memory is still 144.7 MB. Free memory was 110.7 MB in the beginning and 109.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 175]: 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 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of bitwiseAnd at line 103, overapproximation of someBinaryArithmeticFLOAToperation at line 170. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L170] float x = -1.0f / 0.0f; [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L104] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L171] float res = __ieee754_acosf(x); [L15] return x != x; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L174] COND TRUE !isnan_float(res) [L175] reach_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 692.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 18.9ms, AutomataDifference: 82.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 99 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 29.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.7ms SsaConstructionTime, 90.5ms SatisfiabilityAnalysisTime, 94.8ms InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-10-21 19:22:54,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:22:57,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:22:57,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:22:57,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:22:57,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:22:57,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:22:57,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:22:57,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:22:57,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:22:57,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:22:57,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:22:57,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:22:57,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:22:57,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:22:57,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:22:57,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:22:57,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:22:57,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:22:57,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:22:57,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:22:57,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:22:57,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:22:57,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:22:57,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:22:57,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:22:57,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:22:57,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:22:57,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:22:57,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:22:57,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:22:57,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:22:57,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:22:57,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:22:57,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:22:57,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:22:57,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:22:57,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:22:57,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:22:57,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:22:57,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:22:57,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:22:57,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:22:57,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:22:57,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:22:57,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:22:57,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:22:57,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:22:57,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:22:57,823 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:22:57,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:22:57,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:22:57,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:22:57,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:22:57,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:22:57,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:22:57,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:22:57,826 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:22:57,827 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:22:57,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:22:57,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:22:57,827 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:22:57,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:22:57,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:22:57,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:22:57,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:22:57,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:22:57,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:22:57,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:22:57,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:22:57,830 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:22:57,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:22:57,831 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:22:57,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:22:57,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:22:57,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:22:57,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:22:57,832 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_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aabe5f83ee7488bedb0ef7448779dc0cc3c8445a9ad44e2182a59907c78d5b16 [2021-10-21 19:22:58,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:22:58,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:22:58,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:22:58,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:22:58,365 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:22:58,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2021-10-21 19:22:58,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data/19ceab567/1f1fd0ee9006408eba8d2eea13284996/FLAG9358458fe [2021-10-21 19:22:59,165 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:22:59,166 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2021-10-21 19:22:59,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data/19ceab567/1f1fd0ee9006408eba8d2eea13284996/FLAG9358458fe [2021-10-21 19:22:59,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/data/19ceab567/1f1fd0ee9006408eba8d2eea13284996 [2021-10-21 19:22:59,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:22:59,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:22:59,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:22:59,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:22:59,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:22:59,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59602a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59, skipping insertion in model container [2021-10-21 19:22:59,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:22:59,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:22:59,696 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c[4371,4384] [2021-10-21 19:22:59,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:22:59,716 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:22:59,770 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c[4371,4384] [2021-10-21 19:22:59,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:22:59,790 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:22:59,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59 WrapperNode [2021-10-21 19:22:59,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:22:59,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:22:59,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:22:59,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:22:59,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:22:59,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:22:59,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:22:59,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:22:59,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:22:59,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:22:59,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:22:59,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:22:59,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (1/1) ... [2021-10-21 19:22:59,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:23:00,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:00,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:00,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:23:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:23:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:23:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-21 19:23:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:23:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:23:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:23:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-21 19:23:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:23:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:23:11,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:23:11,738 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-21 19:23:11,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:23:11 BoogieIcfgContainer [2021-10-21 19:23:11,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:23:11,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:23:11,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:23:11,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:23:11,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:22:59" (1/3) ... [2021-10-21 19:23:11,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f068c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:23:11, skipping insertion in model container [2021-10-21 19:23:11,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:22:59" (2/3) ... [2021-10-21 19:23:11,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f068c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:23:11, skipping insertion in model container [2021-10-21 19:23:11,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:23:11" (3/3) ... [2021-10-21 19:23:11,750 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490b.c [2021-10-21 19:23:11,756 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:23:11,757 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:23:11,816 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:23:11,824 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:23:11,824 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:23:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 71 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 19:23:11,851 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:23:11,852 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:23:11,856 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:23:11,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:11,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2021-10-21 19:23:11,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:23:11,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601007342] [2021-10-21 19:23:11,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:11,882 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:23:11,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:23:11,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:23:11,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:23:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:23:12,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 19:23:12,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:23:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:12,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:23:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:12,979 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:23:12,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601007342] [2021-10-21 19:23:12,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601007342] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:23:12,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:23:12,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:23:12,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926528151] [2021-10-21 19:23:12,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:23:12,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:23:13,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:23:13,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:23:13,027 INFO L87 Difference]: Start difference. First operand has 72 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 71 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:13,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:23:13,071 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2021-10-21 19:23:13,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:23:13,073 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-21 19:23:13,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:23:13,087 INFO L225 Difference]: With dead ends: 142 [2021-10-21 19:23:13,087 INFO L226 Difference]: Without dead ends: 69 [2021-10-21 19:23:13,091 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:23:13,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-21 19:23:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-21 19:23:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2021-10-21 19:23:13,148 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2021-10-21 19:23:13,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:23:13,149 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2021-10-21 19:23:13,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2021-10-21 19:23:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:23:13,151 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:23:13,151 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:23:13,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:13,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:23:13,365 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:23:13,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:13,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2021-10-21 19:23:13,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:23:13,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627236276] [2021-10-21 19:23:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:13,368 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:23:13,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:23:13,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:23:13,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:23:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:23:14,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:23:14,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:23:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:14,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:23:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:15,074 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:23:15,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627236276] [2021-10-21 19:23:15,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627236276] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:23:15,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:23:15,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-21 19:23:15,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281730101] [2021-10-21 19:23:15,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:23:15,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:23:15,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:23:15,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:23:15,079 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:16,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:23:16,042 INFO L93 Difference]: Finished difference Result 74 states and 100 transitions. [2021-10-21 19:23:16,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:23:16,043 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:23:16,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:23:16,044 INFO L225 Difference]: With dead ends: 74 [2021-10-21 19:23:16,044 INFO L226 Difference]: Without dead ends: 12 [2021-10-21 19:23:16,046 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 791.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:23:16,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-10-21 19:23:16,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-21 19:23:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2021-10-21 19:23:16,050 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2021-10-21 19:23:16,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:23:16,050 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2021-10-21 19:23:16,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2021-10-21 19:23:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:23:16,052 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:23:16,052 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:23:16,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:16,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:23:16,277 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:23:16,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:16,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1092362962, now seen corresponding path program 1 times [2021-10-21 19:23:16,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:23:16,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268659337] [2021-10-21 19:23:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:16,279 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:23:16,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:23:16,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:23:16,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:23:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:23:17,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:23:17,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:23:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:17,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:23:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:18,488 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:23:18,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268659337] [2021-10-21 19:23:18,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268659337] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:23:18,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:23:18,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2021-10-21 19:23:18,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084383112] [2021-10-21 19:23:18,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:23:18,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:23:18,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:23:18,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:23:18,492 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:19,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:23:19,329 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2021-10-21 19:23:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:23:19,330 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:23:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:23:19,330 INFO L225 Difference]: With dead ends: 12 [2021-10-21 19:23:19,330 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:23:19,331 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1136.9ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:23:19,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:23:19,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:23:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:23:19,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-10-21 19:23:19,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:23:19,332 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:23:19,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:19,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:23:19,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:23:19,337 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:23:19,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:19,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:23:19,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:23:19,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:19,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:23:20,585 INFO L857 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-10-21 19:23:20,586 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2021-10-21 19:23:20,586 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:23:20,586 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 73) no Hoare annotation was computed. [2021-10-21 19:23:20,586 INFO L857 garLoopResultBuilder]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2021-10-21 19:23:20,586 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 111) no Hoare annotation was computed. [2021-10-21 19:23:20,586 INFO L853 garLoopResultBuilder]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2021-10-21 19:23:20,587 INFO L857 garLoopResultBuilder]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2021-10-21 19:23:20,587 INFO L853 garLoopResultBuilder]: At program point L55-6(lines 55 64) the Hoare annotation is: false [2021-10-21 19:23:20,587 INFO L857 garLoopResultBuilder]: For program point L55-7(lines 19 84) no Hoare annotation was computed. [2021-10-21 19:23:20,587 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 108) no Hoare annotation was computed. [2021-10-21 19:23:20,587 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 44) no Hoare annotation was computed. [2021-10-21 19:23:20,587 INFO L857 garLoopResultBuilder]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2021-10-21 19:23:20,587 INFO L857 garLoopResultBuilder]: For program point L40-3(lines 40 44) no Hoare annotation was computed. [2021-10-21 19:23:20,587 INFO L857 garLoopResultBuilder]: For program point L40-5(lines 40 44) no Hoare annotation was computed. [2021-10-21 19:23:20,588 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2021-10-21 19:23:20,588 INFO L857 garLoopResultBuilder]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:23:20,588 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2021-10-21 19:23:20,588 INFO L853 garLoopResultBuilder]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2021-10-21 19:23:20,588 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-10-21 19:23:20,588 INFO L857 garLoopResultBuilder]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:23:20,588 INFO L857 garLoopResultBuilder]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2021-10-21 19:23:20,589 INFO L857 garLoopResultBuilder]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:23:20,589 INFO L853 garLoopResultBuilder]: At program point L24-6(lines 24 28) the Hoare annotation is: false [2021-10-21 19:23:20,589 INFO L857 garLoopResultBuilder]: For program point L24-7(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:23:20,589 INFO L857 garLoopResultBuilder]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2021-10-21 19:23:20,589 INFO L853 garLoopResultBuilder]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2021-10-21 19:23:20,590 INFO L857 garLoopResultBuilder]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2021-10-21 19:23:20,590 INFO L857 garLoopResultBuilder]: For program point L41-7(lines 41 42) no Hoare annotation was computed. [2021-10-21 19:23:20,590 INFO L853 garLoopResultBuilder]: At program point L41-8(lines 41 42) the Hoare annotation is: false [2021-10-21 19:23:20,590 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:23:20,590 INFO L857 garLoopResultBuilder]: For program point L41-9(lines 41 42) no Hoare annotation was computed. [2021-10-21 19:23:20,590 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 161) no Hoare annotation was computed. [2021-10-21 19:23:20,591 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 177) no Hoare annotation was computed. [2021-10-21 19:23:20,591 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2021-10-21 19:23:20,591 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 141 145) the Hoare annotation is: false [2021-10-21 19:23:20,591 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-21 19:23:20,591 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 111) no Hoare annotation was computed. [2021-10-21 19:23:20,592 INFO L853 garLoopResultBuilder]: At program point L160(lines 95 162) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ 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 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x)) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))))) [2021-10-21 19:23:20,592 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:23:20,592 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-10-21 19:23:20,592 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-10-21 19:23:20,593 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2021-10-21 19:23:20,593 INFO L857 garLoopResultBuilder]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2021-10-21 19:23:20,593 INFO L853 garLoopResultBuilder]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2021-10-21 19:23:20,593 INFO L857 garLoopResultBuilder]: For program point L78-7(lines 78 82) no Hoare annotation was computed. [2021-10-21 19:23:20,593 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 161) no Hoare annotation was computed. [2021-10-21 19:23:20,594 INFO L860 garLoopResultBuilder]: At program point L179(lines 164 180) the Hoare annotation is: true [2021-10-21 19:23:20,594 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 150) no Hoare annotation was computed. [2021-10-21 19:23:20,594 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-10-21 19:23:20,594 INFO L857 garLoopResultBuilder]: For program point L146-1(lines 136 161) no Hoare annotation was computed. [2021-10-21 19:23:20,594 INFO L857 garLoopResultBuilder]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2021-10-21 19:23:20,594 INFO L857 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-10-21 19:23:20,595 INFO L857 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2021-10-21 19:23:20,595 INFO L857 garLoopResultBuilder]: For program point L47-3(lines 47 48) no Hoare annotation was computed. [2021-10-21 19:23:20,595 INFO L857 garLoopResultBuilder]: For program point L47-5(lines 47 48) no Hoare annotation was computed. [2021-10-21 19:23:20,595 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-10-21 19:23:20,595 INFO L857 garLoopResultBuilder]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2021-10-21 19:23:20,596 INFO L853 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ 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 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x)) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))))) [2021-10-21 19:23:20,596 INFO L857 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2021-10-21 19:23:20,596 INFO L853 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_acosf_~x)) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-21 19:23:20,596 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:23:20,597 INFO L857 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2021-10-21 19:23:20,597 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2021-10-21 19:23:20,597 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2021-10-21 19:23:20,597 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2021-10-21 19:23:20,597 INFO L853 garLoopResultBuilder]: At program point L83(lines 19 84) the Hoare annotation is: false [2021-10-21 19:23:20,598 INFO L853 garLoopResultBuilder]: At program point L83-1(lines 19 84) the Hoare annotation is: false [2021-10-21 19:23:20,598 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 35) no Hoare annotation was computed. [2021-10-21 19:23:20,598 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2021-10-21 19:23:20,598 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 74) no Hoare annotation was computed. [2021-10-21 19:23:20,598 INFO L857 garLoopResultBuilder]: For program point L68-2(lines 68 74) no Hoare annotation was computed. [2021-10-21 19:23:20,604 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:23:20,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,618 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,618 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,618 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,618 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,619 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,619 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,619 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,619 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,620 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,620 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,621 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,621 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,621 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,628 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,629 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,629 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,629 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,629 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,630 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,630 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,630 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,630 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,630 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,631 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,631 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,631 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,647 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,647 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:23:20 BoogieIcfgContainer [2021-10-21 19:23:20,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:23:20,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:23:20,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:23:20,650 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:23:20,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:23:11" (3/4) ... [2021-10-21 19:23:20,654 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:23:20,671 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-21 19:23:20,672 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-21 19:23:20,673 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:23:20,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:23:20,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-21 19:23:20,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) [2021-10-21 19:23:20,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) [2021-10-21 19:23:20,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:23:20,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:23:20,807 INFO L168 Benchmark]: Toolchain (without parser) took 21390.78 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 42.2 MB in the beginning and 33.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:23:20,807 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:23:20,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.30 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 27.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:23:20,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.31 ms. Allocated memory is still 62.9 MB. Free memory was 27.8 MB in the beginning and 44.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:23:20,809 INFO L168 Benchmark]: Boogie Preprocessor took 105.55 ms. Allocated memory is still 62.9 MB. Free memory was 44.6 MB in the beginning and 42.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:23:20,809 INFO L168 Benchmark]: RCFGBuilder took 11753.44 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 40.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:23:20,810 INFO L168 Benchmark]: TraceAbstraction took 8906.24 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 41.0 MB in the end (delta: -900.1 kB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:23:20,810 INFO L168 Benchmark]: Witness Printer took 155.81 ms. Allocated memory is still 75.5 MB. Free memory was 40.6 MB in the beginning and 33.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:23:20,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.30 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 27.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.31 ms. Allocated memory is still 62.9 MB. Free memory was 27.8 MB in the beginning and 44.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.55 ms. Allocated memory is still 62.9 MB. Free memory was 44.6 MB in the beginning and 42.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11753.44 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 40.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8906.24 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 41.0 MB in the end (delta: -900.1 kB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * Witness Printer took 155.81 ms. Allocated memory is still 75.5 MB. Free memory was 40.6 MB in the beginning and 33.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[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_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~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[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_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~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[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_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~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[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_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~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[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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 175]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8789.5ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 14.8ms, AutomataDifference: 1909.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1046.8ms, InitialAbstractionConstructionTime: 14.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 110 SDtfs, 43 SDslu, 19 SDs, 0 SdLazy, 25 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 955.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1928.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 45.0ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 207 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 103.4ms HoareSimplificationTime, 15 FomulaSimplificationsInter, 27 FormulaSimplificationTreeSizeReductionInter, 934.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 54.4ms SsaConstructionTime, 1971.7ms SatisfiabilityAnalysisTime, 2820.3ms InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 5 QuantifiedInterpolants, 291 SizeOfPredicates, 17 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2021-10-21 19:23:20,842 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,842 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,842 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,842 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,844 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,844 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,845 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,849 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,849 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,849 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,849 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,849 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,851 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,851 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,851 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,851 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,851 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,852 WARN L418 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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant [2021-10-21 19:23:20,860 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,861 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,861 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,861 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,861 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,862 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,863 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,863 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,863 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,863 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,864 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,864 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,864 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,864 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,864 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,865 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,865 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,865 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,868 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,869 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,869 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,869 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,869 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,870 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2021-10-21 19:23:20,871 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,871 WARN L418 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, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 98]: Loop Invariant [2021-10-21 19:23:20,874 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,874 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,874 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:23:20,875 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,875 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-21 19:23:20,875 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:23:21,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6345e8b-9c41-472c-8a16-55070a3ac2bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...