./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD --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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 ......................................................................................................................................................................................................................................................................................................................... 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_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD --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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:04:21,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:04:21,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:04:21,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:04:21,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:04:21,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:04:21,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:04:21,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:04:21,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:04:21,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:04:21,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:04:21,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:04:21,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:04:21,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:04:21,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:04:21,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:04:21,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:04:21,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:04:21,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:04:21,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:04:21,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:04:21,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:04:21,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:04:21,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:04:21,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:04:21,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:04:21,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:04:21,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:04:21,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:04:21,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:04:21,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:04:21,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:04:21,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:04:21,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:04:21,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:04:21,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:04:21,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:04:21,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:04:21,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:04:21,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:04:21,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:04:21,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:04:21,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:04:21,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:04:21,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:04:21,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:04:21,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:04:21,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:04:21,505 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:04:21,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:04:21,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:04:21,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:04:21,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:04:21,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:04:21,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:04:21,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:04:21,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:04:21,508 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:04:21,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:04:21,508 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:04:21,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:04:21,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:04:21,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:04:21,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:04:21,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:04:21,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:04:21,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:04:21,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:04:21,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:04:21,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:04:21,511 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:04:21,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:04:21,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:04:21,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:04:21,512 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_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2021-10-28 23:04:21,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:04:21,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:04:21,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:04:21,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:04:21,802 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:04:21,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2021-10-28 23:04:21,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data/cbb9618df/6cad22e2ce5e4b1e837657c6fbe002c1/FLAGd33b195fc [2021-10-28 23:04:22,456 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:04:22,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2021-10-28 23:04:22,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data/cbb9618df/6cad22e2ce5e4b1e837657c6fbe002c1/FLAGd33b195fc [2021-10-28 23:04:22,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data/cbb9618df/6cad22e2ce5e4b1e837657c6fbe002c1 [2021-10-28 23:04:22,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:04:22,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:04:22,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:04:22,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:04:22,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:04:22,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:22" (1/1) ... [2021-10-28 23:04:22,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5130cc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:22, skipping insertion in model container [2021-10-28 23:04:22,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:22" (1/1) ... [2021-10-28 23:04:22,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:04:22,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:04:23,226 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_2bcbb68e-4002-4992-bbc4-1957cd981760/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2021-10-28 23:04:23,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:04:23,251 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:04:23,330 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_2bcbb68e-4002-4992-bbc4-1957cd981760/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2021-10-28 23:04:23,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:04:23,347 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:04:23,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23 WrapperNode [2021-10-28 23:04:23,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:04:23,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:04:23,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:04:23,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:04:23,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:04:23,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:04:23,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:04:23,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:04:23,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:04:23,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:04:23,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:04:23,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:04:23,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (1/1) ... [2021-10-28 23:04:23,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:04:23,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:23,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:23,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:04:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:04:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:04:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 23:04:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:04:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 23:04:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:04:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:04:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:04:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:04:24,357 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:04:24,358 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-10-28 23:04:24,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:24 BoogieIcfgContainer [2021-10-28 23:04:24,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:04:24,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:04:24,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:04:24,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:04:24,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:04:22" (1/3) ... [2021-10-28 23:04:24,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793b2c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:04:24, skipping insertion in model container [2021-10-28 23:04:24,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:23" (2/3) ... [2021-10-28 23:04:24,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793b2c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:04:24, skipping insertion in model container [2021-10-28 23:04:24,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:24" (3/3) ... [2021-10-28 23:04:24,371 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2021-10-28 23:04:24,379 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:04:24,380 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:04:24,451 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:04:24,457 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 [2021-10-28 23:04:24,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:04:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 106 states have (on average 1.6886792452830188) internal successors, (179), 107 states have internal predecessors, (179), 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) [2021-10-28 23:04:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 23:04:24,484 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:04:24,484 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:04:24,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:04:24,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:24,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2021-10-28 23:04:24,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:04:24,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446654601] [2021-10-28 23:04:24,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:24,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:04:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:04:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:04:24,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:04:24,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446654601] [2021-10-28 23:04:24,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446654601] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:04:24,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:04:24,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:04:24,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812421447] [2021-10-28 23:04:24,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:04:24,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:04:24,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:04:24,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:04:24,694 INFO L87 Difference]: Start difference. First operand has 108 states, 106 states have (on average 1.6886792452830188) internal successors, (179), 107 states have internal predecessors, (179), 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 5.5) internal successors, (11), 2 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) [2021-10-28 23:04:24,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:04:24,726 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2021-10-28 23:04:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:04:24,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) Word has length 11 [2021-10-28 23:04:24,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:04:24,739 INFO L225 Difference]: With dead ends: 214 [2021-10-28 23:04:24,740 INFO L226 Difference]: Without dead ends: 105 [2021-10-28 23:04:24,743 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:04:24,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-28 23:04:24,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-28 23:04:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.4519230769230769) internal successors, (151), 104 states have internal predecessors, (151), 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) [2021-10-28 23:04:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-10-28 23:04:24,789 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 11 [2021-10-28 23:04:24,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:04:24,789 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-10-28 23:04:24,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-10-28 23:04:24,790 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-10-28 23:04:24,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 23:04:24,791 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:04:24,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:04:24,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:04:24,792 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:04:24,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:24,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1327273670, now seen corresponding path program 1 times [2021-10-28 23:04:24,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:04:24,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912247988] [2021-10-28 23:04:24,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:24,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:04:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:24,838 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:04:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:24,900 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:04:24,900 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:04:24,902 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:04:24,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:04:24,908 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:04:24,911 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:04:24,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:04:24 BoogieIcfgContainer [2021-10-28 23:04:24,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:04:24,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:04:24,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:04:24,948 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:04:24,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:24" (3/4) ... [2021-10-28 23:04:24,952 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:04:24,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:04:24,955 INFO L168 Benchmark]: Toolchain (without parser) took 2129.10 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 77.1 MB in the beginning and 82.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:24,955 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory was 62.1 MB in the beginning and 62.0 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:04:24,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.74 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 79.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:24,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.50 ms. Allocated memory is still 109.1 MB. Free memory was 79.1 MB in the beginning and 75.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:24,958 INFO L168 Benchmark]: Boogie Preprocessor took 69.87 ms. Allocated memory is still 109.1 MB. Free memory was 75.7 MB in the beginning and 72.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:24,958 INFO L168 Benchmark]: RCFGBuilder took 827.94 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 72.8 MB in the beginning and 110.0 MB in the end (delta: -37.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:24,959 INFO L168 Benchmark]: TraceAbstraction took 584.81 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 82.7 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:24,960 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 140.5 MB. Free memory is still 82.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:04:24,963 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 109.1 MB. Free memory was 62.1 MB in the beginning and 62.0 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.74 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 79.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.50 ms. Allocated memory is still 109.1 MB. Free memory was 79.1 MB in the beginning and 75.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.87 ms. Allocated memory is still 109.1 MB. Free memory was 75.7 MB in the beginning and 72.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 827.94 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 72.8 MB in the beginning and 110.0 MB in the end (delta: -37.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 584.81 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 82.7 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.84 ms. Allocated memory is still 140.5 MB. Free memory is still 82.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 239]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 165, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 238. Possible FailurePath: [L30] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L155] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L234] double x = 1.0; [L158] double z, p, q, r, w, s, c, df; [L159] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L161] ieee_double_shape_type gh_u; [L162] gh_u.value = (x) [L163] EXPR gh_u.parts.msw [L163] (hx) = gh_u.parts.msw [L165] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L166] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L182] COND TRUE ix <= 0x3c600000 [L183] return pio2_hi_acos + pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L235] double res = __ieee754_acos(x); [L238] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L239] reach_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 154 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-10-28 23:04:25,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/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-b2eff8b [2021-10-28 23:04:27,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:04:27,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:04:27,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:04:27,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:04:27,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:04:27,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:04:27,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:04:27,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:04:27,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:04:27,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:04:27,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:04:27,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:04:27,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:04:27,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:04:27,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:04:27,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:04:27,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:04:27,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:04:27,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:04:27,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:04:27,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:04:27,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:04:27,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:04:27,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:04:27,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:04:27,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:04:27,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:04:27,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:04:27,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:04:27,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:04:27,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:04:27,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:04:27,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:04:27,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:04:27,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:04:27,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:04:27,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:04:27,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:04:27,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:04:27,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:04:27,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:04:27,584 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:04:27,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:04:27,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:04:27,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:04:27,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:04:27,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:04:27,590 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:04:27,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:04:27,591 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:04:27,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:04:27,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:04:27,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:04:27,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:04:27,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:04:27,593 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:04:27,593 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:04:27,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:04:27,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:04:27,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:04:27,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:04:27,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:04:27,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:04:27,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:04:27,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:04:27,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:04:27,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:04:27,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:04:27,596 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:04:27,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:04:27,597 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:04:27,597 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:04:27,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:04:27,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:04:27,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:04:27,598 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_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2021-10-28 23:04:27,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:04:27,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:04:27,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:04:27,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:04:27,996 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:04:27,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2021-10-28 23:04:28,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data/f00bd3224/19361f9c23a741a8a804ad11385e3af2/FLAG5f8cc0225 [2021-10-28 23:04:28,556 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:04:28,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2021-10-28 23:04:28,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data/f00bd3224/19361f9c23a741a8a804ad11385e3af2/FLAG5f8cc0225 [2021-10-28 23:04:28,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/data/f00bd3224/19361f9c23a741a8a804ad11385e3af2 [2021-10-28 23:04:28,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:04:28,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:04:28,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:04:28,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:04:28,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:04:28,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32cb25d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28, skipping insertion in model container [2021-10-28 23:04:28,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:04:28,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:04:29,239 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_2bcbb68e-4002-4992-bbc4-1957cd981760/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2021-10-28 23:04:29,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:04:29,265 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:04:29,408 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_2bcbb68e-4002-4992-bbc4-1957cd981760/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2021-10-28 23:04:29,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:04:29,428 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:04:29,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29 WrapperNode [2021-10-28 23:04:29,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:04:29,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:04:29,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:04:29,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:04:29,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:04:29,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:04:29,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:04:29,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:04:29,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:04:29,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:04:29,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:04:29,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:04:29,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (1/1) ... [2021-10-28 23:04:29,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:04:29,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:29,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:29,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:04:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-28 23:04:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-28 23:04:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:04:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:04:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:04:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:04:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:04:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:04:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:04:54,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:04:54,463 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-10-28 23:04:54,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:54 BoogieIcfgContainer [2021-10-28 23:04:54,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:04:54,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:04:54,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:04:54,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:04:54,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:04:28" (1/3) ... [2021-10-28 23:04:54,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8aa9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:04:54, skipping insertion in model container [2021-10-28 23:04:54,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:29" (2/3) ... [2021-10-28 23:04:54,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8aa9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:04:54, skipping insertion in model container [2021-10-28 23:04:54,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:54" (3/3) ... [2021-10-28 23:04:54,478 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2021-10-28 23:04:54,485 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:04:54,485 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:04:54,544 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:04:54,552 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 [2021-10-28 23:04:54,552 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:04:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 106 states have (on average 1.6886792452830188) internal successors, (179), 107 states have internal predecessors, (179), 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) [2021-10-28 23:04:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 23:04:54,582 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:04:54,583 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:04:54,584 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:04:54,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:54,591 INFO L85 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2021-10-28 23:04:54,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:04:54,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869031361] [2021-10-28 23:04:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:54,608 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:04:54,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:04:54,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:04:54,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:04:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:04:55,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 23:04:55,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:04:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:04:55,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:04:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:04:56,289 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:04:56,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869031361] [2021-10-28 23:04:56,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869031361] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:04:56,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:04:56,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:04:56,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059091258] [2021-10-28 23:04:56,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:04:56,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:04:56,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:04:56,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:04:56,315 INFO L87 Difference]: Start difference. First operand has 108 states, 106 states have (on average 1.6886792452830188) internal successors, (179), 107 states have internal predecessors, (179), 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 5.5) internal successors, (11), 2 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) [2021-10-28 23:04:56,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:04:56,347 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2021-10-28 23:04:56,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:04:56,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) Word has length 11 [2021-10-28 23:04:56,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:04:56,361 INFO L225 Difference]: With dead ends: 214 [2021-10-28 23:04:56,362 INFO L226 Difference]: Without dead ends: 105 [2021-10-28 23:04:56,365 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:04:56,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-28 23:04:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-28 23:04:56,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.4519230769230769) internal successors, (151), 104 states have internal predecessors, (151), 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) [2021-10-28 23:04:56,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-10-28 23:04:56,415 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 11 [2021-10-28 23:04:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:04:56,416 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-10-28 23:04:56,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-10-28 23:04:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-10-28 23:04:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 23:04:56,418 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:04:56,418 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:04:56,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:56,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:04:56,632 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:04:56,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:56,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1327273670, now seen corresponding path program 1 times [2021-10-28 23:04:56,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:04:56,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007251571] [2021-10-28 23:04:56,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:56,635 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:04:56,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:04:56,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:04:56,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:04:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:04:56,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:04:56,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:04:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:04:58,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:05:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:05:00,750 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:05:00,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007251571] [2021-10-28 23:05:00,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007251571] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:05:00,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:05:00,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-28 23:05:00,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353709355] [2021-10-28 23:05:00,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:05:00,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:05:00,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:05:00,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:05:00,755 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-10-28 23:05:02,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:05:02,950 INFO L93 Difference]: Finished difference Result 114 states and 160 transitions. [2021-10-28 23:05:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:05:02,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 12 [2021-10-28 23:05:02,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:05:02,968 INFO L225 Difference]: With dead ends: 114 [2021-10-28 23:05:02,968 INFO L226 Difference]: Without dead ends: 19 [2021-10-28 23:05:02,969 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:05:02,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-28 23:05:02,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-28 23:05:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 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) [2021-10-28 23:05:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-10-28 23:05:02,975 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2021-10-28 23:05:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:05:02,976 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-10-28 23:05:02,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-10-28 23:05:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-10-28 23:05:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:05:02,977 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:05:02,978 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:05:02,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 23:05:03,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:05:03,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:05:03,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:05:03,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1300609201, now seen corresponding path program 1 times [2021-10-28 23:05:03,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:05:03,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552856542] [2021-10-28 23:05:03,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:05:03,193 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:05:03,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:05:03,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:05:03,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:05:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:05:04,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:05:04,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:05:04,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-10-28 23:05:08,447 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:05:08,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 67 [2021-10-28 23:05:09,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-10-28 23:05:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:05:10,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:05:13,582 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:05:13,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 61 [2021-10-28 23:05:13,825 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:05:13,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 63 [2021-10-28 23:05:14,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-28 23:05:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:05:16,075 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:05:16,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552856542] [2021-10-28 23:05:16,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552856542] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:05:16,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:05:16,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-28 23:05:16,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666873953] [2021-10-28 23:05:16,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:05:16,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:05:16,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:05:16,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:05:16,078 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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) [2021-10-28 23:05:18,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:05:18,484 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2021-10-28 23:05:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:05:18,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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 13 [2021-10-28 23:05:18,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:05:18,485 INFO L225 Difference]: With dead ends: 31 [2021-10-28 23:05:18,486 INFO L226 Difference]: Without dead ends: 22 [2021-10-28 23:05:18,486 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:05:18,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-28 23:05:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2021-10-28 23:05:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 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) [2021-10-28 23:05:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-28 23:05:18,492 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2021-10-28 23:05:18,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:05:18,492 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-10-28 23:05:18,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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) [2021-10-28 23:05:18,493 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-28 23:05:18,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:05:18,494 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:05:18,494 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:05:18,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:05:18,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:05:18,695 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:05:18,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:05:18,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2062223078, now seen corresponding path program 1 times [2021-10-28 23:05:18,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:05:18,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895755826] [2021-10-28 23:05:18,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:05:18,696 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:05:18,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:05:18,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:05:18,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:05:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:05:18,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:05:18,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:05:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:05:19,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:05:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:05:19,797 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:05:19,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895755826] [2021-10-28 23:05:19,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895755826] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:05:19,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:05:19,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-10-28 23:05:19,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121990319] [2021-10-28 23:05:19,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:05:19,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:05:19,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:05:19,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:05:19,800 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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) [2021-10-28 23:05:20,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:05:20,388 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2021-10-28 23:05:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:05:20,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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 14 [2021-10-28 23:05:20,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:05:20,389 INFO L225 Difference]: With dead ends: 22 [2021-10-28 23:05:20,389 INFO L226 Difference]: Without dead ends: 19 [2021-10-28 23:05:20,389 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:05:20,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-28 23:05:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-28 23:05:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 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) [2021-10-28 23:05:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-10-28 23:05:20,395 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2021-10-28 23:05:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:05:20,395 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-10-28 23:05:20,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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) [2021-10-28 23:05:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-10-28 23:05:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:05:20,397 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:05:20,397 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:05:20,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:05:20,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:05:20,603 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:05:20,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:05:20,603 INFO L85 PathProgramCache]: Analyzing trace with hash -832376325, now seen corresponding path program 1 times [2021-10-28 23:05:20,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:05:20,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864759975] [2021-10-28 23:05:20,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:05:20,604 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:05:20,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:05:20,605 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:05:20,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:05:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:05:20,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:05:20,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:05:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:05:23,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:05:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:05:25,936 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:05:25,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864759975] [2021-10-28 23:05:25,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864759975] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:05:25,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:05:25,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2021-10-28 23:05:25,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511933606] [2021-10-28 23:05:25,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-28 23:05:25,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:05:25,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 23:05:25,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:05:25,939 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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) [2021-10-28 23:05:28,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:05:28,116 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-10-28 23:05:28,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:05:28,117 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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 18 [2021-10-28 23:05:28,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:05:28,118 INFO L225 Difference]: With dead ends: 19 [2021-10-28 23:05:28,118 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:05:28,118 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:05:28,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:05:28,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:05:28,119 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) [2021-10-28 23:05:28,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:05:28,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-28 23:05:28,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:05:28,120 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:05:28,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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) [2021-10-28 23:05:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:05:28,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:05:28,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:05:28,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:05:28,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:05:28,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:05:28,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:28,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:05:32,080 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-10-28 23:05:32,081 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start___ieee754_acos_~x (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= (bvand (_ bv2147483647 32) .cse0) ULTIMATE.start___ieee754_acos_~ix~0) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_14|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0))))) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) ((_ to_fp 11 53) currentRoundingMode 1.0)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_acos_~hx~0)))) [2021-10-28 23:05:32,082 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 166 180) no Hoare annotation was computed. [2021-10-28 23:05:32,082 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2021-10-28 23:05:32,082 INFO L857 garLoopResultBuilder]: For program point L103-2(lines 103 104) no Hoare annotation was computed. [2021-10-28 23:05:32,082 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 103 104) no Hoare annotation was computed. [2021-10-28 23:05:32,082 INFO L857 garLoopResultBuilder]: For program point L103-5(lines 103 104) no Hoare annotation was computed. [2021-10-28 23:05:32,083 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 74) no Hoare annotation was computed. [2021-10-28 23:05:32,083 INFO L857 garLoopResultBuilder]: For program point L38-1(lines 38 43) no Hoare annotation was computed. [2021-10-28 23:05:32,083 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 74) no Hoare annotation was computed. [2021-10-28 23:05:32,083 INFO L853 garLoopResultBuilder]: At program point L38-2(lines 38 43) the Hoare annotation is: false [2021-10-28 23:05:32,084 INFO L857 garLoopResultBuilder]: For program point L71-3(lines 71 74) no Hoare annotation was computed. [2021-10-28 23:05:32,084 INFO L857 garLoopResultBuilder]: For program point L38-3(lines 32 140) no Hoare annotation was computed. [2021-10-28 23:05:32,084 INFO L857 garLoopResultBuilder]: For program point L71-5(lines 71 74) no Hoare annotation was computed. [2021-10-28 23:05:32,084 INFO L857 garLoopResultBuilder]: For program point L38-5(lines 38 43) no Hoare annotation was computed. [2021-10-28 23:05:32,085 INFO L853 garLoopResultBuilder]: At program point L38-6(lines 38 43) the Hoare annotation is: false [2021-10-28 23:05:32,085 INFO L857 garLoopResultBuilder]: For program point L38-7(lines 32 140) no Hoare annotation was computed. [2021-10-28 23:05:32,085 INFO L857 garLoopResultBuilder]: For program point L238(line 238) no Hoare annotation was computed. [2021-10-28 23:05:32,085 INFO L857 garLoopResultBuilder]: For program point L238-2(lines 238 241) no Hoare annotation was computed. [2021-10-28 23:05:32,086 INFO L853 garLoopResultBuilder]: At program point L139(lines 32 140) the Hoare annotation is: false [2021-10-28 23:05:32,086 INFO L853 garLoopResultBuilder]: At program point L139-1(lines 32 140) the Hoare annotation is: false [2021-10-28 23:05:32,086 INFO L857 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-10-28 23:05:32,086 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 177) no Hoare annotation was computed. [2021-10-28 23:05:32,087 INFO L857 garLoopResultBuilder]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2021-10-28 23:05:32,087 INFO L853 garLoopResultBuilder]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2021-10-28 23:05:32,087 INFO L857 garLoopResultBuilder]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2021-10-28 23:05:32,087 INFO L860 garLoopResultBuilder]: At program point L243(lines 228 244) the Hoare annotation is: true [2021-10-28 23:05:32,088 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 127) no Hoare annotation was computed. [2021-10-28 23:05:32,088 INFO L857 garLoopResultBuilder]: For program point L113-1(lines 113 127) no Hoare annotation was computed. [2021-10-28 23:05:32,088 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 225) no Hoare annotation was computed. [2021-10-28 23:05:32,088 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 126) no Hoare annotation was computed. [2021-10-28 23:05:32,089 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 54) no Hoare annotation was computed. [2021-10-28 23:05:32,089 INFO L857 garLoopResultBuilder]: For program point L115-2(lines 115 126) no Hoare annotation was computed. [2021-10-28 23:05:32,089 INFO L853 garLoopResultBuilder]: At program point L82-2(lines 82 92) the Hoare annotation is: false [2021-10-28 23:05:32,089 INFO L857 garLoopResultBuilder]: For program point L49-2(lines 49 54) no Hoare annotation was computed. [2021-10-28 23:05:32,090 INFO L857 garLoopResultBuilder]: For program point L82-3(lines 82 92) no Hoare annotation was computed. [2021-10-28 23:05:32,090 INFO L857 garLoopResultBuilder]: For program point L49-3(lines 49 54) no Hoare annotation was computed. [2021-10-28 23:05:32,090 INFO L857 garLoopResultBuilder]: For program point L49-5(lines 49 54) no Hoare annotation was computed. [2021-10-28 23:05:32,090 INFO L853 garLoopResultBuilder]: At program point L82-6(lines 82 92) the Hoare annotation is: false [2021-10-28 23:05:32,091 INFO L857 garLoopResultBuilder]: For program point L82-7(lines 82 92) no Hoare annotation was computed. [2021-10-28 23:05:32,091 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 183) no Hoare annotation was computed. [2021-10-28 23:05:32,091 INFO L857 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-10-28 23:05:32,091 INFO L857 garLoopResultBuilder]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2021-10-28 23:05:32,092 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2021-10-28 23:05:32,092 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 88) no Hoare annotation was computed. [2021-10-28 23:05:32,092 INFO L857 garLoopResultBuilder]: For program point L117-2(lines 117 125) no Hoare annotation was computed. [2021-10-28 23:05:32,092 INFO L857 garLoopResultBuilder]: For program point L84-2(lines 84 88) no Hoare annotation was computed. [2021-10-28 23:05:32,092 INFO L857 garLoopResultBuilder]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2021-10-28 23:05:32,093 INFO L857 garLoopResultBuilder]: For program point L84-5(lines 84 88) no Hoare annotation was computed. [2021-10-28 23:05:32,093 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 53) no Hoare annotation was computed. [2021-10-28 23:05:32,093 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 52 53) no Hoare annotation was computed. [2021-10-28 23:05:32,093 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:05:32,094 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2021-10-28 23:05:32,094 INFO L857 garLoopResultBuilder]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2021-10-28 23:05:32,094 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-28 23:05:32,095 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short19| (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start___ieee754_acos_~x (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= .cse0 ULTIMATE.start___ieee754_acos_~hx~0) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_14|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (= (bvor (bvadd (_ bv3222274048 32) ULTIMATE.start___ieee754_acos_~ix~0) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32))) [2021-10-28 23:05:32,095 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-10-28 23:05:32,095 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-10-28 23:05:32,095 INFO L857 garLoopResultBuilder]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2021-10-28 23:05:32,096 INFO L857 garLoopResultBuilder]: For program point L121-3(lines 121 122) no Hoare annotation was computed. [2021-10-28 23:05:32,096 INFO L857 garLoopResultBuilder]: For program point L121-5(lines 121 122) no Hoare annotation was computed. [2021-10-28 23:05:32,096 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 68) no Hoare annotation was computed. [2021-10-28 23:05:32,096 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 68) no Hoare annotation was computed. [2021-10-28 23:05:32,096 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 68) no Hoare annotation was computed. [2021-10-28 23:05:32,097 INFO L857 garLoopResultBuilder]: For program point L57-5(lines 57 68) no Hoare annotation was computed. [2021-10-28 23:05:32,097 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:05:32,097 INFO L853 garLoopResultBuilder]: At program point L58-2(lines 58 62) the Hoare annotation is: false [2021-10-28 23:05:32,097 INFO L857 garLoopResultBuilder]: For program point L58-3(lines 58 62) no Hoare annotation was computed. [2021-10-28 23:05:32,098 INFO L853 garLoopResultBuilder]: At program point L58-6(lines 58 62) the Hoare annotation is: false [2021-10-28 23:05:32,098 INFO L857 garLoopResultBuilder]: For program point L58-7(lines 58 62) no Hoare annotation was computed. [2021-10-28 23:05:32,098 INFO L853 garLoopResultBuilder]: At program point L224(lines 157 226) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start___ieee754_acos_~x (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= .cse0 ULTIMATE.start___ieee754_acos_~hx~0) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_14|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= (bvor (bvadd (_ bv3222274048 32) ULTIMATE.start___ieee754_acos_~ix~0) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32))) [2021-10-28 23:05:32,099 INFO L853 garLoopResultBuilder]: At program point L27(lines 18 28) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short19| (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (= (bvor (bvadd (_ bv3222274048 32) ULTIMATE.start___ieee754_acos_~ix~0) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32)) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) ((_ to_fp 11 53) currentRoundingMode 1.0)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_acos_~hx~0))) (exists ((|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_16|))))) [2021-10-28 23:05:32,099 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 225) no Hoare annotation was computed. [2021-10-28 23:05:32,099 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 160 164) no Hoare annotation was computed. [2021-10-28 23:05:32,099 INFO L853 garLoopResultBuilder]: At program point L160-2(lines 160 164) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2021-10-28 23:05:32,100 INFO L857 garLoopResultBuilder]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2021-10-28 23:05:32,100 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:05:32,100 INFO L853 garLoopResultBuilder]: At program point L95-2(lines 95 111) the Hoare annotation is: false [2021-10-28 23:05:32,100 INFO L857 garLoopResultBuilder]: For program point L95-3(lines 32 140) no Hoare annotation was computed. [2021-10-28 23:05:32,101 INFO L853 garLoopResultBuilder]: At program point L95-6(lines 95 111) the Hoare annotation is: false [2021-10-28 23:05:32,101 INFO L857 garLoopResultBuilder]: For program point L95-7(lines 32 140) no Hoare annotation was computed. [2021-10-28 23:05:32,101 INFO L857 garLoopResultBuilder]: For program point L63-2(lines 63 64) no Hoare annotation was computed. [2021-10-28 23:05:32,101 INFO L853 garLoopResultBuilder]: At program point L63-3(lines 63 64) the Hoare annotation is: false [2021-10-28 23:05:32,101 INFO L857 garLoopResultBuilder]: For program point L63-4(lines 63 64) no Hoare annotation was computed. [2021-10-28 23:05:32,102 INFO L857 garLoopResultBuilder]: For program point L63-7(lines 63 64) no Hoare annotation was computed. [2021-10-28 23:05:32,102 INFO L853 garLoopResultBuilder]: At program point L63-8(lines 63 64) the Hoare annotation is: false [2021-10-28 23:05:32,102 INFO L857 garLoopResultBuilder]: For program point L63-9(lines 63 64) no Hoare annotation was computed. [2021-10-28 23:05:32,102 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 131) no Hoare annotation was computed. [2021-10-28 23:05:32,103 INFO L857 garLoopResultBuilder]: For program point L130-2(lines 130 131) no Hoare annotation was computed. [2021-10-28 23:05:32,103 INFO L857 garLoopResultBuilder]: For program point L130-3(lines 130 131) no Hoare annotation was computed. [2021-10-28 23:05:32,103 INFO L857 garLoopResultBuilder]: For program point L130-5(lines 130 131) no Hoare annotation was computed. [2021-10-28 23:05:32,103 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 107) no Hoare annotation was computed. [2021-10-28 23:05:32,104 INFO L857 garLoopResultBuilder]: For program point L98-2(lines 98 107) no Hoare annotation was computed. [2021-10-28 23:05:32,104 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:05:32,104 INFO L857 garLoopResultBuilder]: For program point L98-3(lines 98 107) no Hoare annotation was computed. [2021-10-28 23:05:32,104 INFO L857 garLoopResultBuilder]: For program point L98-5(lines 98 107) no Hoare annotation was computed. [2021-10-28 23:05:32,105 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2021-10-28 23:05:32,105 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 180) no Hoare annotation was computed. [2021-10-28 23:05:32,105 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 101) no Hoare annotation was computed. [2021-10-28 23:05:32,105 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 138) no Hoare annotation was computed. [2021-10-28 23:05:32,105 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 133 138) the Hoare annotation is: false [2021-10-28 23:05:32,106 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 100 101) no Hoare annotation was computed. [2021-10-28 23:05:32,106 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 138) no Hoare annotation was computed. [2021-10-28 23:05:32,106 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 101) no Hoare annotation was computed. [2021-10-28 23:05:32,106 INFO L857 garLoopResultBuilder]: For program point L133-5(lines 133 138) no Hoare annotation was computed. [2021-10-28 23:05:32,107 INFO L857 garLoopResultBuilder]: For program point L100-5(lines 100 101) no Hoare annotation was computed. [2021-10-28 23:05:32,107 INFO L853 garLoopResultBuilder]: At program point L133-6(lines 133 138) the Hoare annotation is: false [2021-10-28 23:05:32,107 INFO L857 garLoopResultBuilder]: For program point L133-7(lines 133 138) no Hoare annotation was computed. [2021-10-28 23:05:32,111 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 23:05:32,113 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:05:32,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,153 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,153 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,158 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,158 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,158 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,159 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,159 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,160 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,160 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,161 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,161 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,161 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,161 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,162 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,162 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,162 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,163 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,163 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,165 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,165 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,165 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:05:32 BoogieIcfgContainer [2021-10-28 23:05:32,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:05:32,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:05:32,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:05:32,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:05:32,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:54" (3/4) ... [2021-10-28 23:05:32,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:05:32,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-10-28 23:05:32,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 23:05:32,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:05:32,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:05:32,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) [2021-10-28 23:05:32,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32]) == ix) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32])) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) [2021-10-28 23:05:32,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32]) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32 [2021-10-28 23:05:32,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == 0.0 && __signbit_double(res) == 0-aux && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32])) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32 [2021-10-28 23:05:32,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) && v_skolemized_q#valueAsBitvector_13[63:32] == hx)) && (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) && msw == v_skolemized_q#valueAsBitvector_16[63:32]) [2021-10-28 23:05:32,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:05:32,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:05:32,306 INFO L168 Benchmark]: Toolchain (without parser) took 63390.83 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 46.5 MB in the beginning and 57.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:05:32,307 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:05:32,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.75 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 61.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:05:32,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.82 ms. Allocated memory is still 81.8 MB. Free memory was 61.5 MB in the beginning and 58.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:05:32,308 INFO L168 Benchmark]: Boogie Preprocessor took 80.93 ms. Allocated memory is still 81.8 MB. Free memory was 58.5 MB in the beginning and 55.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:05:32,309 INFO L168 Benchmark]: RCFGBuilder took 24874.99 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 55.5 MB in the beginning and 78.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:05:32,309 INFO L168 Benchmark]: TraceAbstraction took 37697.85 ms. Allocated memory is still 104.9 MB. Free memory was 78.1 MB in the beginning and 67.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:05:32,310 INFO L168 Benchmark]: Witness Printer took 137.74 ms. Allocated memory is still 104.9 MB. Free memory was 67.6 MB in the beginning and 57.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:05:32,312 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 81.8 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 507.75 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 61.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.82 ms. Allocated memory is still 81.8 MB. Free memory was 61.5 MB in the beginning and 58.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.93 ms. Allocated memory is still 81.8 MB. Free memory was 58.5 MB in the beginning and 55.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24874.99 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 55.5 MB in the beginning and 78.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37697.85 ms. Allocated memory is still 104.9 MB. Free memory was 78.1 MB in the beginning and 67.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * Witness Printer took 137.74 ms. Allocated memory is still 104.9 MB. Free memory was 67.6 MB in the beginning and 57.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,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[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 239]: 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, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 206 SDtfs, 169 SDslu, 108 SDs, 0 SdLazy, 54 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 27 NumberOfFragments, 250 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 177 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 22.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 22 QuantifiedInterpolants, 720 SizeOfPredicates, 28 NumberOfNonLiveVariables, 332 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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: 18]: Loop Invariant [2021-10-28 23:05:32,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-28 23:05:32,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] Derived loop invariant: (((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) && v_skolemized_q#valueAsBitvector_13[63:32] == hx)) && (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) && msw == v_skolemized_q#valueAsBitvector_16[63:32]) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant [2021-10-28 23:05:32,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-28 23:05:32,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32]) == ix) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32])) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant [2021-10-28 23:05:32,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,350 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32]) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32 - InvariantResult [Line: 160]: Loop Invariant [2021-10-28 23:05:32,350 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,351 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2021-10-28 23:05:32,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:05:32,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-28 23:05:32,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-28 23:05:32,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((aux-res == 0.0 && __signbit_double(res) == 0-aux && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32])) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:05:32,578 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-28 23:05:32,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcbb68e-4002-4992-bbc4-1957cd981760/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...