./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.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_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg --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 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f ..................................................................................................................................................................................................................................................................................................................................... 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_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg --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 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:00:11,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:00:11,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:00:11,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:00:11,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:00:11,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:00:11,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:00:11,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:00:11,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:00:11,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:00:11,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:00:11,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:00:11,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:00:11,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:00:11,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:00:11,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:00:11,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:00:11,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:00:11,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:00:11,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:00:11,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:00:11,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:00:11,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:00:11,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:00:11,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:00:11,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:00:11,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:00:11,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:00:11,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:00:11,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:00:11,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:00:11,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:00:11,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:00:11,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:00:11,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:00:11,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:00:11,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:00:11,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:00:11,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:00:11,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:00:11,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:00:11,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:00:11,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:00:11,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:00:11,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:00:11,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:00:11,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:00:11,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:00:11,712 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:00:11,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:00:11,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:00:11,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:00:11,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:00:11,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:00:11,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:00:11,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:00:11,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:00:11,714 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:00:11,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:00:11,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:00:11,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:00:11,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:00:11,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:00:11,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:00:11,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:00:11,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:00:11,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:00:11,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:00:11,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:00:11,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:00:11,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:00:11,719 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:00:11,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:00:11,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:00:11,720 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_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f [2021-10-28 09:00:11,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:00:12,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:00:12,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:00:12,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:00:12,012 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:00:12,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-10-28 09:00:12,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data/17f291d73/ed51e35a5710426281f56e0990a82e91/FLAGb545257b3 [2021-10-28 09:00:12,669 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:00:12,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-10-28 09:00:12,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data/17f291d73/ed51e35a5710426281f56e0990a82e91/FLAGb545257b3 [2021-10-28 09:00:12,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data/17f291d73/ed51e35a5710426281f56e0990a82e91 [2021-10-28 09:00:12,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:00:12,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:00:12,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:00:12,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:00:12,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:00:13,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:00:12" (1/1) ... [2021-10-28 09:00:13,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca48fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13, skipping insertion in model container [2021-10-28 09:00:13,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:00:12" (1/1) ... [2021-10-28 09:00:13,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:00:13,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:00:13,272 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_11d08228-05f9-4c6c-9856-30f38d052f45/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-10-28 09:00:13,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:00:13,284 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:00:13,331 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_11d08228-05f9-4c6c-9856-30f38d052f45/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-10-28 09:00:13,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:00:13,350 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:00:13,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13 WrapperNode [2021-10-28 09:00:13,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:00:13,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:00:13,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:00:13,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:00:13,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:00:13,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:00:13,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:00:13,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:00:13,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:00:13,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:00:13,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:00:13,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:00:13,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:00:13,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:00:13,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:00:13,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:00:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:00:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:00:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 09:00:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:00:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 09:00:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:00:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:00:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:00:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-28 09:00:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:00:14,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:00:14,451 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-28 09:00:14,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:14 BoogieIcfgContainer [2021-10-28 09:00:14,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:00:14,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:00:14,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:00:14,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:00:14,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:00:12" (1/3) ... [2021-10-28 09:00:14,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a5d96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:00:14, skipping insertion in model container [2021-10-28 09:00:14,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13" (2/3) ... [2021-10-28 09:00:14,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a5d96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:00:14, skipping insertion in model container [2021-10-28 09:00:14,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:14" (3/3) ... [2021-10-28 09:00:14,463 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661a.c [2021-10-28 09:00:14,468 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:00:14,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:00:14,513 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:00:14,520 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 09:00:14,520 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:00:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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 09:00:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 09:00:14,543 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:14,544 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:14,545 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:14,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-10-28 09:00:14,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:00:14,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348418531] [2021-10-28 09:00:14,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:14,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:00:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:00:14,715 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 09:00:14,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:00:14,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348418531] [2021-10-28 09:00:14,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348418531] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:00:14,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:00:14,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:00:14,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166812588] [2021-10-28 09:00:14,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:00:14,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:00:14,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:00:14,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:00:14,739 INFO L87 Difference]: Start difference. First operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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 09:00:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:00:14,822 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2021-10-28 09:00:14,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:00:14,824 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 09:00:14,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:00:14,834 INFO L225 Difference]: With dead ends: 219 [2021-10-28 09:00:14,834 INFO L226 Difference]: Without dead ends: 107 [2021-10-28 09:00:14,838 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 09:00:14,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-28 09:00:14,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-28 09:00:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 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 09:00:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2021-10-28 09:00:14,902 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2021-10-28 09:00:14,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:00:14,903 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2021-10-28 09:00:14,904 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 09:00:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-10-28 09:00:14,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 09:00:14,905 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:14,906 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:14,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:00:14,908 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:14,914 INFO L85 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2021-10-28 09:00:14,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:00:14,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404311967] [2021-10-28 09:00:14,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:14,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:00:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:00:15,009 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:00:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:00:15,141 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:00:15,145 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:00:15,147 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:00:15,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:00:15,152 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:00:15,155 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:00:15,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:00:15 BoogieIcfgContainer [2021-10-28 09:00:15,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:00:15,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:00:15,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:00:15,223 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:00:15,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:14" (3/4) ... [2021-10-28 09:00:15,227 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:00:15,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:00:15,230 INFO L168 Benchmark]: Toolchain (without parser) took 2236.23 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 71.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:15,231 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 115.3 MB. Free memory was 86.3 MB in the beginning and 86.3 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:00:15,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.70 ms. Allocated memory is still 115.3 MB. Free memory was 80.5 MB in the beginning and 86.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:15,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.05 ms. Allocated memory is still 115.3 MB. Free memory was 86.6 MB in the beginning and 83.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:15,239 INFO L168 Benchmark]: Boogie Preprocessor took 107.48 ms. Allocated memory is still 115.3 MB. Free memory was 83.4 MB in the beginning and 80.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:15,241 INFO L168 Benchmark]: RCFGBuilder took 908.99 ms. Allocated memory is still 115.3 MB. Free memory was 80.8 MB in the beginning and 55.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:15,241 INFO L168 Benchmark]: TraceAbstraction took 765.68 ms. Allocated memory is still 115.3 MB. Free memory was 55.2 MB in the beginning and 71.0 MB in the end (delta: -15.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:00:15,242 INFO L168 Benchmark]: Witness Printer took 5.89 ms. Allocated memory is still 115.3 MB. Free memory is still 71.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:00:15,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 115.3 MB. Free memory was 86.3 MB in the beginning and 86.3 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 355.70 ms. Allocated memory is still 115.3 MB. Free memory was 80.5 MB in the beginning and 86.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.05 ms. Allocated memory is still 115.3 MB. Free memory was 86.6 MB in the beginning and 83.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.48 ms. Allocated memory is still 115.3 MB. Free memory was 83.4 MB in the beginning and 80.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 908.99 ms. Allocated memory is still 115.3 MB. Free memory was 80.8 MB in the beginning and 55.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 765.68 ms. Allocated memory is still 115.3 MB. Free memory was 55.2 MB in the beginning and 71.0 MB in the end (delta: -15.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.89 ms. Allocated memory is still 115.3 MB. Free memory is still 71.0 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: 230]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 219, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = __VERIFIER_nondet_float(); [L219] float y = -0.0f; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] COND TRUE x > 0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L227] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -0.0f VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 160 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=111occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 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 09:00:15,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/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 09:00:17,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:00:17,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:00:17,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:00:17,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:00:17,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:00:17,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:00:17,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:00:17,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:00:17,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:00:17,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:00:17,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:00:17,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:00:17,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:00:17,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:00:17,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:00:17,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:00:17,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:00:17,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:00:17,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:00:17,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:00:17,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:00:17,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:00:17,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:00:17,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:00:17,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:00:17,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:00:17,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:00:17,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:00:17,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:00:17,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:00:17,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:00:17,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:00:17,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:00:17,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:00:17,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:00:17,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:00:17,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:00:17,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:00:17,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:00:17,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:00:17,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:00:17,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:00:17,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:00:17,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:00:17,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:00:17,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:00:17,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:00:17,902 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:00:17,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:00:17,903 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:00:17,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:00:17,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:00:17,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:00:17,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:00:17,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:00:17,905 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:00:17,905 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:00:17,906 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:00:17,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:00:17,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:00:17,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:00:17,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:00:17,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:00:17,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:00:17,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:00:17,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:00:17,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:00:17,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:00:17,908 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:00:17,908 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:00:17,909 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:00:17,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:00:17,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:00:17,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:00:17,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:00:17,910 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_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435d2cdf341382667c7bd6209addbdb4d7d5465501d562ccc5200a5ca5b72f0f [2021-10-28 09:00:18,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:00:18,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:00:18,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:00:18,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:00:18,314 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:00:18,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-10-28 09:00:18,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data/c095ee743/36da7b3332fd4829a0f428c96f62ce70/FLAG040a38a8d [2021-10-28 09:00:18,921 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:00:18,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c [2021-10-28 09:00:18,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data/c095ee743/36da7b3332fd4829a0f428c96f62ce70/FLAG040a38a8d [2021-10-28 09:00:19,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/data/c095ee743/36da7b3332fd4829a0f428c96f62ce70 [2021-10-28 09:00:19,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:00:19,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:00:19,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:00:19,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:00:19,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:00:19,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190f8dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19, skipping insertion in model container [2021-10-28 09:00:19,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:00:19,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:00:19,542 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_11d08228-05f9-4c6c-9856-30f38d052f45/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-10-28 09:00:19,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:00:19,577 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:00:19,634 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_11d08228-05f9-4c6c-9856-30f38d052f45/sv-benchmarks/c/float-newlib/float_req_bl_0661a.c[5271,5284] [2021-10-28 09:00:19,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:00:19,656 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:00:19,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19 WrapperNode [2021-10-28 09:00:19,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:00:19,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:00:19,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:00:19,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:00:19,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:00:19,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:00:19,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:00:19,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:00:19,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:00:19,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:00:19,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:00:19,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:00:19,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (1/1) ... [2021-10-28 09:00:19,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:00:19,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:00:19,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:00:19,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:00:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-28 09:00:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 09:00:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:00:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-28 09:00:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:00:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:00:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:00:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-28 09:00:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:00:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:00:46,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:00:46,716 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-28 09:00:46,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:46 BoogieIcfgContainer [2021-10-28 09:00:46,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:00:46,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:00:46,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:00:46,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:00:46,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:00:19" (1/3) ... [2021-10-28 09:00:46,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e284ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:00:46, skipping insertion in model container [2021-10-28 09:00:46,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:19" (2/3) ... [2021-10-28 09:00:46,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e284ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:00:46, skipping insertion in model container [2021-10-28 09:00:46,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:46" (3/3) ... [2021-10-28 09:00:46,726 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0661a.c [2021-10-28 09:00:46,732 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:00:46,732 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:00:46,779 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:00:46,786 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 09:00:46,787 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:00:46,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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 09:00:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 09:00:46,810 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:46,811 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:46,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:46,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:46,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-10-28 09:00:46,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:00:46,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102692379] [2021-10-28 09:00:46,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:46,831 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:00:46,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:00:46,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:00:46,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:00:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:00:47,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 09:00:47,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:00:48,039 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 09:00:48,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:00:48,114 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 09:00:48,115 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:00:48,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102692379] [2021-10-28 09:00:48,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102692379] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:00:48,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:00:48,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:00:48,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586514415] [2021-10-28 09:00:48,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:00:48,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:00:48,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:00:48,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:00:48,139 INFO L87 Difference]: Start difference. First operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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 09:00:48,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:00:48,167 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2021-10-28 09:00:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:00:48,168 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 09:00:48,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:00:48,178 INFO L225 Difference]: With dead ends: 219 [2021-10-28 09:00:48,179 INFO L226 Difference]: Without dead ends: 107 [2021-10-28 09:00:48,181 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 09:00:48,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-28 09:00:48,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-28 09:00:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 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 09:00:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2021-10-28 09:00:48,226 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2021-10-28 09:00:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:00:48,227 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2021-10-28 09:00:48,227 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 09:00:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-10-28 09:00:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 09:00:48,228 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:48,228 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:48,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:00:48,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:00:48,447 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:48,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:48,447 INFO L85 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2021-10-28 09:00:48,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:00:48,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446063602] [2021-10-28 09:00:48,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:48,449 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:00:48,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:00:48,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:00:48,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:00:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:00:49,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:00:49,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:00:49,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-10-28 09:00:50,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-10-28 09:00:50,553 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 09:00:50,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:00:52,424 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 09:00:52,424 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:00:52,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446063602] [2021-10-28 09:00:52,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446063602] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:00:52,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:00:52,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-28 09:00:52,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255867038] [2021-10-28 09:00:52,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 09:00:52,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:00:52,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 09:00:52,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:00:52,428 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 09:01:07,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:07,245 INFO L93 Difference]: Finished difference Result 163 states and 235 transitions. [2021-10-28 09:01:07,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:01:07,269 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 09:01:07,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:07,270 INFO L225 Difference]: With dead ends: 163 [2021-10-28 09:01:07,271 INFO L226 Difference]: Without dead ends: 98 [2021-10-28 09:01:07,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-10-28 09:01:07,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-28 09:01:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-10-28 09:01:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 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 09:01:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2021-10-28 09:01:07,285 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 13 [2021-10-28 09:01:07,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:07,286 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2021-10-28 09:01:07,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 09:01:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2021-10-28 09:01:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:01:07,287 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:07,287 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 09:01:07,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 09:01:07,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:07,499 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:01:07,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:07,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1269233595, now seen corresponding path program 1 times [2021-10-28 09:01:07,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:07,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457286471] [2021-10-28 09:01:07,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:07,512 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:07,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:07,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:07,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:01:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:08,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:01:08,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:08,983 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 09:01:08,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:10,278 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 09:01:10,278 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:10,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457286471] [2021-10-28 09:01:10,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457286471] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:01:10,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:01:10,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-10-28 09:01:10,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306247212] [2021-10-28 09:01:10,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 09:01:10,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:01:10,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:01:10,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:01:10,282 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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 09:01:11,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:11,583 INFO L93 Difference]: Finished difference Result 163 states and 223 transitions. [2021-10-28 09:01:11,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:01:11,591 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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 09:01:11,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:11,594 INFO L225 Difference]: With dead ends: 163 [2021-10-28 09:01:11,595 INFO L226 Difference]: Without dead ends: 102 [2021-10-28 09:01:11,596 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-10-28 09:01:11,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-10-28 09:01:11,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2021-10-28 09:01:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 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 09:01:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2021-10-28 09:01:11,610 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 18 [2021-10-28 09:01:11,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:11,610 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2021-10-28 09:01:11,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 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 09:01:11,610 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2021-10-28 09:01:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:01:11,611 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:11,612 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 09:01:11,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:01:11,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:11,819 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:01:11,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:11,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1326491897, now seen corresponding path program 1 times [2021-10-28 09:01:11,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:11,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136462822] [2021-10-28 09:01:11,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:11,821 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:11,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:11,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:11,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:01:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:12,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:01:12,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:13,176 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 09:01:13,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:01:13,669 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:13,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136462822] [2021-10-28 09:01:13,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136462822] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:01:13,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:01:13,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-28 09:01:13,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3117449] [2021-10-28 09:01:13,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:01:13,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:01:13,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:01:13,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:01:13,672 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 09:01:15,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:15,927 INFO L93 Difference]: Finished difference Result 102 states and 136 transitions. [2021-10-28 09:01:15,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:01:15,928 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 09:01:15,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:15,929 INFO L225 Difference]: With dead ends: 102 [2021-10-28 09:01:15,929 INFO L226 Difference]: Without dead ends: 98 [2021-10-28 09:01:15,930 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:01:15,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-28 09:01:15,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-10-28 09:01:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 97 states have internal predecessors, (132), 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 09:01:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 132 transitions. [2021-10-28 09:01:15,948 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 132 transitions. Word has length 18 [2021-10-28 09:01:15,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:15,950 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 132 transitions. [2021-10-28 09:01:15,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 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 09:01:15,950 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 132 transitions. [2021-10-28 09:01:15,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:01:15,952 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:15,952 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:01:15,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:01:16,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:16,153 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:01:16,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:16,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1055279212, now seen corresponding path program 1 times [2021-10-28 09:01:16,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:16,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992057181] [2021-10-28 09:01:16,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:16,155 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:16,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:16,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:16,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:01:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:17,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:01:17,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:17,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-10-28 09:01:17,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-10-28 09:01:18,625 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 09:01:18,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:20,158 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 09:01:20,158 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:20,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992057181] [2021-10-28 09:01:20,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992057181] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:01:20,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:01:20,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-10-28 09:01:20,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328122850] [2021-10-28 09:01:20,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 09:01:20,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:01:20,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 09:01:20,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:01:20,160 INFO L87 Difference]: Start difference. First operand 98 states and 132 transitions. Second operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 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 09:01:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:25,909 INFO L93 Difference]: Finished difference Result 102 states and 135 transitions. [2021-10-28 09:01:25,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:01:25,942 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 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 20 [2021-10-28 09:01:25,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:25,943 INFO L225 Difference]: With dead ends: 102 [2021-10-28 09:01:25,943 INFO L226 Difference]: Without dead ends: 39 [2021-10-28 09:01:25,944 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-10-28 09:01:25,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-28 09:01:25,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-28 09:01:25,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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 09:01:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2021-10-28 09:01:25,948 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 20 [2021-10-28 09:01:25,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:25,949 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-10-28 09:01:25,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 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 09:01:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-10-28 09:01:25,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:01:25,950 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:25,950 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:01:25,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:01:26,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:26,155 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:01:26,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:26,156 INFO L85 PathProgramCache]: Analyzing trace with hash -323150641, now seen corresponding path program 1 times [2021-10-28 09:01:26,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:26,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654942782] [2021-10-28 09:01:26,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:26,157 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:26,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:26,158 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:26,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 09:01:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:27,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:01:27,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:27,702 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 09:01:27,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:28,690 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 09:01:28,691 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:28,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654942782] [2021-10-28 09:01:28,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654942782] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:01:28,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:01:28,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-10-28 09:01:28,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826903168] [2021-10-28 09:01:28,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-28 09:01:28,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:01:28,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 09:01:28,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-28 09:01:28,693 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 09:01:35,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:35,881 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2021-10-28 09:01:35,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:01:35,881 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 20 [2021-10-28 09:01:35,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:35,882 INFO L225 Difference]: With dead ends: 54 [2021-10-28 09:01:35,882 INFO L226 Difference]: Without dead ends: 33 [2021-10-28 09:01:35,883 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-10-28 09:01:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-28 09:01:35,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2021-10-28 09:01:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 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 09:01:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-10-28 09:01:35,886 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 20 [2021-10-28 09:01:35,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:35,887 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-10-28 09:01:35,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 09:01:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-10-28 09:01:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:01:35,888 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:35,888 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:01:35,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:01:36,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:36,099 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:01:36,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:36,099 INFO L85 PathProgramCache]: Analyzing trace with hash -2134513230, now seen corresponding path program 1 times [2021-10-28 09:01:36,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:36,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949555969] [2021-10-28 09:01:36,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:36,100 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:36,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:36,102 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:36,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 09:01:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:37,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:01:37,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:37,690 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 09:01:37,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:38,678 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 09:01:38,679 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:38,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949555969] [2021-10-28 09:01:38,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949555969] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:01:38,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:01:38,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-28 09:01:38,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038778183] [2021-10-28 09:01:38,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 09:01:38,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:01:38,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 09:01:38,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:01:38,681 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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 09:01:47,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:47,867 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-10-28 09:01:47,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:01:47,867 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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 22 [2021-10-28 09:01:47,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:47,868 INFO L225 Difference]: With dead ends: 33 [2021-10-28 09:01:47,868 INFO L226 Difference]: Without dead ends: 28 [2021-10-28 09:01:47,868 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2021-10-28 09:01:47,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-28 09:01:47,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-10-28 09:01:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 states have internal predecessors, (29), 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 09:01:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2021-10-28 09:01:47,872 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 22 [2021-10-28 09:01:47,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:47,872 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2021-10-28 09:01:47,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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 09:01:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2021-10-28 09:01:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 09:01:47,875 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:47,875 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:01:47,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:01:48,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:48,076 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:01:48,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:48,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1245613635, now seen corresponding path program 1 times [2021-10-28 09:01:48,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:48,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045407662] [2021-10-28 09:01:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:48,078 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:48,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:48,081 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:48,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 09:01:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:49,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:01:49,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:51,414 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 09:01:51,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:57,617 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 09:01:57,617 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:57,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045407662] [2021-10-28 09:01:57,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2045407662] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:01:57,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:01:57,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-10-28 09:01:57,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802258075] [2021-10-28 09:01:57,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:01:57,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:01:57,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:01:57,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:01:57,620 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 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 09:01:58,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:58,606 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-10-28 09:01:58,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:01:58,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 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 25 [2021-10-28 09:01:58,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:58,607 INFO L225 Difference]: With dead ends: 28 [2021-10-28 09:01:58,607 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:01:58,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-28 09:01:58,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:01:58,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:01:58,608 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 09:01:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:01:58,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-28 09:01:58,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:58,609 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:01:58,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 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 09:01:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:01:58,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:01:58,611 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:01:58,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:01:58,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:58,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:01:58,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:01:58,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:02:00,185 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-28 09:02:00,186 INFO L857 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-10-28 09:02:00,186 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:02:00,186 INFO L860 garLoopResultBuilder]: At program point L235(lines 217 236) the Hoare annotation is: true [2021-10-28 09:02:00,186 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-10-28 09:02:00,187 INFO L853 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (forall ((|v_skolemized_q#valueAsBitvector_20| (_ BitVec 32))) (or (and (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_20|) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_20|)))))) (= .cse0 |ULTIMATE.start___ieee754_atan2f_#res|) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ULTIMATE.start_main_~y~0 .cse0))) [2021-10-28 09:02:00,187 INFO L857 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:02:00,187 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-10-28 09:02:00,187 INFO L857 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:02:00,187 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:02:00,187 INFO L857 garLoopResultBuilder]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2021-10-28 09:02:00,188 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:02:00,188 INFO L857 garLoopResultBuilder]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:02:00,188 INFO L857 garLoopResultBuilder]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2021-10-28 09:02:00,188 INFO L857 garLoopResultBuilder]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2021-10-28 09:02:00,188 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-10-28 09:02:00,189 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-10-28 09:02:00,189 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-10-28 09:02:00,189 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-10-28 09:02:00,189 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-10-28 09:02:00,189 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2021-10-28 09:02:00,189 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-10-28 09:02:00,190 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-10-28 09:02:00,190 INFO L857 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-10-28 09:02:00,190 INFO L857 garLoopResultBuilder]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2021-10-28 09:02:00,190 INFO L857 garLoopResultBuilder]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2021-10-28 09:02:00,190 INFO L857 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-10-28 09:02:00,190 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-10-28 09:02:00,191 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-10-28 09:02:00,191 INFO L857 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-10-28 09:02:00,191 INFO L857 garLoopResultBuilder]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2021-10-28 09:02:00,191 INFO L857 garLoopResultBuilder]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2021-10-28 09:02:00,191 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 09:02:00,191 INFO L857 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-10-28 09:02:00,192 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-10-28 09:02:00,192 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2021-10-28 09:02:00,192 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-10-28 09:02:00,192 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-10-28 09:02:00,192 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-10-28 09:02:00,193 INFO L853 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (= ULTIMATE.start_atan_float_~x .cse0) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start_main_~y~0 .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-28 09:02:00,193 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-10-28 09:02:00,193 INFO L857 garLoopResultBuilder]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2021-10-28 09:02:00,193 INFO L853 garLoopResultBuilder]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2021-10-28 09:02:00,193 INFO L857 garLoopResultBuilder]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2021-10-28 09:02:00,193 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 09:02:00,194 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:02:00,194 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-10-28 09:02:00,194 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-10-28 09:02:00,194 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-10-28 09:02:00,194 INFO L853 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ULTIMATE.start_main_~y~0 .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-28 09:02:00,195 INFO L857 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-10-28 09:02:00,195 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-10-28 09:02:00,195 INFO L853 garLoopResultBuilder]: At program point L26(lines 14 27) the Hoare annotation is: false [2021-10-28 09:02:00,195 INFO L853 garLoopResultBuilder]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2021-10-28 09:02:00,195 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2021-10-28 09:02:00,195 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-28 09:02:00,196 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-10-28 09:02:00,196 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-10-28 09:02:00,196 INFO L857 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-10-28 09:02:00,196 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2021-10-28 09:02:00,196 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-10-28 09:02:00,196 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-10-28 09:02:00,196 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 233) no Hoare annotation was computed. [2021-10-28 09:02:00,197 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-10-28 09:02:00,197 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-28 09:02:00,197 INFO L857 garLoopResultBuilder]: For program point L226-2(lines 226 233) no Hoare annotation was computed. [2021-10-28 09:02:00,197 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:02:00,197 INFO L857 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-10-28 09:02:00,197 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-10-28 09:02:00,198 INFO L857 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-10-28 09:02:00,198 INFO L857 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-10-28 09:02:00,198 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 09:02:00,198 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-28 09:02:00,198 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-10-28 09:02:00,198 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2021-10-28 09:02:00,199 INFO L857 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-10-28 09:02:00,199 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-10-28 09:02:00,199 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2021-10-28 09:02:00,199 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 09:02:00,199 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 09:02:00,199 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-10-28 09:02:00,199 INFO L857 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-10-28 09:02:00,200 INFO L853 garLoopResultBuilder]: At program point L113-3(lines 53 115) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (= ULTIMATE.start_atan_float_~x .cse0) (= .cse0 |ULTIMATE.start_atan_float_#res|) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start_main_~y~0 .cse0))) [2021-10-28 09:02:00,200 INFO L857 garLoopResultBuilder]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2021-10-28 09:02:00,200 INFO L857 garLoopResultBuilder]: For program point L113-4(line 113) no Hoare annotation was computed. [2021-10-28 09:02:00,200 INFO L857 garLoopResultBuilder]: For program point L113-6(line 113) no Hoare annotation was computed. [2021-10-28 09:02:00,200 INFO L853 garLoopResultBuilder]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2021-10-28 09:02:00,201 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-10-28 09:02:00,201 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-28 09:02:00,201 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-10-28 09:02:00,201 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) ULTIMATE.start___ieee754_atan2f_~ix~2) (fp.gt (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24))))) (= ~huge_atan~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (fp.gt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y .cse1) (= ULTIMATE.start_main_~y~0 .cse1) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_atan~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12|) (_ bv0 32)))) (and (fp.gt (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (_ +zero 8 24)) (= .cse2 ULTIMATE.start___ieee754_atan2f_~hx~1)))))) [2021-10-28 09:02:00,201 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-10-28 09:02:00,201 INFO L857 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-10-28 09:02:00,202 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2021-10-28 09:02:00,202 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-10-28 09:02:00,202 INFO L857 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2021-10-28 09:02:00,202 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 09:02:00,202 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:02:00,202 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 230) no Hoare annotation was computed. [2021-10-28 09:02:00,203 INFO L857 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-10-28 09:02:00,203 INFO L853 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2021-10-28 09:02:00,203 INFO L857 garLoopResultBuilder]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2021-10-28 09:02:00,203 INFO L853 garLoopResultBuilder]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2021-10-28 09:02:00,203 INFO L857 garLoopResultBuilder]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2021-10-28 09:02:00,203 INFO L853 garLoopResultBuilder]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2021-10-28 09:02:00,204 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-10-28 09:02:00,204 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-10-28 09:02:00,204 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-10-28 09:02:00,204 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2021-10-28 09:02:00,204 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 09:02:00,204 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-28 09:02:00,207 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:02:00,209 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:02:00,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,219 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,228 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,229 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,234 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,235 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,236 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,237 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:02:00 BoogieIcfgContainer [2021-10-28 09:02:00,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:02:00,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:02:00,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:02:00,247 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:02:00,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:46" (3/4) ... [2021-10-28 09:02:00,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:02:00,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-28 09:02:00,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-28 09:02:00,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:02:00,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:02:00,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE())) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][22:0]), ~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32] == hx) [2021-10-28 09:02:00,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (forall v_skolemized_q#valueAsBitvector_20 : bv32 :: (!~bvsgt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_20), 2139095040bv32) && !~bvsgt32(~bvand32(2147483647bv32, hx), 2139095040bv32)) || !(y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_20[31:31], v_skolemized_q#valueAsBitvector_20[30:23], v_skolemized_q#valueAsBitvector_20[22:0])))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2021-10-28 09:02:00,295 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 09:02:00,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2021-10-28 09:02:00,331 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:02:00,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:02:00,332 INFO L168 Benchmark]: Toolchain (without parser) took 101068.94 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 43.8 MB in the beginning and 39.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:00,333 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 65.0 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:02:00,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.96 ms. Allocated memory is still 65.0 MB. Free memory was 43.6 MB in the beginning and 42.7 MB in the end (delta: 839.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:00,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.11 ms. Allocated memory is still 65.0 MB. Free memory was 42.7 MB in the beginning and 39.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:00,334 INFO L168 Benchmark]: Boogie Preprocessor took 69.26 ms. Allocated memory is still 65.0 MB. Free memory was 39.2 MB in the beginning and 35.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:00,334 INFO L168 Benchmark]: RCFGBuilder took 26925.56 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 35.8 MB in the beginning and 65.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:00,335 INFO L168 Benchmark]: TraceAbstraction took 73526.18 ms. Allocated memory is still 88.1 MB. Free memory was 64.6 MB in the beginning and 47.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:00,335 INFO L168 Benchmark]: Witness Printer took 84.52 ms. Allocated memory is still 88.1 MB. Free memory was 47.5 MB in the beginning and 39.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:00,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 65.0 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 393.96 ms. Allocated memory is still 65.0 MB. Free memory was 43.6 MB in the beginning and 42.7 MB in the end (delta: 839.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.11 ms. Allocated memory is still 65.0 MB. Free memory was 42.7 MB in the beginning and 39.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.26 ms. Allocated memory is still 65.0 MB. Free memory was 39.2 MB in the beginning and 35.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 26925.56 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 35.8 MB in the beginning and 65.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 73526.18 ms. Allocated memory is still 88.1 MB. Free memory was 64.6 MB in the beginning and 47.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * Witness Printer took 84.52 ms. Allocated memory is still 88.1 MB. Free memory was 47.5 MB in the beginning and 39.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 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[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,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: 230]: 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, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 73.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 616 SDtfs, 2739 SDslu, 1135 SDs, 0 SdLazy, 304 SolverSat, 33 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 36.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, InterpolantAutomatonStates: 52, 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, 8 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 22 NumberOfFragments, 371 HoareAnnotationTreeSize, 15 FomulaSimplifications, 733 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.5s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 278 ConstructedInterpolants, 43 QuantifiedInterpolants, 2258 SizeOfPredicates, 61 NumberOfNonLiveVariables, 969 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant [2021-10-28 09:02:00,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,352 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] Derived loop invariant: (((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant [2021-10-28 09:02:00,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,358 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,358 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,358 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,358 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,359 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,359 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,359 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,360 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,360 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,360 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,360 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,360 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 130]: Loop Invariant [2021-10-28 09:02:00,361 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,363 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,363 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,363 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-10-28 09:02:00,364 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] [2021-10-28 09:02:00,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12,QUANTIFIED] Derived loop invariant: (((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE())) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32][22:0]), ~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_12][0bv32] == hx) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2021-10-28 09:02:00,367 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:02:00,367 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_atan) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 120]: Loop Invariant [2021-10-28 09:02:00,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-10-28 09:02:00,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-10-28 09:02:00,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-10-28 09:02:00,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] Derived loop invariant: ((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (forall v_skolemized_q#valueAsBitvector_20 : bv32 :: (!~bvsgt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_20), 2139095040bv32) && !~bvsgt32(~bvand32(2147483647bv32, hx), 2139095040bv32)) || !(y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_20[31:31], v_skolemized_q#valueAsBitvector_20[30:23], v_skolemized_q#valueAsBitvector_20[22:0])))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result) && (\exists v_arrayElimCell_1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix)) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:02:00,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11d08228-05f9-4c6c-9856-30f38d052f45/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...