./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa --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 c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:55:58,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:55:58,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:55:58,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:55:58,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:55:58,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:55:58,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:55:58,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:55:58,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:55:58,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:55:58,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:55:58,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:55:58,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:55:58,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:55:58,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:55:58,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:55:58,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:55:58,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:55:58,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:55:58,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:55:58,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:55:58,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:55:58,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:55:58,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:55:58,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:55:58,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:55:58,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:55:58,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:55:58,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:55:58,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:55:58,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:55:58,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:55:58,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:55:58,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:55:58,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:55:58,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:55:58,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:55:58,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:55:58,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:55:58,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:55:58,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:55:58,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:55:58,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:55:58,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:55:58,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:55:58,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:55:58,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:55:58,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:55:58,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:55:58,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:55:58,630 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:55:58,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:55:58,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:55:58,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:55:58,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:55:58,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:55:58,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:55:58,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:55:58,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:55:58,631 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:55:58,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:55:58,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:55:58,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:55:58,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:55:58,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:55:58,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:55:58,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:55:58,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:55:58,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:55:58,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:55:58,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:55:58,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:55:58,633 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:55:58,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:55:58,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:55:58,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:55:58,634 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_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2021-12-07 00:55:58,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:55:58,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:55:58,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:55:58,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:55:58,818 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:55:58,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2021-12-07 00:55:58,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data/b62472b55/7d241431ea5243ff99fe22252e3e5fee/FLAG92a09b5a3 [2021-12-07 00:55:59,297 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:55:59,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2021-12-07 00:55:59,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data/b62472b55/7d241431ea5243ff99fe22252e3e5fee/FLAG92a09b5a3 [2021-12-07 00:55:59,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data/b62472b55/7d241431ea5243ff99fe22252e3e5fee [2021-12-07 00:55:59,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:55:59,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:55:59,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:55:59,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:55:59,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:55:59,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a3adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59, skipping insertion in model container [2021-12-07 00:55:59,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:55:59,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:55:59,821 WARN L230 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_dbc07181-08fd-47bb-852a-1ff12ac72713/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2021-12-07 00:55:59,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:55:59,830 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:55:59,862 WARN L230 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_dbc07181-08fd-47bb-852a-1ff12ac72713/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2021-12-07 00:55:59,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:55:59,875 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:55:59,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59 WrapperNode [2021-12-07 00:55:59,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:55:59,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:55:59,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:55:59,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:55:59,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,917 INFO L137 Inliner]: procedures = 21, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2021-12-07 00:55:59,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:55:59,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:55:59,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:55:59,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:55:59,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:55:59,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:55:59,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:55:59,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:55:59,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (1/1) ... [2021-12-07 00:55:59,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:55:59,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:59,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:59,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:56:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-07 00:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-07 00:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-07 00:56:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-07 00:56:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:56:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:56:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:56:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-07 00:56:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-07 00:56:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-07 00:56:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:56:00,098 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:56:00,099 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:56:00,386 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:56:00,391 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:56:00,391 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-12-07 00:56:00,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:00 BoogieIcfgContainer [2021-12-07 00:56:00,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:56:00,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:56:00,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:56:00,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:56:00,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:55:59" (1/3) ... [2021-12-07 00:56:00,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27077dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:56:00, skipping insertion in model container [2021-12-07 00:56:00,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:55:59" (2/3) ... [2021-12-07 00:56:00,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27077dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:56:00, skipping insertion in model container [2021-12-07 00:56:00,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:00" (3/3) ... [2021-12-07 00:56:00,399 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683a.c [2021-12-07 00:56:00,402 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:56:00,402 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:56:00,436 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:56:00,441 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 [2021-12-07 00:56:00,442 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:56:00,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-07 00:56:00,459 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:00,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:56:00,460 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:00,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:00,464 INFO L85 PathProgramCache]: Analyzing trace with hash 430940660, now seen corresponding path program 1 times [2021-12-07 00:56:00,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:56:00,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215165875] [2021-12-07 00:56:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:00,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:56:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:00,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:56:00,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215165875] [2021-12-07 00:56:00,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215165875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:00,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:00,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:56:00,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306053456] [2021-12-07 00:56:00,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:00,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:56:00,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:56:00,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:56:00,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:56:00,612 INFO L87 Difference]: Start difference. First operand has 101 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-12-07 00:56:00,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:00,636 INFO L93 Difference]: Finished difference Result 200 states and 324 transitions. [2021-12-07 00:56:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:56:00,637 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2021-12-07 00:56:00,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:00,644 INFO L225 Difference]: With dead ends: 200 [2021-12-07 00:56:00,644 INFO L226 Difference]: Without dead ends: 97 [2021-12-07 00:56:00,647 INFO L932 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 [2021-12-07 00:56:00,649 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:00,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:56:00,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-12-07 00:56:00,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-12-07 00:56:00,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-12-07 00:56:00,682 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 15 [2021-12-07 00:56:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:00,683 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-12-07 00:56:00,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-12-07 00:56:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-12-07 00:56:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-07 00:56:00,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:00,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:56:00,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:56:00,684 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:00,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:00,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1163254418, now seen corresponding path program 1 times [2021-12-07 00:56:00,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:56:00,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304906088] [2021-12-07 00:56:00,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:00,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:56:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:56:00,750 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:56:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:56:00,805 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:56:00,806 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:56:00,807 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:56:00,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:56:00,811 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-07 00:56:00,813 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:56:00,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:56:00 BoogieIcfgContainer [2021-12-07 00:56:00,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:56:00,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:56:00,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:56:00,843 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:56:00,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:00" (3/4) ... [2021-12-07 00:56:00,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:56:00,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:56:00,846 INFO L158 Benchmark]: Toolchain (without parser) took 1197.52ms. Allocated memory is still 100.7MB. Free memory was 80.0MB in the beginning and 36.5MB in the end (delta: 43.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2021-12-07 00:56:00,847 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:56:00,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.72ms. Allocated memory is still 100.7MB. Free memory was 79.7MB in the beginning and 73.2MB in the end (delta: 6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:56:00,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.67ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 70.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 00:56:00,848 INFO L158 Benchmark]: Boogie Preprocessor took 33.51ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 68.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:56:00,848 INFO L158 Benchmark]: RCFGBuilder took 441.04ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 73.1MB in the end (delta: -5.0MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-07 00:56:00,849 INFO L158 Benchmark]: TraceAbstraction took 448.35ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 36.5MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-07 00:56:00,849 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 100.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:56:00,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.72ms. Allocated memory is still 100.7MB. Free memory was 79.7MB in the beginning and 73.2MB in the end (delta: 6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.67ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 70.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.51ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 68.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.04ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 73.1MB in the end (delta: -5.0MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 448.35ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 36.5MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 100.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 257]: 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 256, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, 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={4:0}, atanlo_atan={5:0}, 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] [L249] float x = 1.0f / 0.0f; [L250] float y = __VERIFIER_nondet_float(); [L252] CALL, EXPR isfinite_float(y) [L231] __int32_t ix; VAL [\old(x)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, zero_atan2=0] [L233] ieee_float_shape_type gf_u; [L234] gf_u.value = (x) [L235] EXPR gf_u.word [L235] (ix) = gf_u.word [L237] ix &= 0x7fffffff [L238] return (((ix) < 0x7f800000L)); VAL [\old(x)=1000000000000000000000000000001, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, ix=2139095039, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, zero_atan2=0] [L252] RET, EXPR isfinite_float(y) [L252] COND TRUE isfinite_float(y) && y < 0.0f [L253] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, 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 [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, 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 [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=-1, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L253] RET, EXPR __ieee754_atan2f(y, x) [L253] float res = __ieee754_atan2f(y, x); [L256] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, res == -0.0f && __signbit_float(res) == 1=0, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L256] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L257] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 142 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 142 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=101occurred 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, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 [2021-12-07 00:56:00,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa --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 c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:56:02,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:56:02,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:56:02,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:56:02,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:56:02,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:56:02,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:56:02,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:56:02,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:56:02,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:56:02,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:56:02,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:56:02,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:56:02,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:56:02,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:56:02,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:56:02,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:56:02,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:56:02,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:56:02,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:56:02,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:56:02,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:56:02,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:56:02,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:56:02,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:56:02,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:56:02,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:56:02,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:56:02,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:56:02,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:56:02,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:56:02,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:56:02,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:56:02,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:56:02,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:56:02,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:56:02,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:56:02,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:56:02,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:56:02,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:56:02,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:56:02,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-07 00:56:02,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:56:02,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:56:02,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:56:02,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:56:02,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:56:02,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:56:02,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:56:02,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:56:02,476 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:56:02,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:56:02,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:56:02,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:56:02,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:56:02,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:56:02,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:56:02,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:56:02,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 00:56:02,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 00:56:02,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 00:56:02,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:56:02,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:56:02,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:56:02,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:56:02,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:56:02,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:56:02,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:56:02,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:56:02,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:56:02,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:56:02,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:56:02,479 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 00:56:02,479 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 00:56:02,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:56:02,479 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:56:02,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:56:02,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:56:02,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 00:56:02,480 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_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2021-12-07 00:56:02,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:56:02,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:56:02,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:56:02,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:56:02,717 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:56:02,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2021-12-07 00:56:02,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data/28d79c519/e00558ee4f194c409edad5225a8b11c4/FLAG5ce8f8b7f [2021-12-07 00:56:03,164 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:56:03,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2021-12-07 00:56:03,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data/28d79c519/e00558ee4f194c409edad5225a8b11c4/FLAG5ce8f8b7f [2021-12-07 00:56:03,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/data/28d79c519/e00558ee4f194c409edad5225a8b11c4 [2021-12-07 00:56:03,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:56:03,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:56:03,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:56:03,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:56:03,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:56:03,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5bddb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03, skipping insertion in model container [2021-12-07 00:56:03,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:56:03,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:56:03,363 WARN L230 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_dbc07181-08fd-47bb-852a-1ff12ac72713/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2021-12-07 00:56:03,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:56:03,375 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:56:03,412 WARN L230 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_dbc07181-08fd-47bb-852a-1ff12ac72713/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2021-12-07 00:56:03,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:56:03,427 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:56:03,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03 WrapperNode [2021-12-07 00:56:03,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:56:03,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:56:03,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:56:03,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:56:03,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,467 INFO L137 Inliner]: procedures = 24, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 261 [2021-12-07 00:56:03,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:56:03,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:56:03,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:56:03,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:56:03,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:56:03,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:56:03,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:56:03,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:56:03,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (1/1) ... [2021-12-07 00:56:03,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:56:03,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:03,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:03,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:56:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:56:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-07 00:56:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-07 00:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-07 00:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-07 00:56:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-07 00:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-07 00:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:56:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-07 00:56:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-07 00:56:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-07 00:56:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-07 00:56:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:56:03,630 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:56:03,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:56:15,925 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:56:15,931 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:56:15,931 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-12-07 00:56:15,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:15 BoogieIcfgContainer [2021-12-07 00:56:15,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:56:15,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:56:15,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:56:15,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:56:15,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:56:03" (1/3) ... [2021-12-07 00:56:15,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587e6a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:56:15, skipping insertion in model container [2021-12-07 00:56:15,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:03" (2/3) ... [2021-12-07 00:56:15,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587e6a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:56:15, skipping insertion in model container [2021-12-07 00:56:15,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:15" (3/3) ... [2021-12-07 00:56:15,938 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683a.c [2021-12-07 00:56:15,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:56:15,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:56:15,976 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:56:15,981 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 [2021-12-07 00:56:15,982 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:56:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-07 00:56:15,998 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:15,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:56:15,999 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:16,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:16,003 INFO L85 PathProgramCache]: Analyzing trace with hash 430940660, now seen corresponding path program 1 times [2021-12-07 00:56:16,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:16,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453304879] [2021-12-07 00:56:16,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:16,013 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:16,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:16,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:16,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-07 00:56:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:16,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-07 00:56:16,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:16,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:16,933 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:16,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453304879] [2021-12-07 00:56:16,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453304879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:16,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:16,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:56:16,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192536452] [2021-12-07 00:56:16,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:16,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:56:16,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:16,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:56:16,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:56:16,964 INFO L87 Difference]: Start difference. First operand has 101 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-12-07 00:56:16,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:16,987 INFO L93 Difference]: Finished difference Result 200 states and 324 transitions. [2021-12-07 00:56:16,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:56:16,989 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2021-12-07 00:56:16,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:16,998 INFO L225 Difference]: With dead ends: 200 [2021-12-07 00:56:16,998 INFO L226 Difference]: Without dead ends: 97 [2021-12-07 00:56:17,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:56:17,006 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:17,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:56:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-12-07 00:56:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-12-07 00:56:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:17,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-12-07 00:56:17,041 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 15 [2021-12-07 00:56:17,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:17,042 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-12-07 00:56:17,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-12-07 00:56:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-12-07 00:56:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-07 00:56:17,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:17,043 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:56:17,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:56:17,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:17,244 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:17,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:17,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1163254418, now seen corresponding path program 1 times [2021-12-07 00:56:17,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:17,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393668140] [2021-12-07 00:56:17,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:17,246 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:17,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:17,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:17,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-07 00:56:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:18,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-07 00:56:18,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:18,401 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 11 treesize of output 7 [2021-12-07 00:56:18,784 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 36 treesize of output 20 [2021-12-07 00:56:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:20,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:20,458 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:20,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393668140] [2021-12-07 00:56:20,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393668140] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:20,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:20,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:56:20,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310375092] [2021-12-07 00:56:20,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:20,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:56:20,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:20,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:56:20,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:56:20,461 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:56:20,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:20,482 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2021-12-07 00:56:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:56:20,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-12-07 00:56:20,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:20,484 INFO L225 Difference]: With dead ends: 106 [2021-12-07 00:56:20,484 INFO L226 Difference]: Without dead ends: 97 [2021-12-07 00:56:20,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:56:20,485 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:20,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 847 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 62 Unchecked, 0.0s Time] [2021-12-07 00:56:20,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-12-07 00:56:20,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-12-07 00:56:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 90 states have internal predecessors, (128), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2021-12-07 00:56:20,494 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 18 [2021-12-07 00:56:20,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:20,495 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2021-12-07 00:56:20,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:56:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2021-12-07 00:56:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 00:56:20,496 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:20,496 INFO L514 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] [2021-12-07 00:56:20,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-07 00:56:20,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:20,698 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:20,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:20,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2013957526, now seen corresponding path program 1 times [2021-12-07 00:56:20,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:20,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672969911] [2021-12-07 00:56:20,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:20,703 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:20,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:20,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:20,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-07 00:56:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:21,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:56:21,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:22,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:22,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:22,180 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:22,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672969911] [2021-12-07 00:56:22,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672969911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:22,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:22,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:56:22,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439690939] [2021-12-07 00:56:22,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:22,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:56:22,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:22,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:56:22,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:56:22,183 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-12-07 00:56:22,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:22,196 INFO L93 Difference]: Finished difference Result 115 states and 154 transitions. [2021-12-07 00:56:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:56:22,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2021-12-07 00:56:22,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:22,198 INFO L225 Difference]: With dead ends: 115 [2021-12-07 00:56:22,198 INFO L226 Difference]: Without dead ends: 104 [2021-12-07 00:56:22,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:56:22,200 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 22 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:22,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 603 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2021-12-07 00:56:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-07 00:56:22,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2021-12-07 00:56:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 88 states have (on average 1.4090909090909092) internal successors, (124), 88 states have internal predecessors, (124), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2021-12-07 00:56:22,207 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 23 [2021-12-07 00:56:22,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:22,208 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2021-12-07 00:56:22,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-12-07 00:56:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2021-12-07 00:56:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 00:56:22,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:22,209 INFO L514 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] [2021-12-07 00:56:22,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-07 00:56:22,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:22,411 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:22,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:22,413 INFO L85 PathProgramCache]: Analyzing trace with hash 688473172, now seen corresponding path program 1 times [2021-12-07 00:56:22,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:22,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107423633] [2021-12-07 00:56:22,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:22,415 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:22,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:22,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:22,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-07 00:56:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:23,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:56:23,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:23,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:23,610 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:23,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107423633] [2021-12-07 00:56:23,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107423633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:23,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:23,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:56:23,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610522407] [2021-12-07 00:56:23,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:23,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:56:23,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:23,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:56:23,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:56:23,612 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-12-07 00:56:25,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:25,980 INFO L93 Difference]: Finished difference Result 175 states and 242 transitions. [2021-12-07 00:56:25,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:56:25,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 23 [2021-12-07 00:56:25,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:25,985 INFO L225 Difference]: With dead ends: 175 [2021-12-07 00:56:25,985 INFO L226 Difference]: Without dead ends: 98 [2021-12-07 00:56:25,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:56:25,987 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 15 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:25,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 476 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 9 Unchecked, 0.2s Time] [2021-12-07 00:56:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-12-07 00:56:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2021-12-07 00:56:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:25,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2021-12-07 00:56:25,997 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 23 [2021-12-07 00:56:25,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:25,998 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2021-12-07 00:56:25,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-12-07 00:56:25,998 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2021-12-07 00:56:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-07 00:56:25,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:25,999 INFO L514 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] [2021-12-07 00:56:26,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-07 00:56:26,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:26,201 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:26,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:26,203 INFO L85 PathProgramCache]: Analyzing trace with hash 321927763, now seen corresponding path program 1 times [2021-12-07 00:56:26,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:26,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504677548] [2021-12-07 00:56:26,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:26,207 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:26,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:26,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:26,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-07 00:56:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:27,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-07 00:56:27,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:32,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:32,765 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:32,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504677548] [2021-12-07 00:56:32,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504677548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:32,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:32,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:56:32,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662469324] [2021-12-07 00:56:32,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:32,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:56:32,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:32,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:56:32,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=55, Unknown=2, NotChecked=0, Total=72 [2021-12-07 00:56:32,768 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:56:33,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:33,039 INFO L93 Difference]: Finished difference Result 157 states and 210 transitions. [2021-12-07 00:56:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:56:33,039 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-12-07 00:56:33,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:33,040 INFO L225 Difference]: With dead ends: 157 [2021-12-07 00:56:33,040 INFO L226 Difference]: Without dead ends: 94 [2021-12-07 00:56:33,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=23, Invalid=85, Unknown=2, NotChecked=0, Total=110 [2021-12-07 00:56:33,042 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 14 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:33,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 843 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 23 Unchecked, 0.0s Time] [2021-12-07 00:56:33,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-12-07 00:56:33,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84. [2021-12-07 00:56:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 77 states have internal predecessors, (103), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:33,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 111 transitions. [2021-12-07 00:56:33,050 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 111 transitions. Word has length 24 [2021-12-07 00:56:33,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:33,050 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 111 transitions. [2021-12-07 00:56:33,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:56:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2021-12-07 00:56:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-07 00:56:33,051 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:33,051 INFO L514 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] [2021-12-07 00:56:33,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-07 00:56:33,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:33,253 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:33,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:33,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1031191891, now seen corresponding path program 1 times [2021-12-07 00:56:33,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:33,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331743518] [2021-12-07 00:56:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:33,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:33,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:33,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:33,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-07 00:56:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:34,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 00:56:34,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:34,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:34,555 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:34,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331743518] [2021-12-07 00:56:34,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331743518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:34,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:34,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:56:34,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716418331] [2021-12-07 00:56:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:34,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:56:34,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:56:34,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:56:34,557 INFO L87 Difference]: Start difference. First operand 84 states and 111 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:56:34,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:34,906 INFO L93 Difference]: Finished difference Result 108 states and 140 transitions. [2021-12-07 00:56:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:56:34,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-12-07 00:56:34,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:34,909 INFO L225 Difference]: With dead ends: 108 [2021-12-07 00:56:34,909 INFO L226 Difference]: Without dead ends: 99 [2021-12-07 00:56:34,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:56:34,910 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 55 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:34,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 499 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 15 Unchecked, 0.2s Time] [2021-12-07 00:56:34,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-12-07 00:56:34,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 84. [2021-12-07 00:56:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 110 transitions. [2021-12-07 00:56:34,922 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 110 transitions. Word has length 24 [2021-12-07 00:56:34,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:34,922 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 110 transitions. [2021-12-07 00:56:34,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:56:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 110 transitions. [2021-12-07 00:56:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-07 00:56:34,923 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:34,923 INFO L514 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] [2021-12-07 00:56:34,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-07 00:56:35,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:35,125 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:35,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:35,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1872948985, now seen corresponding path program 1 times [2021-12-07 00:56:35,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:35,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790712942] [2021-12-07 00:56:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:35,130 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:35,131 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:35,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-07 00:56:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:35,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 00:56:35,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:36,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:36,423 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:36,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790712942] [2021-12-07 00:56:36,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790712942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:36,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:36,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:56:36,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527281798] [2021-12-07 00:56:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:36,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:56:36,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:36,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:56:36,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:56:36,425 INFO L87 Difference]: Start difference. First operand 84 states and 110 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-12-07 00:56:36,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:36,442 INFO L93 Difference]: Finished difference Result 96 states and 121 transitions. [2021-12-07 00:56:36,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:56:36,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 [2021-12-07 00:56:36,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:36,444 INFO L225 Difference]: With dead ends: 96 [2021-12-07 00:56:36,444 INFO L226 Difference]: Without dead ends: 93 [2021-12-07 00:56:36,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:56:36,445 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 93 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:36,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 325 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2021-12-07 00:56:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-12-07 00:56:36,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 86. [2021-12-07 00:56:36,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.3164556962025316) internal successors, (104), 79 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 112 transitions. [2021-12-07 00:56:36,452 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 112 transitions. Word has length 25 [2021-12-07 00:56:36,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:36,452 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 112 transitions. [2021-12-07 00:56:36,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-12-07 00:56:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 112 transitions. [2021-12-07 00:56:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-07 00:56:36,454 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:36,454 INFO L514 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] [2021-12-07 00:56:36,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-07 00:56:36,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:36,654 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:36,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:36,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1223545469, now seen corresponding path program 1 times [2021-12-07 00:56:36,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:36,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59460882] [2021-12-07 00:56:36,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:36,655 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:36,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:36,656 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:36,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-07 00:56:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:37,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:56:37,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:38,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:38,136 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:38,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59460882] [2021-12-07 00:56:38,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59460882] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:38,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:38,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:56:38,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287711978] [2021-12-07 00:56:38,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:38,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:56:38,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:38,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:56:38,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:56:38,138 INFO L87 Difference]: Start difference. First operand 86 states and 112 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-07 00:56:38,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:38,145 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2021-12-07 00:56:38,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:56:38,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 [2021-12-07 00:56:38,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:38,147 INFO L225 Difference]: With dead ends: 153 [2021-12-07 00:56:38,147 INFO L226 Difference]: Without dead ends: 95 [2021-12-07 00:56:38,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:56:38,148 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 11 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:38,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 532 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-12-07 00:56:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-12-07 00:56:38,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 86. [2021-12-07 00:56:38,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 00:56:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2021-12-07 00:56:38,154 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2021-12-07 00:56:38,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:38,154 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2021-12-07 00:56:38,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-07 00:56:38,154 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2021-12-07 00:56:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-07 00:56:38,155 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:38,155 INFO L514 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, 1] [2021-12-07 00:56:38,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-07 00:56:38,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:38,356 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:38,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:38,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2092734568, now seen corresponding path program 1 times [2021-12-07 00:56:38,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:38,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955486450] [2021-12-07 00:56:38,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:38,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:38,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:38,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:38,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-07 00:56:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:39,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 00:56:39,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:40,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:40,340 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:40,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955486450] [2021-12-07 00:56:40,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955486450] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:40,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:40,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:56:40,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909697842] [2021-12-07 00:56:40,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:40,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:56:40,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:40,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:56:40,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:56:40,341 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2021-12-07 00:56:40,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:40,353 INFO L93 Difference]: Finished difference Result 132 states and 166 transitions. [2021-12-07 00:56:40,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:56:40,354 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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 26 [2021-12-07 00:56:40,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:40,354 INFO L225 Difference]: With dead ends: 132 [2021-12-07 00:56:40,354 INFO L226 Difference]: Without dead ends: 71 [2021-12-07 00:56:40,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:56:40,355 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 9 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:40,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 461 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-12-07 00:56:40,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-07 00:56:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64. [2021-12-07 00:56:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 59 states have internal predecessors, (72), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:56:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2021-12-07 00:56:40,360 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 26 [2021-12-07 00:56:40,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:40,361 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2021-12-07 00:56:40,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2021-12-07 00:56:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2021-12-07 00:56:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-07 00:56:40,362 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:40,362 INFO L514 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, 1, 1, 1, 1] [2021-12-07 00:56:40,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-07 00:56:40,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:40,563 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:40,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:40,564 INFO L85 PathProgramCache]: Analyzing trace with hash 974891071, now seen corresponding path program 1 times [2021-12-07 00:56:40,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:40,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482220667] [2021-12-07 00:56:40,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:40,565 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:40,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:40,567 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:40,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-07 00:56:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:41,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-07 00:56:41,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:41,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:41,865 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:41,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482220667] [2021-12-07 00:56:41,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482220667] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:41,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:41,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:56:41,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653466736] [2021-12-07 00:56:41,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:41,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:56:41,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:41,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:56:41,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:56:41,867 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:56:41,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:41,869 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2021-12-07 00:56:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:56:41,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-07 00:56:41,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:41,870 INFO L225 Difference]: With dead ends: 71 [2021-12-07 00:56:41,870 INFO L226 Difference]: Without dead ends: 30 [2021-12-07 00:56:41,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:56:41,871 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:41,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-12-07 00:56:41,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-12-07 00:56:41,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-12-07 00:56:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0) internal successors, (29), 29 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) [2021-12-07 00:56:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2021-12-07 00:56:41,874 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 29 [2021-12-07 00:56:41,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:41,874 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2021-12-07 00:56:41,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:56:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2021-12-07 00:56:41,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-07 00:56:41,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:41,875 INFO L514 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, 1, 1, 1, 1] [2021-12-07 00:56:41,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-07 00:56:42,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:42,077 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:42,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1436513358, now seen corresponding path program 1 times [2021-12-07 00:56:42,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:56:42,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758326215] [2021-12-07 00:56:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:42,080 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:56:42,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:56:42,083 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:56:42,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-07 00:56:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:42,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-07 00:56:42,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:43,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:56:43,911 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:56:43,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758326215] [2021-12-07 00:56:43,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758326215] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:43,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:43,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:56:43,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548458226] [2021-12-07 00:56:43,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:43,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:56:43,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:56:43,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:56:43,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:56:43,912 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 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) [2021-12-07 00:56:43,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:43,994 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2021-12-07 00:56:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:56:43,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 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 29 [2021-12-07 00:56:43,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:43,994 INFO L225 Difference]: With dead ends: 30 [2021-12-07 00:56:43,994 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:56:43,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:56:43,995 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:43,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2021-12-07 00:56:43,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:56:43,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:56:43,996 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) [2021-12-07 00:56:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:56:43,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-12-07 00:56:43,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:43,997 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:56:43,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 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) [2021-12-07 00:56:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:56:43,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:56:43,999 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:56:44,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-07 00:56:44,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:56:44,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:56:45,891 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2021-12-07 00:56:45,891 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2021-12-07 00:56:45,891 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2021-12-07 00:56:45,891 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-12-07 00:56:45,891 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-12-07 00:56:45,891 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L861 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 260) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 260) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L854 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and |ULTIMATE.start___ieee754_atan2f_#t~switch32#1| (exists ((currentRoundingMode RoundingMode)) (= (fp.neg ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_atan2f_#res#1|))) [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-12-07 00:56:45,892 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-12-07 00:56:45,893 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-12-07 00:56:45,893 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-12-07 00:56:45,893 INFO L858 garLoopResultBuilder]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2021-12-07 00:56:45,893 INFO L854 garLoopResultBuilder]: At program point L220-2(lines 220 224) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.neg ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___signbit_float_~x#1|)) (or (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) |ULTIMATE.start_main_#t~short45#1|)) [2021-12-07 00:56:45,893 INFO L858 garLoopResultBuilder]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2021-12-07 00:56:45,893 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-12-07 00:56:45,896 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-12-07 00:56:45,896 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-07 00:56:45,896 INFO L858 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-12-07 00:56:45,896 INFO L854 garLoopResultBuilder]: At program point L238(lines 230 239) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start_main_~y~0#1|) (let ((.cse0 (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (or (and (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32)) .cse0) (and (not .cse0) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32)))))))) [2021-12-07 00:56:45,896 INFO L854 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2021-12-07 00:56:45,896 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point L256-2(lines 256 259) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-12-07 00:56:45,897 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-12-07 00:56:45,898 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start___ieee754_atan2f_~y#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~x#1|)) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24))) [2021-12-07 00:56:45,898 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-12-07 00:56:45,898 INFO L858 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2021-12-07 00:56:45,898 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-12-07 00:56:45,898 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-07 00:56:45,898 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-12-07 00:56:45,898 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-12-07 00:56:45,898 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2021-12-07 00:56:45,898 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-12-07 00:56:45,898 INFO L854 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L854 garLoopResultBuilder]: At program point L226(lines 217 227) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (or (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) |ULTIMATE.start_main_#t~short45#1|)) [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-12-07 00:56:45,899 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-07 00:56:45,900 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-07 00:56:45,900 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-12-07 00:56:45,900 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-07 00:56:45,900 INFO L861 garLoopResultBuilder]: At program point L262(lines 241 263) the Hoare annotation is: true [2021-12-07 00:56:45,900 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-07 00:56:45,900 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-12-07 00:56:45,900 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start___ieee754_atan2f_~y#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24))) [2021-12-07 00:56:45,900 INFO L858 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-12-07 00:56:45,900 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-12-07 00:56:45,901 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-07 00:56:45,901 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:56:45,901 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2021-12-07 00:56:45,901 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-12-07 00:56:45,901 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-12-07 00:56:45,901 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-07 00:56:45,901 INFO L858 garLoopResultBuilder]: For program point L232-1(lines 232 236) no Hoare annotation was computed. [2021-12-07 00:56:45,901 INFO L854 garLoopResultBuilder]: At program point L232-2(lines 232 236) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|))) [2021-12-07 00:56:45,901 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-07 00:56:45,902 INFO L858 garLoopResultBuilder]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2021-12-07 00:56:45,902 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-12-07 00:56:45,902 INFO L861 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2021-12-07 00:56:45,902 INFO L858 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2021-12-07 00:56:45,902 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-12-07 00:56:45,902 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-12-07 00:56:45,902 INFO L861 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2021-12-07 00:56:45,902 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-12-07 00:56:45,902 INFO L861 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2021-12-07 00:56:45,902 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-12-07 00:56:45,903 INFO L858 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-12-07 00:56:45,904 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-12-07 00:56:45,904 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-12-07 00:56:45,904 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-12-07 00:56:45,906 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:56:45,908 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:56:45,915 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,916 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,916 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,916 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,916 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,916 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,916 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,916 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:45,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:45,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:45,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:45,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:45,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:45,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:45,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:45,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:45,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:45,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:56:45 BoogieIcfgContainer [2021-12-07 00:56:45,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:56:45,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:56:45,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:56:45,932 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:56:45,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:15" (3/4) ... [2021-12-07 00:56:45,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:56:45,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-12-07 00:56:45,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2021-12-07 00:56:45,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2021-12-07 00:56:45,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-12-07 00:56:45,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-07 00:56:45,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:56:45,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) [2021-12-07 00:56:45,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ((\result == 1bv32 && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) || (!~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32) && \result == 0bv32))) [2021-12-07 00:56:45,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2021-12-07 00:56:45,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2021-12-07 00:56:45,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) [2021-12-07 00:56:45,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) [2021-12-07 00:56:45,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 1bv32 && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) [2021-12-07 00:56:45,991 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:56:45,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:56:45,992 INFO L158 Benchmark]: Toolchain (without parser) took 42809.19ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 42.2MB in the beginning and 41.3MB in the end (delta: 890.9kB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-12-07 00:56:45,992 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:56:45,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.43ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 39.1MB in the end (delta: 2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:56:45,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.68ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 36.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 00:56:45,993 INFO L158 Benchmark]: Boogie Preprocessor took 38.73ms. Allocated memory is still 62.9MB. Free memory was 36.5MB in the beginning and 33.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:56:45,993 INFO L158 Benchmark]: RCFGBuilder took 12425.93ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 43.2MB in the end (delta: -9.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-12-07 00:56:45,993 INFO L158 Benchmark]: TraceAbstraction took 29998.02ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 49.9MB in the end (delta: -7.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-12-07 00:56:45,994 INFO L158 Benchmark]: Witness Printer took 59.16ms. Allocated memory is still 79.7MB. Free memory was 49.9MB in the beginning and 41.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:56:45,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.43ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 39.1MB in the end (delta: 2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.68ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 36.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.73ms. Allocated memory is still 62.9MB. Free memory was 36.5MB in the beginning and 33.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12425.93ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 43.2MB in the end (delta: -9.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 29998.02ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 49.9MB in the end (delta: -7.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 59.16ms. Allocated memory is still 79.7MB. Free memory was 49.9MB in the beginning and 41.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 257]: 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 3 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 224 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 4962 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 180 IncrementalHoareTripleChecker+Unchecked, 3877 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1085 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 66 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 55 PreInvPairs, 63 NumberOfFragments, 229 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 166 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 8.1s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 250 ConstructedInterpolants, 141 QuantifiedInterpolants, 2321 SizeOfPredicates, 78 NumberOfNonLiveVariables, 1551 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant [2021-12-07 00:56:46,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,002 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,003 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] Derived loop invariant: ((x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ((\result == 1bv32 && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) || (!~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32) && \result == 0bv32))) - InvariantResult [Line: 217]: Loop Invariant [2021-12-07 00:56:46,004 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,004 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: \result == 1bv32 && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) - InvariantResult [Line: 124]: Loop Invariant [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 120]: Loop Invariant [2021-12-07 00:56:46,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) - InvariantResult [Line: 232]: Loop Invariant [2021-12-07 00:56:46,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:46,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:46,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:46,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:46,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant [2021-12-07 00:56:46,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:56:46,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) RESULT: Ultimate proved your program to be correct! [2021-12-07 00:56:46,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc07181-08fd-47bb-852a-1ff12ac72713/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE