./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04255db23fa2b33ef965cf216e618982ce4f05405d3eba07d1c5e94169a40ce3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:32,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:32,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:32,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:32,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:32,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:32,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:32,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:32,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:32,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:32,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:32,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:32,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:32,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:32,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:32,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:32,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:32,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:32,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:32,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:32,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:32,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:32,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:32,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:32,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:32,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:32,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:32,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:32,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:32,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:32,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:32,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:32,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:32,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:32,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:32,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:32,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:32,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:32,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:32,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:32,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:32,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:32:32,597 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:32,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:32,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:32,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:32,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:32,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:32,600 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:32,600 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:32,600 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:32,600 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:32:32,600 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:32,601 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:32,601 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:32:32,601 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:32:32,601 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:32,602 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:32:32,602 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:32:32,602 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:32:32,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:32,603 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:32:32,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:32,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:32:32,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:32,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:32,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:32,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:32,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:32:32,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:32,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:32,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:32,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:32,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:32,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:32,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:32,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:32,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:32,607 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:32:32,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:32:32,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:32,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:32,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:32,608 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04255db23fa2b33ef965cf216e618982ce4f05405d3eba07d1c5e94169a40ce3 [2021-11-20 23:32:32,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:32,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:32,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:32,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:32,870 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:32,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2021-11-20 23:32:32,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data/cc9370219/3243e46888684547898df5e72be9645a/FLAG4251bedf0 [2021-11-20 23:32:33,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:33,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2021-11-20 23:32:33,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data/cc9370219/3243e46888684547898df5e72be9645a/FLAG4251bedf0 [2021-11-20 23:32:33,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data/cc9370219/3243e46888684547898df5e72be9645a [2021-11-20 23:32:33,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:33,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:33,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:33,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:33,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:33,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:33,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1452ef62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:33, skipping insertion in model container [2021-11-20 23:32:33,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:33" (1/1) ... [2021-11-20 23:32:33,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:33,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:34,078 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_7e3cd86d-b6f9-4289-8500-045788f24edc/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c[6873,6886] [2021-11-20 23:32:34,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:34,089 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:34,139 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_7e3cd86d-b6f9-4289-8500-045788f24edc/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c[6873,6886] [2021-11-20 23:32:34,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:34,156 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:34,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34 WrapperNode [2021-11-20 23:32:34,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:34,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:34,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:34,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:34,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,208 INFO L137 Inliner]: procedures = 21, calls = 98, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 277 [2021-11-20 23:32:34,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:34,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:34,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:34,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:34,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:34,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:34,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:34,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:34,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:34,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:34,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:34,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 23:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:32:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-20 23:32:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-20 23:32:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 23:32:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2021-11-20 23:32:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2021-11-20 23:32:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:32:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 23:32:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:34,483 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:34,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:32:34,983 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:32:35,050 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:32:35,050 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-11-20 23:32:35,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:35 BoogieIcfgContainer [2021-11-20 23:32:35,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:32:35,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:32:35,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:32:35,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:32:35,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:33" (1/3) ... [2021-11-20 23:32:35,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3fb300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:35, skipping insertion in model container [2021-11-20 23:32:35,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34" (2/3) ... [2021-11-20 23:32:35,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3fb300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:35, skipping insertion in model container [2021-11-20 23:32:35,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:35" (3/3) ... [2021-11-20 23:32:35,065 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2021-11-20 23:32:35,071 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:32:35,071 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:32:35,157 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:32:35,167 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=FINITE_AUTOMATA, 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 [2021-11-20 23:32:35,167 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:32:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 71 states have (on average 1.704225352112676) internal successors, (121), 72 states have internal predecessors, (121), 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) [2021-11-20 23:32:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 23:32:35,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:35,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:35,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:35,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:35,221 INFO L85 PathProgramCache]: Analyzing trace with hash 586633712, now seen corresponding path program 1 times [2021-11-20 23:32:35,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:35,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624977973] [2021-11-20 23:32:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:35,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:35,402 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:35,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624977973] [2021-11-20 23:32:35,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624977973] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:35,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:35,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:35,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491218643] [2021-11-20 23:32:35,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:35,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:32:35,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:35,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:32:35,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:32:35,441 INFO L87 Difference]: Start difference. First operand has 79 states, 71 states have (on average 1.704225352112676) internal successors, (121), 72 states have internal predecessors, (121), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-11-20 23:32:35,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:35,504 INFO L93 Difference]: Finished difference Result 157 states and 261 transitions. [2021-11-20 23:32:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:32:35,507 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-20 23:32:35,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:35,515 INFO L225 Difference]: With dead ends: 157 [2021-11-20 23:32:35,515 INFO L226 Difference]: Without dead ends: 76 [2021-11-20 23:32:35,519 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 [2021-11-20 23:32:35,523 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:35,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:32:35,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-20 23:32:35,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-11-20 23:32:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 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) [2021-11-20 23:32:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2021-11-20 23:32:35,569 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 13 [2021-11-20 23:32:35,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:35,569 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2021-11-20 23:32:35,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-11-20 23:32:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2021-11-20 23:32:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-20 23:32:35,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:35,571 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:35,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:32:35,571 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:35,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:35,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1210465380, now seen corresponding path program 1 times [2021-11-20 23:32:35,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:35,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222422991] [2021-11-20 23:32:35,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:35,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:35,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:35,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222422991] [2021-11-20 23:32:35,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222422991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:35,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:35,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:32:35,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179596203] [2021-11-20 23:32:35,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:35,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:35,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:35,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:35,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:35,719 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:35,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:35,769 INFO L93 Difference]: Finished difference Result 144 states and 199 transitions. [2021-11-20 23:32:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:35,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-20 23:32:35,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:35,771 INFO L225 Difference]: With dead ends: 144 [2021-11-20 23:32:35,771 INFO L226 Difference]: Without dead ends: 76 [2021-11-20 23:32:35,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:35,774 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:35,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:32:35,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-20 23:32:35,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-11-20 23:32:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 69 states have internal predecessors, (95), 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) [2021-11-20 23:32:35,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2021-11-20 23:32:35,797 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 16 [2021-11-20 23:32:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:35,797 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2021-11-20 23:32:35,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2021-11-20 23:32:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 23:32:35,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:35,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:35,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:32:35,802 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:35,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:35,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1635110557, now seen corresponding path program 1 times [2021-11-20 23:32:35,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:35,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386581999] [2021-11-20 23:32:35,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:35,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:32:35,977 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:32:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:32:36,178 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:32:36,179 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:32:36,180 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:32:36,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:32:36,185 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-20 23:32:36,188 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:32:36,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:32:36 BoogieIcfgContainer [2021-11-20 23:32:36,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:32:36,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:32:36,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:32:36,244 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:32:36,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:35" (3/4) ... [2021-11-20 23:32:36,247 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:32:36,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:32:36,248 INFO L158 Benchmark]: Toolchain (without parser) took 2477.03ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 66.3MB in the beginning and 102.5MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:32:36,249 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:32:36,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.85ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 73.7MB in the end (delta: -7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:32:36,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.76ms. Allocated memory is still 104.9MB. Free memory was 73.2MB in the beginning and 70.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:32:36,251 INFO L158 Benchmark]: Boogie Preprocessor took 44.36ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:32:36,251 INFO L158 Benchmark]: RCFGBuilder took 799.55ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 39.6MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:36,252 INFO L158 Benchmark]: TraceAbstraction took 1187.39ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 39.2MB in the beginning and 103.5MB in the end (delta: -64.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-11-20 23:32:36,252 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 102.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:32:36,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.85ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 73.7MB in the end (delta: -7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.76ms. Allocated memory is still 104.9MB. Free memory was 73.2MB in the beginning and 70.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.36ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 799.55ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 39.6MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1187.39ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 39.2MB in the beginning and 103.5MB in the end (delta: -64.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 102.5MB in the end (delta: 1.0MB). 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: 287]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 286. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L281] CALL, EXPR isinf_double(x) [L248] __int32_t hx, lx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L281] RET, EXPR isinf_double(x) [L281] EXPR isinf_double(x) && isfinite_double(y) [L281] CALL, EXPR isfinite_double(y) [L262] __int32_t hx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L281] RET, EXPR isfinite_double(y) [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isfinite_double(y)=-4, isinf_double(x)=2147483647, isinf_double(x) && isfinite_double(y)=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L283] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-5, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-5, hy=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-5, hy=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L283] RET, EXPR __ieee754_atan2(y, x) [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] [L287] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 270 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 183 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2021-11-20 23:32:36,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/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_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04255db23fa2b33ef965cf216e618982ce4f05405d3eba07d1c5e94169a40ce3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:38,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:38,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:38,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:38,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:38,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:38,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:38,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:38,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:38,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:38,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:38,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:38,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:38,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:38,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:38,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:38,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:38,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:38,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:38,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:38,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:38,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:38,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:38,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:38,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:38,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:38,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:38,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:38,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:38,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:38,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:38,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:38,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:38,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:38,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:38,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:38,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:38,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:38,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:38,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:38,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:38,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:32:38,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:38,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:38,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:38,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:38,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:38,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:38,863 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:38,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:38,864 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:38,864 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:38,865 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:38,865 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:38,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:38,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:32:38,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:32:38,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:38,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:38,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:38,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:38,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:32:38,868 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:32:38,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:32:38,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:38,869 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:38,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:38,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:38,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:32:38,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:38,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:38,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:38,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:38,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:38,871 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:32:38,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:32:38,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:38,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:38,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:38,873 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_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04255db23fa2b33ef965cf216e618982ce4f05405d3eba07d1c5e94169a40ce3 [2021-11-20 23:32:39,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:39,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:39,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:39,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:39,259 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:39,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2021-11-20 23:32:39,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data/744759a7f/5516f6477e98450bba1323daf02c2206/FLAG62c856a5f [2021-11-20 23:32:39,936 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:39,937 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2021-11-20 23:32:39,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data/744759a7f/5516f6477e98450bba1323daf02c2206/FLAG62c856a5f [2021-11-20 23:32:40,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/data/744759a7f/5516f6477e98450bba1323daf02c2206 [2021-11-20 23:32:40,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:40,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:40,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:40,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:40,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:40,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d202739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40, skipping insertion in model container [2021-11-20 23:32:40,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:40,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:40,567 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_7e3cd86d-b6f9-4289-8500-045788f24edc/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c[6873,6886] [2021-11-20 23:32:40,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:40,594 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:40,656 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_7e3cd86d-b6f9-4289-8500-045788f24edc/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c[6873,6886] [2021-11-20 23:32:40,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:40,692 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:40,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40 WrapperNode [2021-11-20 23:32:40,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:40,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:40,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:40,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:40,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,800 INFO L137 Inliner]: procedures = 24, calls = 98, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 276 [2021-11-20 23:32:40,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:40,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:40,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:40,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:40,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:40,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:40,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:40,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:40,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:40,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:40,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:40,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 23:32:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 23:32:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:32:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-20 23:32:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-20 23:32:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-20 23:32:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2021-11-20 23:32:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2021-11-20 23:32:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 23:32:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 23:32:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:41,180 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:41,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:33:03,038 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:33:03,050 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:33:03,050 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-11-20 23:33:03,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:03 BoogieIcfgContainer [2021-11-20 23:33:03,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:33:03,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:33:03,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:33:03,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:33:03,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:40" (1/3) ... [2021-11-20 23:33:03,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741cb66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:33:03, skipping insertion in model container [2021-11-20 23:33:03,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40" (2/3) ... [2021-11-20 23:33:03,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741cb66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:33:03, skipping insertion in model container [2021-11-20 23:33:03,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:03" (3/3) ... [2021-11-20 23:33:03,074 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2021-11-20 23:33:03,084 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:33:03,084 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:33:03,142 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:33:03,150 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=FINITE_AUTOMATA, 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 [2021-11-20 23:33:03,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:33:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 95 states have (on average 1.6526315789473685) internal successors, (157), 96 states have internal predecessors, (157), 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) [2021-11-20 23:33:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-20 23:33:03,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:03,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:33:03,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:03,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:03,182 INFO L85 PathProgramCache]: Analyzing trace with hash -233161701, now seen corresponding path program 1 times [2021-11-20 23:33:03,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:33:03,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788609550] [2021-11-20 23:33:03,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:03,197 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:33:03,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:33:03,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:33:03,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:33:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:33:03,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:33:03,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:33:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:03,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:33:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:04,239 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:33:04,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788609550] [2021-11-20 23:33:04,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788609550] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:33:04,241 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:33:04,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 23:33:04,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455879473] [2021-11-20 23:33:04,244 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:33:04,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:33:04,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:33:04,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:33:04,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:33:04,295 INFO L87 Difference]: Start difference. First operand has 103 states, 95 states have (on average 1.6526315789473685) internal successors, (157), 96 states have internal predecessors, (157), 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) [2021-11-20 23:33:04,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:33:04,328 INFO L93 Difference]: Finished difference Result 204 states and 332 transitions. [2021-11-20 23:33:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:33:04,330 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 [2021-11-20 23:33:04,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:33:04,340 INFO L225 Difference]: With dead ends: 204 [2021-11-20 23:33:04,340 INFO L226 Difference]: Without dead ends: 99 [2021-11-20 23:33:04,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:33:04,347 INFO L933 BasicCegarLoop]: 144 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, 144 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 [2021-11-20 23:33:04,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:33:04,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-20 23:33:04,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-11-20 23:33:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 92 states have (on average 1.423913043478261) internal successors, (131), 92 states have internal predecessors, (131), 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) [2021-11-20 23:33:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2021-11-20 23:33:04,395 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 15 [2021-11-20 23:33:04,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:33:04,395 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2021-11-20 23:33:04,395 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) [2021-11-20 23:33:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2021-11-20 23:33:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-20 23:33:04,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:04,397 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:33:04,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:33:04,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:33:04,611 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:04,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash -114752879, now seen corresponding path program 1 times [2021-11-20 23:33:04,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:33:04,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752908617] [2021-11-20 23:33:04,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:04,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:33:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:33:04,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:33:04,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:33:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:33:05,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:33:05,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:33:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:05,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:33:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:05,690 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:33:05,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752908617] [2021-11-20 23:33:05,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752908617] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:33:05,691 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:33:05,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 23:33:05,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862494658] [2021-11-20 23:33:05,691 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:33:05,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:33:05,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:33:05,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:33:05,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:33:05,695 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-20 23:33:05,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:33:05,904 INFO L93 Difference]: Finished difference Result 187 states and 266 transitions. [2021-11-20 23:33:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:33:05,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 [2021-11-20 23:33:05,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:33:05,908 INFO L225 Difference]: With dead ends: 187 [2021-11-20 23:33:05,908 INFO L226 Difference]: Without dead ends: 99 [2021-11-20 23:33:05,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:33:05,910 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:33:05,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 272 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:33:05,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-20 23:33:05,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-11-20 23:33:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 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) [2021-11-20 23:33:05,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2021-11-20 23:33:05,936 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 18 [2021-11-20 23:33:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:33:05,936 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2021-11-20 23:33:05,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-20 23:33:05,937 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2021-11-20 23:33:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 23:33:05,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:05,938 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] [2021-11-20 23:33:05,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:33:06,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:33:06,159 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:06,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2086328612, now seen corresponding path program 1 times [2021-11-20 23:33:06,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:33:06,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402393462] [2021-11-20 23:33:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:06,161 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:33:06,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:33:06,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:33:06,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:33:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:33:06,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 23:33:06,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:33:07,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-20 23:33:13,564 INFO L354 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size [2021-11-20 23:33:13,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 95 [2021-11-20 23:33:17,739 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:33:17,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 32 [2021-11-20 23:33:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:33:26,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:34:08,251 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:34:08,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 112 [2021-11-20 23:34:08,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:34:08,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 112 [2021-11-20 23:34:09,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-20 23:34:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:14,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:34:14,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402393462] [2021-11-20 23:34:14,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402393462] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:34:14,509 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:34:14,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 22 [2021-11-20 23:34:14,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516447672] [2021-11-20 23:34:14,509 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:34:14,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 23:34:14,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:34:14,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 23:34:14,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=390, Unknown=13, NotChecked=0, Total=462 [2021-11-20 23:34:14,512 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 22 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 22 states have internal predecessors, (40), 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) [2021-11-20 23:34:14,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:34:14,552 INFO L93 Difference]: Finished difference Result 103 states and 141 transitions. [2021-11-20 23:34:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 23:34:14,552 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 22 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-20 23:34:14,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:34:14,554 INFO L225 Difference]: With dead ends: 103 [2021-11-20 23:34:14,554 INFO L226 Difference]: Without dead ends: 99 [2021-11-20 23:34:14,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 46.6s TimeCoverageRelationStatistics Valid=59, Invalid=390, Unknown=13, NotChecked=0, Total=462 [2021-11-20 23:34:14,560 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 2 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 156 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:34:14,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1749 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 156 Unchecked, 0.0s Time] [2021-11-20 23:34:14,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-20 23:34:14,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-11-20 23:34:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 92 states have (on average 1.4021739130434783) internal successors, (129), 92 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) [2021-11-20 23:34:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 137 transitions. [2021-11-20 23:34:14,572 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 137 transitions. Word has length 22 [2021-11-20 23:34:14,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:34:14,573 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 137 transitions. [2021-11-20 23:34:14,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 22 states have internal predecessors, (40), 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) [2021-11-20 23:34:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2021-11-20 23:34:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 23:34:14,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:34:14,575 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] [2021-11-20 23:34:14,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:34:14,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:34:14,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:34:14,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:34:14,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1752843547, now seen corresponding path program 1 times [2021-11-20 23:34:14,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:34:14,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127164150] [2021-11-20 23:34:14,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:34:14,789 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:34:14,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:34:14,790 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:34:14,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 23:34:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:34:15,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 23:34:15,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:34:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:17,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:34:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:22,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:34:22,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127164150] [2021-11-20 23:34:22,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127164150] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:34:22,481 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:34:22,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 23:34:22,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455194453] [2021-11-20 23:34:22,482 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:34:22,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 23:34:22,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:34:22,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 23:34:22,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:34:22,484 INFO L87 Difference]: Start difference. First operand 99 states and 137 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 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) [2021-11-20 23:34:23,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:34:23,210 INFO L93 Difference]: Finished difference Result 192 states and 273 transitions. [2021-11-20 23:34:23,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:34:23,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 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 27 [2021-11-20 23:34:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:34:23,213 INFO L225 Difference]: With dead ends: 192 [2021-11-20 23:34:23,213 INFO L226 Difference]: Without dead ends: 117 [2021-11-20 23:34:23,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:34:23,216 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 22 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:34:23,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 1097 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 31 Unchecked, 0.7s Time] [2021-11-20 23:34:23,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-11-20 23:34:23,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 99. [2021-11-20 23:34:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 92 states have (on average 1.391304347826087) internal successors, (128), 92 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) [2021-11-20 23:34:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 136 transitions. [2021-11-20 23:34:23,229 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 136 transitions. Word has length 27 [2021-11-20 23:34:23,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:34:23,230 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 136 transitions. [2021-11-20 23:34:23,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 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) [2021-11-20 23:34:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2021-11-20 23:34:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 23:34:23,231 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:34:23,234 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] [2021-11-20 23:34:23,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:34:23,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:34:23,443 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:34:23,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:34:23,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1810101849, now seen corresponding path program 1 times [2021-11-20 23:34:23,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:34:23,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107644357] [2021-11-20 23:34:23,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:34:23,445 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:34:23,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:34:23,446 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:34:23,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 23:34:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:34:23,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:34:23,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:34:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:27,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:34:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:32,691 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:34:32,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107644357] [2021-11-20 23:34:32,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107644357] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:34:32,695 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:34:32,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 23:34:32,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903166325] [2021-11-20 23:34:32,696 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:34:32,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:34:32,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:34:32,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:34:32,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:34:32,697 INFO L87 Difference]: Start difference. First operand 99 states and 136 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:34:33,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:34:33,404 INFO L93 Difference]: Finished difference Result 119 states and 163 transitions. [2021-11-20 23:34:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:34:33,406 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-20 23:34:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:34:33,411 INFO L225 Difference]: With dead ends: 119 [2021-11-20 23:34:33,412 INFO L226 Difference]: Without dead ends: 115 [2021-11-20 23:34:33,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:34:33,416 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 40 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:34:33,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 962 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 25 Unchecked, 0.7s Time] [2021-11-20 23:34:33,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-20 23:34:33,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 99. [2021-11-20 23:34:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 92 states have (on average 1.3804347826086956) internal successors, (127), 92 states have internal predecessors, (127), 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) [2021-11-20 23:34:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 135 transitions. [2021-11-20 23:34:33,441 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 135 transitions. Word has length 27 [2021-11-20 23:34:33,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:34:33,444 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 135 transitions. [2021-11-20 23:34:33,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:34:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2021-11-20 23:34:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 23:34:33,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:34:33,449 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] [2021-11-20 23:34:33,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:34:33,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:34:33,669 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:34:33,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:34:33,669 INFO L85 PathProgramCache]: Analyzing trace with hash -144061543, now seen corresponding path program 1 times [2021-11-20 23:34:33,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:34:33,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739834931] [2021-11-20 23:34:33,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:34:33,670 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:34:33,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:34:33,673 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:34:33,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 23:34:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:34:34,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:34:34,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:34:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:36,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:34:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:39,803 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:34:39,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739834931] [2021-11-20 23:34:39,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739834931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:34:39,803 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:34:39,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 23:34:39,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074051461] [2021-11-20 23:34:39,804 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:34:39,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 23:34:39,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:34:39,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 23:34:39,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 23:34:39,805 INFO L87 Difference]: Start difference. First operand 99 states and 135 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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) [2021-11-20 23:34:39,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:34:39,816 INFO L93 Difference]: Finished difference Result 107 states and 141 transitions. [2021-11-20 23:34:39,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:34:39,817 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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 27 [2021-11-20 23:34:39,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:34:39,818 INFO L225 Difference]: With dead ends: 107 [2021-11-20 23:34:39,818 INFO L226 Difference]: Without dead ends: 101 [2021-11-20 23:34:39,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 23:34:39,820 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 14 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 943 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 [2021-11-20 23:34:39,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 943 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2021-11-20 23:34:39,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-20 23:34:39,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2021-11-20 23:34:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 90 states have internal predecessors, (123), 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) [2021-11-20 23:34:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 131 transitions. [2021-11-20 23:34:39,830 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 131 transitions. Word has length 27 [2021-11-20 23:34:39,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:34:39,830 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 131 transitions. [2021-11-20 23:34:39,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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) [2021-11-20 23:34:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2021-11-20 23:34:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:34:39,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:34:39,832 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] [2021-11-20 23:34:39,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 23:34:40,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:34:40,047 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:34:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:34:40,047 INFO L85 PathProgramCache]: Analyzing trace with hash 275809362, now seen corresponding path program 1 times [2021-11-20 23:34:40,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:34:40,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036590738] [2021-11-20 23:34:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:34:40,048 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:34:40,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:34:40,051 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:34:40,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 23:34:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:34:40,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:34:40,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:34:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:45,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:34:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:34:58,028 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:34:58,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036590738] [2021-11-20 23:34:58,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036590738] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:34:58,028 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:34:58,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-20 23:34:58,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216943199] [2021-11-20 23:34:58,029 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:34:58,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:34:58,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:34:58,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:34:58,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:34:58,031 INFO L87 Difference]: Start difference. First operand 97 states and 131 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-11-20 23:35:07,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:09,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:11,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:13,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:19,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:21,489 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:24,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:26,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:29,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:31,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:34,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:37,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:40,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:43,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:35:43,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:43,660 INFO L93 Difference]: Finished difference Result 104 states and 138 transitions. [2021-11-20 23:35:43,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:35:43,661 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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 28 [2021-11-20 23:35:43,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:43,662 INFO L225 Difference]: With dead ends: 104 [2021-11-20 23:35:43,662 INFO L226 Difference]: Without dead ends: 100 [2021-11-20 23:35:43,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 23:35:43,664 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 189 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 11 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:43,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 383 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 115 Invalid, 11 Unknown, 0 Unchecked, 42.1s Time] [2021-11-20 23:35:43,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-20 23:35:43,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2021-11-20 23:35:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 90 states have internal predecessors, (121), 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) [2021-11-20 23:35:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 129 transitions. [2021-11-20 23:35:43,676 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 129 transitions. Word has length 28 [2021-11-20 23:35:43,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:43,676 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 129 transitions. [2021-11-20 23:35:43,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-11-20 23:35:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2021-11-20 23:35:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:35:43,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:43,678 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] [2021-11-20 23:35:43,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:43,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:35:43,900 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:43,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:43,901 INFO L85 PathProgramCache]: Analyzing trace with hash -489049033, now seen corresponding path program 1 times [2021-11-20 23:35:43,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:35:43,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988470696] [2021-11-20 23:35:43,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:43,902 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:35:43,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:35:43,902 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:35:43,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 23:35:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:44,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 23:35:44,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:47,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:35:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:52,934 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:35:52,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988470696] [2021-11-20 23:35:52,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988470696] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:52,934 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:52,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 23:35:52,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800894546] [2021-11-20 23:35:52,935 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:52,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 23:35:52,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:35:52,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 23:35:52,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:35:52,936 INFO L87 Difference]: Start difference. First operand 97 states and 129 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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) [2021-11-20 23:35:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:53,568 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2021-11-20 23:35:53,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:35:53,569 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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 28 [2021-11-20 23:35:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:53,571 INFO L225 Difference]: With dead ends: 116 [2021-11-20 23:35:53,571 INFO L226 Difference]: Without dead ends: 112 [2021-11-20 23:35:53,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:35:53,576 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 26 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:53,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 1057 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 17 Unchecked, 0.6s Time] [2021-11-20 23:35:53,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-20 23:35:53,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 101. [2021-11-20 23:35:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 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) [2021-11-20 23:35:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 135 transitions. [2021-11-20 23:35:53,598 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 135 transitions. Word has length 28 [2021-11-20 23:35:53,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:53,599 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 135 transitions. [2021-11-20 23:35:53,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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) [2021-11-20 23:35:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2021-11-20 23:35:53,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:35:53,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:53,605 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] [2021-11-20 23:35:53,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:53,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:35:53,825 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:53,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:53,825 INFO L85 PathProgramCache]: Analyzing trace with hash -511928521, now seen corresponding path program 1 times [2021-11-20 23:35:53,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:35:53,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128634358] [2021-11-20 23:35:53,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:53,826 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:35:53,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:35:53,827 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:35:53,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 23:35:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:54,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-20 23:35:54,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:20,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:51,987 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:51,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128634358] [2021-11-20 23:36:51,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128634358] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:51,988 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:51,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-11-20 23:36:51,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309232297] [2021-11-20 23:36:51,988 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:51,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 23:36:51,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:51,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 23:36:51,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=195, Unknown=9, NotChecked=0, Total=240 [2021-11-20 23:36:51,990 INFO L87 Difference]: Start difference. First operand 101 states and 135 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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) [2021-11-20 23:36:54,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:36:54,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:54,034 INFO L93 Difference]: Finished difference Result 166 states and 223 transitions. [2021-11-20 23:36:54,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 23:36:54,036 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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 28 [2021-11-20 23:36:54,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:54,037 INFO L225 Difference]: With dead ends: 166 [2021-11-20 23:36:54,038 INFO L226 Difference]: Without dead ends: 106 [2021-11-20 23:36:54,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 51.7s TimeCoverageRelationStatistics Valid=36, Invalid=195, Unknown=9, NotChecked=0, Total=240 [2021-11-20 23:36:54,040 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 6 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:54,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 1492 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 35 Unchecked, 2.0s Time] [2021-11-20 23:36:54,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-20 23:36:54,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2021-11-20 23:36:54,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 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) [2021-11-20 23:36:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 134 transitions. [2021-11-20 23:36:54,049 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 134 transitions. Word has length 28 [2021-11-20 23:36:54,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:54,049 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 134 transitions. [2021-11-20 23:36:54,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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) [2021-11-20 23:36:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 134 transitions. [2021-11-20 23:36:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 23:36:54,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:54,051 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, 1, 1, 1, 1, 1] [2021-11-20 23:36:54,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:54,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:36:54,255 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:54,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:54,256 INFO L85 PathProgramCache]: Analyzing trace with hash -42468524, now seen corresponding path program 1 times [2021-11-20 23:36:54,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:36:54,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405466570] [2021-11-20 23:36:54,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:54,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:36:54,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:36:54,258 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:36:54,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 23:36:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:54,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 23:36:54,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:55,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 39 [2021-11-20 23:36:57,997 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:57,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 27 [2021-11-20 23:37:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:05,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:12,894 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:12,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405466570] [2021-11-20 23:37:12,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405466570] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:12,894 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:12,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 23:37:12,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706054138] [2021-11-20 23:37:12,894 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:12,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:37:12,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:12,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:37:12,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=126, Unknown=1, NotChecked=0, Total=156 [2021-11-20 23:37:12,896 INFO L87 Difference]: Start difference. First operand 101 states and 134 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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) [2021-11-20 23:37:15,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:15,176 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2021-11-20 23:37:15,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:37:15,177 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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 [2021-11-20 23:37:15,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:15,178 INFO L225 Difference]: With dead ends: 175 [2021-11-20 23:37:15,179 INFO L226 Difference]: Without dead ends: 101 [2021-11-20 23:37:15,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=34, Invalid=147, Unknown=1, NotChecked=0, Total=182 [2021-11-20 23:37:15,180 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 40 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:15,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 995 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 103 Unchecked, 1.6s Time] [2021-11-20 23:37:15,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-20 23:37:15,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 86. [2021-11-20 23:37:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.2911392405063291) internal successors, (102), 79 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) [2021-11-20 23:37:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2021-11-20 23:37:15,192 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 29 [2021-11-20 23:37:15,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:15,193 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2021-11-20 23:37:15,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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) [2021-11-20 23:37:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2021-11-20 23:37:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 23:37:15,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:15,194 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] [2021-11-20 23:37:15,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:15,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:15,399 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:15,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1779988844, now seen corresponding path program 1 times [2021-11-20 23:37:15,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:15,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108674828] [2021-11-20 23:37:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:15,400 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:15,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:15,401 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:15,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 23:37:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:15,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:37:15,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:18,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:22,164 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:22,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108674828] [2021-11-20 23:37:22,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108674828] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:22,165 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:22,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 23:37:22,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599852928] [2021-11-20 23:37:22,165 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:22,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 23:37:22,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 23:37:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 23:37:22,167 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-11-20 23:37:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:22,680 INFO L93 Difference]: Finished difference Result 156 states and 202 transitions. [2021-11-20 23:37:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:37:22,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 [2021-11-20 23:37:22,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:22,682 INFO L225 Difference]: With dead ends: 156 [2021-11-20 23:37:22,683 INFO L226 Difference]: Without dead ends: 101 [2021-11-20 23:37:22,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 23:37:22,684 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 37 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:22,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 563 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 13 Unchecked, 0.3s Time] [2021-11-20 23:37:22,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-20 23:37:22,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 86. [2021-11-20 23:37:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 79 states have internal predecessors, (101), 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) [2021-11-20 23:37:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2021-11-20 23:37:22,693 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 29 [2021-11-20 23:37:22,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:22,695 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2021-11-20 23:37:22,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-11-20 23:37:22,695 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2021-11-20 23:37:22,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 23:37:22,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:22,696 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] [2021-11-20 23:37:22,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:22,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:22,919 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:22,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:22,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2018423094, now seen corresponding path program 1 times [2021-11-20 23:37:22,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:22,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138456244] [2021-11-20 23:37:22,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:22,920 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:22,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:22,921 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:22,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 23:37:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:23,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:37:23,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:27,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:27,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:33,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:33,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:33,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138456244] [2021-11-20 23:37:33,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138456244] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:33,933 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:33,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 23:37:33,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437834625] [2021-11-20 23:37:33,933 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:33,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:37:33,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:33,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:37:33,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:37:33,934 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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) [2021-11-20 23:37:33,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:33,963 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2021-11-20 23:37:33,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:37:33,971 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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 [2021-11-20 23:37:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:33,973 INFO L225 Difference]: With dead ends: 90 [2021-11-20 23:37:33,973 INFO L226 Difference]: Without dead ends: 86 [2021-11-20 23:37:33,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:37:33,974 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:33,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1125 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2021-11-20 23:37:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-20 23:37:33,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-11-20 23:37:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.2658227848101267) internal successors, (100), 79 states have internal predecessors, (100), 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) [2021-11-20 23:37:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2021-11-20 23:37:33,982 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 108 transitions. Word has length 29 [2021-11-20 23:37:33,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:33,983 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 108 transitions. [2021-11-20 23:37:33,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 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) [2021-11-20 23:37:33,983 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2021-11-20 23:37:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-20 23:37:33,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:33,984 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, 1, 1] [2021-11-20 23:37:34,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-20 23:37:34,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:34,199 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:34,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:34,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1645343087, now seen corresponding path program 1 times [2021-11-20 23:37:34,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:34,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577067238] [2021-11-20 23:37:34,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:34,200 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:34,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:34,201 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:34,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 23:37:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:34,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 23:37:34,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:35,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 39 [2021-11-20 23:37:37,767 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:37,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 27 [2021-11-20 23:37:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:43,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:51,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:51,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577067238] [2021-11-20 23:37:51,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577067238] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:51,176 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:51,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 23:37:51,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558503490] [2021-11-20 23:37:51,176 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:51,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:37:51,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:51,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:37:51,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:37:51,178 INFO L87 Difference]: Start difference. First operand 86 states and 108 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 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) [2021-11-20 23:37:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:52,213 INFO L93 Difference]: Finished difference Result 122 states and 153 transitions. [2021-11-20 23:37:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:37:52,213 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 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 31 [2021-11-20 23:37:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:52,215 INFO L225 Difference]: With dead ends: 122 [2021-11-20 23:37:52,215 INFO L226 Difference]: Without dead ends: 58 [2021-11-20 23:37:52,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-20 23:37:52,216 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 1 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:52,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 567 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 22 Unchecked, 0.2s Time] [2021-11-20 23:37:52,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-20 23:37:52,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-11-20 23:37:52,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 53 states have internal predecessors, (64), 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) [2021-11-20 23:37:52,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2021-11-20 23:37:52,224 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 31 [2021-11-20 23:37:52,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:52,224 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2021-11-20 23:37:52,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 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) [2021-11-20 23:37:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2021-11-20 23:37:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 23:37:52,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:52,226 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, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:52,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-11-20 23:37:52,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:52,443 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:52,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:52,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1918665192, now seen corresponding path program 1 times [2021-11-20 23:37:52,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:52,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482456250] [2021-11-20 23:37:52,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:52,444 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:52,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:52,446 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:52,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 23:37:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:52,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:37:52,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:55,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:57,645 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:57,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482456250] [2021-11-20 23:37:57,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482456250] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:57,646 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:57,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 23:37:57,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476265885] [2021-11-20 23:37:57,646 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:57,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:37:57,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:57,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:37:57,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:37:57,647 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:37:57,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:57,650 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2021-11-20 23:37:57,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:37:57,651 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2021-11-20 23:37:57,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:57,651 INFO L225 Difference]: With dead ends: 58 [2021-11-20 23:37:57,651 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:37:57,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:37:57,652 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:57,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2021-11-20 23:37:57,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:37:57,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:37:57,653 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) [2021-11-20 23:37:57,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:37:57,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2021-11-20 23:37:57,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:57,654 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:37:57,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:37:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:37:57,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:37:57,657 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:37:57,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-20 23:37:57,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:57,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:38:01,688 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-11-20 23:38:01,688 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-11-20 23:38:01,688 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2021-11-20 23:38:01,688 INFO L858 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-11-20 23:38:01,688 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 19 33) the Hoare annotation is: true [2021-11-20 23:38:01,688 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-11-20 23:38:01,688 INFO L861 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2021-11-20 23:38:01,689 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 19 33) no Hoare annotation was computed. [2021-11-20 23:38:01,689 INFO L861 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2021-11-20 23:38:01,689 INFO L858 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2021-11-20 23:38:01,689 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-11-20 23:38:01,689 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-11-20 23:38:01,689 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-11-20 23:38:01,689 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-11-20 23:38:01,689 INFO L861 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2021-11-20 23:38:01,689 INFO L858 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-11-20 23:38:01,689 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-11-20 23:38:01,690 INFO L858 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-11-20 23:38:01,690 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-11-20 23:38:01,690 INFO L861 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2021-11-20 23:38:01,690 INFO L858 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-11-20 23:38:01,690 INFO L858 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-11-20 23:38:01,691 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-11-20 23:38:01,691 INFO L858 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-11-20 23:38:01,691 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-11-20 23:38:01,691 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-11-20 23:38:01,691 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-11-20 23:38:01,691 INFO L858 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2021-11-20 23:38:01,691 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-11-20 23:38:01,691 INFO L861 garLoopResultBuilder]: At program point atan_doubleENTRY(lines 66 134) the Hoare annotation is: true [2021-11-20 23:38:01,691 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-11-20 23:38:01,692 INFO L858 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2021-11-20 23:38:01,692 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2021-11-20 23:38:01,692 INFO L858 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2021-11-20 23:38:01,692 INFO L858 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-11-20 23:38:01,693 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 23:38:01,693 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2021-11-20 23:38:01,693 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2021-11-20 23:38:01,693 INFO L854 garLoopResultBuilder]: At program point L268(lines 261 269) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= |ULTIMATE.start_isfinite_double_#res#1| (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse0) (_ bv2148532224 32)) (_ bv31 32))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_23|) (select .cse1 (_ bv0 32))) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) |ULTIMATE.start_main_~y~0#1|))))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~x~0#1|))) [2021-11-20 23:38:01,694 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2021-11-20 23:38:01,694 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-20 23:38:01,694 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2021-11-20 23:38:01,694 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2021-11-20 23:38:01,694 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 289) no Hoare annotation was computed. [2021-11-20 23:38:01,694 INFO L854 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-11-20 23:38:01,695 INFO L854 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-20 23:38:01,695 INFO L858 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2021-11-20 23:38:01,696 INFO L858 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-11-20 23:38:01,696 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-11-20 23:38:01,696 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (exists ((|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8|))) (let ((.cse0 (select .cse2 (_ bv4 32))) (.cse1 (select .cse2 (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) |ULTIMATE.start___ieee754_atan2_~ix~1#1|) (= |ULTIMATE.start___ieee754_atan2_~lx~0#1| .cse1) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|) .cse0) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_24|) .cse1) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))))))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (exists ((|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|)))) (and (not (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|))) (_ bv31 32)) (_ bv0 32))) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse3) (fp.gt .cse3 (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse5 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36|))) (let ((.cse4 (select .cse5 (_ bv4 32)))) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= .cse4 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|)) (= .cse4 |ULTIMATE.start___ieee754_atan2_~hx~1#1|) (= (select .cse5 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_36|)))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 23:38:01,696 INFO L858 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-11-20 23:38:01,696 INFO L858 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-11-20 23:38:01,696 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-20 23:38:01,697 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:38:01,697 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-20 23:38:01,697 INFO L858 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2021-11-20 23:38:01,697 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-11-20 23:38:01,697 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-20 23:38:01,697 INFO L854 garLoopResultBuilder]: At program point L258(lines 247 259) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~x~0#1|))) [2021-11-20 23:38:01,698 INFO L858 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-11-20 23:38:01,698 INFO L861 garLoopResultBuilder]: At program point L292(lines 271 293) the Hoare annotation is: true [2021-11-20 23:38:01,698 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2021-11-20 23:38:01,698 INFO L854 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2021-11-20 23:38:01,699 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 23:38:01,699 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-20 23:38:01,699 INFO L854 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= |ULTIMATE.start___ieee754_atan2_#res#1| (fp.add roundNearestTiesToEven ~pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 23:38:01,699 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-20 23:38:01,700 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-20 23:38:01,700 INFO L858 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-11-20 23:38:01,700 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2021-11-20 23:38:01,700 INFO L858 garLoopResultBuilder]: For program point L263-1(lines 263 267) no Hoare annotation was computed. [2021-11-20 23:38:01,700 INFO L854 garLoopResultBuilder]: At program point L263-2(lines 263 267) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~y~0#1|) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~x~0#1|))) [2021-11-20 23:38:01,701 INFO L858 garLoopResultBuilder]: For program point L263-3(lines 263 267) no Hoare annotation was computed. [2021-11-20 23:38:01,701 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 23:38:01,701 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 287) no Hoare annotation was computed. [2021-11-20 23:38:01,701 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-11-20 23:38:01,701 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2021-11-20 23:38:01,702 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2021-11-20 23:38:01,702 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2021-11-20 23:38:01,702 INFO L858 garLoopResultBuilder]: For program point L281(line 281) no Hoare annotation was computed. [2021-11-20 23:38:01,702 INFO L858 garLoopResultBuilder]: For program point L281-2(lines 281 290) no Hoare annotation was computed. [2021-11-20 23:38:01,702 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2021-11-20 23:38:01,702 INFO L858 garLoopResultBuilder]: For program point L281-4(lines 281 290) no Hoare annotation was computed. [2021-11-20 23:38:01,703 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2021-11-20 23:38:01,703 INFO L854 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_atan2_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) |ULTIMATE.start___ieee754_atan2_~y#1|) (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse0) (_ bv2148532224 32)) (_ bv31 32)))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_23|) (select .cse1 (_ bv0 32))) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)))))) (exists ((|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|)))) (and (not (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|))) (_ bv31 32)) (_ bv0 32))) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse2) (fp.gt .cse2 (_ +zero 11 53))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 23:38:01,703 INFO L858 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2021-11-20 23:38:01,703 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-20 23:38:01,703 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2021-11-20 23:38:01,703 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 249 254) no Hoare annotation was computed. [2021-11-20 23:38:01,703 INFO L854 garLoopResultBuilder]: At program point L249-2(lines 249 254) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~x~0#1|))) [2021-11-20 23:38:01,703 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-11-20 23:38:01,704 INFO L858 garLoopResultBuilder]: For program point L249-3(lines 249 254) no Hoare annotation was computed. [2021-11-20 23:38:01,704 INFO L858 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2021-11-20 23:38:01,704 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2021-11-20 23:38:01,704 INFO L858 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2021-11-20 23:38:01,708 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:38:01,709 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:38:01,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,720 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,720 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,720 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,720 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,738 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,743 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,744 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,746 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,746 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,746 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,746 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,750 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,754 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,757 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,758 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,759 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,760 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,760 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,761 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,762 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,762 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,763 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,763 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,764 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,764 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,764 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,765 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,765 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,765 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,766 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,767 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:38:01 BoogieIcfgContainer [2021-11-20 23:38:01,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:38:01,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:38:01,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:38:01,769 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:38:01,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:03" (3/4) ... [2021-11-20 23:38:01,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:38:01,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-11-20 23:38:01,779 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2021-11-20 23:38:01,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2021-11-20 23:38:01,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-20 23:38:01,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 23:38:01,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:38:01,815 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2021-11-20 23:38:01,816 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2021-11-20 23:38:01,816 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && x == y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2021-11-20 23:38:01,816 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5 : bv32 :: ((\result == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32]), 2148532224bv32), 31bv32) && v_skolemized_q#valueAsBitvector_23[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][0bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_23[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == y)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2021-11-20 23:38:01,817 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5 : bv32 :: ((~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == y && !(0bv32 == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32]), 2148532224bv32), 31bv32))) && v_skolemized_q#valueAsBitvector_23[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][0bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_23[63:32])) && (\exists v_skolemized_q#valueAsBitvector_30 : bv64 :: (!(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_30[63:32])), 31bv32) == 0bv32) && y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_30[63:63], v_skolemized_q#valueAsBitvector_30[62:52], v_skolemized_q#valueAsBitvector_30[51:0])) && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_30[63:63], v_skolemized_q#valueAsBitvector_30[62:52], v_skolemized_q#valueAsBitvector_30[51:0]), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 23:38:01,817 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && (\exists v_skolemized_q#valueAsBitvector_24 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8 : bv32, currentRoundingMode : FloatRoundingMode :: (((~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][4bv32]) == ix && lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][0bv32]) && v_skolemized_q#valueAsBitvector_24[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_24[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][0bv32]) && ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_24[63:63], v_skolemized_q#valueAsBitvector_24[62:52], v_skolemized_q#valueAsBitvector_24[51:0]))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && (\exists v_skolemized_q#valueAsBitvector_30 : bv64 :: (!(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_30[63:32])), 31bv32) == 0bv32) && y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_30[63:63], v_skolemized_q#valueAsBitvector_30[62:52], v_skolemized_q#valueAsBitvector_30[51:0])) && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_30[63:63], v_skolemized_q#valueAsBitvector_30[62:52], v_skolemized_q#valueAsBitvector_30[51:0]), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36][4bv32] == v_skolemized_q#valueAsBitvector_36[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36][0bv32] == v_skolemized_q#valueAsBitvector_36[31:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 23:38:01,818 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 23:38:01,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:38:01,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:38:01,864 INFO L158 Benchmark]: Toolchain (without parser) took 321581.08ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.4MB in the beginning and 37.1MB in the end (delta: -8.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-20 23:38:01,864 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:38:01,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.69ms. Allocated memory is still 52.4MB. Free memory was 28.3MB in the beginning and 25.2MB in the end (delta: 3.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-20 23:38:01,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.51ms. Allocated memory is still 52.4MB. Free memory was 25.2MB in the beginning and 22.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:38:01,865 INFO L158 Benchmark]: Boogie Preprocessor took 120.84ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 22.6MB in the beginning and 43.3MB in the end (delta: -20.7MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-20 23:38:01,868 INFO L158 Benchmark]: RCFGBuilder took 22119.71ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 28.9MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 23:38:01,870 INFO L158 Benchmark]: TraceAbstraction took 298712.56ms. Allocated memory is still 62.9MB. Free memory was 28.3MB in the beginning and 21.5MB in the end (delta: 6.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-20 23:38:01,871 INFO L158 Benchmark]: Witness Printer took 94.42ms. Allocated memory is still 62.9MB. Free memory was 21.5MB in the beginning and 37.1MB in the end (delta: -15.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-20 23:38:01,874 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 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.69ms. Allocated memory is still 52.4MB. Free memory was 28.3MB in the beginning and 25.2MB in the end (delta: 3.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.51ms. Allocated memory is still 52.4MB. Free memory was 25.2MB in the beginning and 22.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.84ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 22.6MB in the beginning and 43.3MB in the end (delta: -20.7MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * RCFGBuilder took 22119.71ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 28.9MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 298712.56ms. Allocated memory is still 62.9MB. Free memory was 28.3MB in the beginning and 21.5MB in the end (delta: 6.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 94.42ms. Allocated memory is still 62.9MB. Free memory was 21.5MB in the beginning and 37.1MB in the end (delta: -15.6MB). Peak memory consumption was 6.8MB. 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[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 287]: 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, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 298.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 54.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 383 SdHoareTripleChecker+Valid, 48.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 377 mSDsluCounter, 11415 SdHoareTripleChecker+Invalid, 46.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 438 IncrementalHoareTripleChecker+Unchecked, 9896 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 224 IncrementalHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 1519 mSDtfsCounter, 224 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 725 GetRequests, 593 SyntacticMatches, 3 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 146.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 87 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 82 PreInvPairs, 90 NumberOfFragments, 402 HoareAnnotationTreeSize, 82 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 220 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 232.5s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 718 ConstructedInterpolants, 398 QuantifiedInterpolants, 10348 SizeOfPredicates, 136 NumberOfNonLiveVariables, 2275 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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: 149]: Loop Invariant [2021-11-20 23:38:01,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,915 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,915 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,915 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,915 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,915 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,927 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5 : bv32 :: ((~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == y && !(0bv32 == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32]), 2148532224bv32), 31bv32))) && v_skolemized_q#valueAsBitvector_23[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][0bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_23[63:32])) && (\exists v_skolemized_q#valueAsBitvector_30 : bv64 :: (!(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_30[63:32])), 31bv32) == 0bv32) && y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_30[63:63], v_skolemized_q#valueAsBitvector_30[62:52], v_skolemized_q#valueAsBitvector_30[51:0])) && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_30[63:63], v_skolemized_q#valueAsBitvector_30[62:52], v_skolemized_q#valueAsBitvector_30[51:0]), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant [2021-11-20 23:38:01,929 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,930 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && x == y) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 156]: Loop Invariant [2021-11-20 23:38:01,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8,QUANTIFIED] [2021-11-20 23:38:01,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2021-11-20 23:38:01,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_30,QUANTIFIED] [2021-11-20 23:38:01,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36,QUANTIFIED] [2021-11-20 23:38:01,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-11-20 23:38:01,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && (\exists v_skolemized_q#valueAsBitvector_24 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8 : bv32, currentRoundingMode : FloatRoundingMode :: (((~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][4bv32]) == ix && lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][0bv32]) && v_skolemized_q#valueAsBitvector_24[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_24[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_8][0bv32]) && ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_24[63:63], v_skolemized_q#valueAsBitvector_24[62:52], v_skolemized_q#valueAsBitvector_24[51:0]))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && (\exists v_skolemized_q#valueAsBitvector_30 : bv64 :: (!(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_30[63:32])), 31bv32) == 0bv32) && y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_30[63:63], v_skolemized_q#valueAsBitvector_30[62:52], v_skolemized_q#valueAsBitvector_30[51:0])) && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_30[63:63], v_skolemized_q#valueAsBitvector_30[62:52], v_skolemized_q#valueAsBitvector_30[51:0]), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36][4bv32] == v_skolemized_q#valueAsBitvector_36[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_36][0bv32] == v_skolemized_q#valueAsBitvector_36[31:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 261]: Loop Invariant [2021-11-20 23:38:01,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,948 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,948 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,949 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,949 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,949 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5,QUANTIFIED] [2021-11-20 23:38:01,949 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-20 23:38:01,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5 : bv32 :: ((\result == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32]), 2148532224bv32), 31bv32) && v_skolemized_q#valueAsBitvector_23[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][0bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_5][4bv32] == v_skolemized_q#valueAsBitvector_23[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == y)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant [2021-11-20 23:38:01,953 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,954 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant [2021-11-20 23:38:01,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant [2021-11-20 23:38:01,958 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,959 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 23:38:01,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 23:38:01,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) RESULT: Ultimate proved your program to be correct! [2021-11-20 23:38:02,183 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 23:38:02,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3cd86d-b6f9-4289-8500-045788f24edc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE