./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan --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 4067ad1b598c9ecb9f285b79932b541dc69ac510 .................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan --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 4067ad1b598c9ecb9f285b79932b541dc69ac510 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 14:11:42,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:11:42,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:11:42,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:11:42,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:11:42,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:11:42,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:11:42,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:11:42,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:11:42,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:11:42,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:11:42,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:11:42,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:11:42,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:11:42,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:11:42,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:11:42,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:11:42,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:11:42,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:11:42,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:11:42,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:11:42,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:11:42,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:11:42,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:11:42,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:11:42,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:11:42,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:11:42,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:11:42,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:11:42,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:11:42,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:11:42,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:11:42,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:11:42,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:11:42,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:11:42,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:11:42,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:11:42,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:11:42,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:11:42,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:11:42,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:11:42,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 14:11:42,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:11:42,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:11:42,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:11:42,678 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:11:42,678 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:11:42,678 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:11:42,678 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 14:11:42,678 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:11:42,678 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:11:42,678 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 14:11:42,679 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 14:11:42,679 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:11:42,679 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 14:11:42,679 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 14:11:42,679 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 14:11:42,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:11:42,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:11:42,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:11:42,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:11:42,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:11:42,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:11:42,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:11:42,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:11:42,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:11:42,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:11:42,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 14:11:42,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 14:11:42,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:11:42,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:11:42,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:11:42,682 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-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4067ad1b598c9ecb9f285b79932b541dc69ac510 [2020-12-09 14:11:42,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:11:42,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:11:42,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:11:42,889 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:11:42,890 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:11:42,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c [2020-12-09 14:11:42,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data/5e94281f4/f62e5b2bf10f4007b733c8b15eea0c70/FLAG09a00a4f1 [2020-12-09 14:11:43,356 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:11:43,356 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/sv-benchmarks/c/float-newlib/float_req_bl_0680a.c [2020-12-09 14:11:43,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data/5e94281f4/f62e5b2bf10f4007b733c8b15eea0c70/FLAG09a00a4f1 [2020-12-09 14:11:43,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data/5e94281f4/f62e5b2bf10f4007b733c8b15eea0c70 [2020-12-09 14:11:43,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:11:43,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:11:43,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:11:43,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:11:43,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:11:43,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b784a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43, skipping insertion in model container [2020-12-09 14:11:43,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:11:43,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:11:43,533 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/sv-benchmarks/c/float-newlib/float_req_bl_0680a.c[5219,5232] [2020-12-09 14:11:43,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:11:43,543 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:11:43,577 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/sv-benchmarks/c/float-newlib/float_req_bl_0680a.c[5219,5232] [2020-12-09 14:11:43,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:11:43,592 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:11:43,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43 WrapperNode [2020-12-09 14:11:43,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:11:43,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:11:43,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:11:43,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:11:43,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:11:43,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:11:43,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:11:43,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:11:43,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... [2020-12-09 14:11:43,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:11:43,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:11:43,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:11:43,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:11:43,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:11:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 14:11:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:11:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 14:11:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 14:11:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 14:11:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:11:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:11:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 14:11:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 14:11:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 14:11:44,353 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:11:44,353 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-09 14:11:44,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:11:44 BoogieIcfgContainer [2020-12-09 14:11:44,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:11:44,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:11:44,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:11:44,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:11:44,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:11:43" (1/3) ... [2020-12-09 14:11:44,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b97362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:11:44, skipping insertion in model container [2020-12-09 14:11:44,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:43" (2/3) ... [2020-12-09 14:11:44,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b97362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:11:44, skipping insertion in model container [2020-12-09 14:11:44,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:11:44" (3/3) ... [2020-12-09 14:11:44,361 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680a.c [2020-12-09 14:11:44,370 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:11:44,373 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 14:11:44,381 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 14:11:44,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:11:44,398 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 14:11:44,399 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:11:44,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:11:44,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:11:44,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:11:44,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:11:44,399 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:11:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-12-09 14:11:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 14:11:44,413 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:11:44,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:11:44,413 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:11:44,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:11:44,417 INFO L82 PathProgramCache]: Analyzing trace with hash -548670750, now seen corresponding path program 1 times [2020-12-09 14:11:44,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:11:44,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750610222] [2020-12-09 14:11:44,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:11:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:11:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:11:44,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750610222] [2020-12-09 14:11:44,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:11:44,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:11:44,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255017392] [2020-12-09 14:11:44,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 14:11:44,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:11:44,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 14:11:44,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 14:11:44,553 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-12-09 14:11:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:11:44,569 INFO L93 Difference]: Finished difference Result 151 states and 259 transitions. [2020-12-09 14:11:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 14:11:44,570 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-09 14:11:44,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:11:44,577 INFO L225 Difference]: With dead ends: 151 [2020-12-09 14:11:44,577 INFO L226 Difference]: Without dead ends: 74 [2020-12-09 14:11:44,579 INFO L677 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 [2020-12-09 14:11:44,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-12-09 14:11:44,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-12-09 14:11:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-09 14:11:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 103 transitions. [2020-12-09 14:11:44,605 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 103 transitions. Word has length 9 [2020-12-09 14:11:44,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:11:44,605 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 103 transitions. [2020-12-09 14:11:44,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 14:11:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2020-12-09 14:11:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 14:11:44,605 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:11:44,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:11:44,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 14:11:44,606 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:11:44,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:11:44,606 INFO L82 PathProgramCache]: Analyzing trace with hash 820888459, now seen corresponding path program 1 times [2020-12-09 14:11:44,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:11:44,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214555539] [2020-12-09 14:11:44,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:11:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 14:11:44,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 14:11:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 14:11:44,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 14:11:44,716 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 14:11:44,716 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 14:11:44,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 14:11:44,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:11:44 BoogieIcfgContainer [2020-12-09 14:11:44,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:11:44,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:11:44,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:11:44,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:11:44,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:11:44" (3/4) ... [2020-12-09 14:11:44,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 14:11:44,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:11:44,751 INFO L168 Benchmark]: Toolchain (without parser) took 1375.37 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 81.9 MB in the beginning and 97.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:44,752 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 67.1 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:11:44,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.08 ms. Allocated memory is still 104.9 MB. Free memory was 81.5 MB in the beginning and 67.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:44,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.10 ms. Allocated memory is still 104.9 MB. Free memory was 67.7 MB in the beginning and 64.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:44,754 INFO L168 Benchmark]: Boogie Preprocessor took 45.15 ms. Allocated memory is still 104.9 MB. Free memory was 64.4 MB in the beginning and 61.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:44,755 INFO L168 Benchmark]: RCFGBuilder took 659.40 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 61.8 MB in the beginning and 80.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:44,755 INFO L168 Benchmark]: TraceAbstraction took 388.54 ms. Allocated memory is still 125.8 MB. Free memory was 80.4 MB in the beginning and 97.0 MB in the end (delta: -16.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:44,756 INFO L168 Benchmark]: Witness Printer took 3.88 ms. Allocated memory is still 125.8 MB. Free memory is still 97.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:11:44,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 67.1 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 218.08 ms. Allocated memory is still 104.9 MB. Free memory was 81.5 MB in the beginning and 67.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.10 ms. Allocated memory is still 104.9 MB. Free memory was 67.7 MB in the beginning and 64.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.15 ms. Allocated memory is still 104.9 MB. Free memory was 64.4 MB in the beginning and 61.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 659.40 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 61.8 MB in the beginning and 80.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 388.54 ms. Allocated memory is still 125.8 MB. Free memory was 80.4 MB in the beginning and 97.0 MB in the end (delta: -16.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.88 ms. Allocated memory is still 125.8 MB. Free memory is still 97.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 228]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 227, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 222, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L222] float x = -0.0f; [L223] float y = 0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float res = __ieee754_atan2f(y, x); [L227] COND TRUE res != pi VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L228] reach_error() VAL [aT_atan={7:0}, atanhi_atan={6:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 105 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 14:11:46,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:11:46,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:11:46,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:11:46,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:11:46,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:11:46,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:11:46,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:11:46,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:11:46,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:11:46,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:11:46,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:11:46,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:11:46,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:11:46,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:11:46,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:11:46,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:11:46,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:11:46,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:11:46,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:11:46,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:11:46,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:11:46,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:11:46,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:11:46,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:11:46,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:11:46,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:11:46,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:11:46,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:11:46,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:11:46,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:11:46,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:11:46,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:11:46,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:11:46,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:11:46,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:11:46,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:11:46,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:11:46,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:11:46,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:11:46,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:11:46,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 14:11:46,431 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:11:46,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:11:46,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:11:46,432 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:11:46,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:11:46,432 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:11:46,432 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:11:46,432 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:11:46,432 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:11:46,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:11:46,433 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:11:46,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:11:46,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:11:46,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:11:46,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:11:46,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:11:46,434 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:11:46,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 14:11:46,434 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 14:11:46,434 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:11:46,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:11:46,434 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:11:46,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:11:46,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:11:46,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 14:11:46,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:11:46,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:11:46,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:11:46,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:11:46,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:11:46,436 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 14:11:46,436 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 14:11:46,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:11:46,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:11:46,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:11:46,436 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-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4067ad1b598c9ecb9f285b79932b541dc69ac510 [2020-12-09 14:11:46,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:11:46,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:11:46,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:11:46,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:11:46,682 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:11:46,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0680a.c [2020-12-09 14:11:46,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data/0170bb484/57fd63e0b86e48708d8f96ee15f8cb29/FLAG62e25ec17 [2020-12-09 14:11:47,147 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:11:47,147 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/sv-benchmarks/c/float-newlib/float_req_bl_0680a.c [2020-12-09 14:11:47,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data/0170bb484/57fd63e0b86e48708d8f96ee15f8cb29/FLAG62e25ec17 [2020-12-09 14:11:47,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/data/0170bb484/57fd63e0b86e48708d8f96ee15f8cb29 [2020-12-09 14:11:47,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:11:47,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:11:47,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:11:47,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:11:47,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:11:47,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221686f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47, skipping insertion in model container [2020-12-09 14:11:47,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:11:47,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:11:47,331 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/sv-benchmarks/c/float-newlib/float_req_bl_0680a.c[5219,5232] [2020-12-09 14:11:47,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:11:47,344 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:11:47,404 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/sv-benchmarks/c/float-newlib/float_req_bl_0680a.c[5219,5232] [2020-12-09 14:11:47,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:11:47,429 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:11:47,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47 WrapperNode [2020-12-09 14:11:47,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:11:47,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:11:47,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:11:47,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:11:47,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:11:47,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:11:47,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:11:47,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:11:47,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... [2020-12-09 14:11:47,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:11:47,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:11:47,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:11:47,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:11:47,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:11:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-09 14:11:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 14:11:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:11:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 14:11:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 14:11:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:11:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:11:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 14:11:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 14:11:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 14:12:19,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:12:19,403 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-09 14:12:19,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:12:19 BoogieIcfgContainer [2020-12-09 14:12:19,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:12:19,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:12:19,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:12:19,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:12:19,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:11:47" (1/3) ... [2020-12-09 14:12:19,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf33b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:12:19, skipping insertion in model container [2020-12-09 14:12:19,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:11:47" (2/3) ... [2020-12-09 14:12:19,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf33b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:12:19, skipping insertion in model container [2020-12-09 14:12:19,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:12:19" (3/3) ... [2020-12-09 14:12:19,410 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680a.c [2020-12-09 14:12:19,420 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:12:19,423 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 14:12:19,430 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 14:12:19,446 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:12:19,446 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 14:12:19,446 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:12:19,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:12:19,446 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:12:19,446 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:12:19,446 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:12:19,447 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:12:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2020-12-09 14:12:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 14:12:19,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:12:19,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:12:19,460 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:12:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:12:19,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2020-12-09 14:12:19,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:12:19,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806233172] [2020-12-09 14:12:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 14:12:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:12:20,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 14:12:20,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:12:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:12:20,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:12:20,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806233172] [2020-12-09 14:12:20,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:12:20,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:12:20,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121383710] [2020-12-09 14:12:20,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 14:12:20,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:12:20,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 14:12:20,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 14:12:20,338 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2020-12-09 14:12:20,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:12:20,358 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2020-12-09 14:12:20,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 14:12:20,359 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 14:12:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:12:20,366 INFO L225 Difference]: With dead ends: 216 [2020-12-09 14:12:20,366 INFO L226 Difference]: Without dead ends: 106 [2020-12-09 14:12:20,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 14:12:20,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-09 14:12:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-12-09 14:12:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-09 14:12:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2020-12-09 14:12:20,396 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2020-12-09 14:12:20,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:12:20,396 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2020-12-09 14:12:20,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 14:12:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2020-12-09 14:12:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 14:12:20,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:12:20,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:12:20,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 14:12:20,598 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:12:20,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:12:20,599 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2020-12-09 14:12:20,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:12:20,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72684286] [2020-12-09 14:12:20,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 14:12:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:12:21,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 14:12:21,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:12:21,541 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 14:12:21,542 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 14:12:21,603 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 14:12:21,607 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 14:12:21,608 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:33 [2020-12-09 14:12:21,811 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-12-09 14:12:21,814 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 14:12:21,860 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 14:12:21,862 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 14:12:21,863 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:25 [2020-12-09 14:12:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:12:22,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:12:22,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72684286] [2020-12-09 14:12:22,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:12:22,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 14:12:22,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585505175] [2020-12-09 14:12:22,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 14:12:22,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:12:22,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 14:12:22,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-09 14:12:22,153 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand 7 states. [2020-12-09 14:12:32,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:12:32,112 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2020-12-09 14:12:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 14:12:32,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-12-09 14:12:32,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:12:32,116 INFO L225 Difference]: With dead ends: 113 [2020-12-09 14:12:32,116 INFO L226 Difference]: Without dead ends: 48 [2020-12-09 14:12:32,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-12-09 14:12:32,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-09 14:12:32,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-12-09 14:12:32,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-09 14:12:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2020-12-09 14:12:32,124 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 12 [2020-12-09 14:12:32,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:12:32,124 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2020-12-09 14:12:32,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 14:12:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-12-09 14:12:32,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 14:12:32,125 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:12:32,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:12:32,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 14:12:32,326 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:12:32,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:12:32,328 INFO L82 PathProgramCache]: Analyzing trace with hash 851663127, now seen corresponding path program 1 times [2020-12-09 14:12:32,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:12:32,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188313307] [2020-12-09 14:12:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 14:12:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:12:33,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 14:12:33,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:12:33,265 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:12:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:12:33,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:12:33,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188313307] [2020-12-09 14:12:33,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:12:33,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 14:12:33,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578040511] [2020-12-09 14:12:33,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 14:12:33,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:12:33,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 14:12:33,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 14:12:33,341 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand 6 states. [2020-12-09 14:12:33,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:12:33,973 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-12-09 14:12:33,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 14:12:33,974 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-12-09 14:12:33,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:12:33,974 INFO L225 Difference]: With dead ends: 60 [2020-12-09 14:12:33,974 INFO L226 Difference]: Without dead ends: 24 [2020-12-09 14:12:33,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 14:12:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-09 14:12:33,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-12-09 14:12:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-09 14:12:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-12-09 14:12:33,977 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2020-12-09 14:12:33,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:12:33,978 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-12-09 14:12:33,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 14:12:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-12-09 14:12:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 14:12:33,978 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:12:33,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:12:34,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 14:12:34,180 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:12:34,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:12:34,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1894733472, now seen corresponding path program 1 times [2020-12-09 14:12:34,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:12:34,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236788535] [2020-12-09 14:12:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 14:12:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:12:35,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 14:12:35,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:12:35,276 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 14:12:35,566 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 14:12:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:12:35,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:12:35,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236788535] [2020-12-09 14:12:35,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:12:35,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 14:12:35,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99600711] [2020-12-09 14:12:35,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 14:12:35,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:12:35,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 14:12:35,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 14:12:35,575 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 5 states. [2020-12-09 14:12:36,113 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2020-12-09 14:12:36,647 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2020-12-09 14:12:36,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:12:36,897 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2020-12-09 14:12:36,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 14:12:36,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-12-09 14:12:36,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:12:36,899 INFO L225 Difference]: With dead ends: 28 [2020-12-09 14:12:36,899 INFO L226 Difference]: Without dead ends: 24 [2020-12-09 14:12:36,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 14:12:36,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-09 14:12:36,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-12-09 14:12:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-09 14:12:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2020-12-09 14:12:36,903 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2020-12-09 14:12:36,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:12:36,903 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2020-12-09 14:12:36,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 14:12:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2020-12-09 14:12:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 14:12:36,904 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:12:36,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:12:37,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 14:12:37,106 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:12:37,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:12:37,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1386426768, now seen corresponding path program 1 times [2020-12-09 14:12:37,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:12:37,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438326986] [2020-12-09 14:12:37,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 14:12:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:12:37,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 14:12:37,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:12:38,025 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 14:12:38,027 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 14:12:38,099 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 14:12:38,102 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 14:12:38,102 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:33 [2020-12-09 14:12:38,218 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2020-12-09 14:12:38,220 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 14:12:38,258 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 14:12:38,259 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-09 14:12:38,260 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:20 [2020-12-09 14:12:38,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:12:38,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:12:38,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:12:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:12:38,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:12:38,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438326986] [2020-12-09 14:12:38,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:12:38,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 14:12:38,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243620742] [2020-12-09 14:12:38,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 14:12:38,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:12:38,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 14:12:38,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-09 14:12:38,584 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 7 states. [2020-12-09 14:12:39,395 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-09 14:12:39,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:12:39,396 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2020-12-09 14:12:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 14:12:39,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-09 14:12:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:12:39,397 INFO L225 Difference]: With dead ends: 24 [2020-12-09 14:12:39,397 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 14:12:39,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-09 14:12:39,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 14:12:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 14:12:39,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 14:12:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 14:12:39,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-12-09 14:12:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:12:39,398 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 14:12:39,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 14:12:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 14:12:39,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 14:12:39,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 14:12:39,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 14:12:40,027 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-12-09 14:12:40,289 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-09 14:12:40,325 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-09 14:12:40,325 INFO L262 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-12-09 14:12:40,325 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 14:12:40,326 INFO L262 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-12-09 14:12:40,326 INFO L258 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp.add roundNearestTiesToEven ~pi~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hx~1 (_ bv30 32))))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (fp.neg (_ +zero 8 24))))))) [2020-12-09 14:12:40,326 INFO L262 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-12-09 14:12:40,327 INFO L262 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-12-09 14:12:40,328 INFO L262 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-12-09 14:12:40,329 INFO L262 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-12-09 14:12:40,329 INFO L262 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-12-09 14:12:40,329 INFO L262 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-12-09 14:12:40,329 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-12-09 14:12:40,329 INFO L262 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-12-09 14:12:40,329 INFO L262 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-12-09 14:12:40,332 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 14:12:40,332 INFO L262 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-12-09 14:12:40,332 INFO L262 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-12-09 14:12:40,332 INFO L262 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-12-09 14:12:40,332 INFO L262 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-12-09 14:12:40,333 INFO L262 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-12-09 14:12:40,333 INFO L262 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-12-09 14:12:40,333 INFO L258 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-12-09 14:12:40,333 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-12-09 14:12:40,333 INFO L262 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-12-09 14:12:40,333 INFO L258 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-12-09 14:12:40,333 INFO L262 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-12-09 14:12:40,333 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 14:12:40,333 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 14:12:40,333 INFO L262 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-12-09 14:12:40,334 INFO L262 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-12-09 14:12:40,334 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-12-09 14:12:40,334 INFO L258 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-12-09 14:12:40,334 INFO L262 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-12-09 14:12:40,334 INFO L262 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-12-09 14:12:40,334 INFO L258 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-12-09 14:12:40,334 INFO L258 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-12-09 14:12:40,334 INFO L258 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-12-09 14:12:40,334 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-12-09 14:12:40,335 INFO L262 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-12-09 14:12:40,336 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 14:12:40,337 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 14:12:40,337 INFO L262 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-12-09 14:12:40,337 INFO L262 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-12-09 14:12:40,337 INFO L258 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-12-09 14:12:40,337 INFO L262 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-12-09 14:12:40,337 INFO L262 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-12-09 14:12:40,337 INFO L262 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-12-09 14:12:40,337 INFO L258 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-12-09 14:12:40,337 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-09 14:12:40,337 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_atan2f_~x (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (fp.neg (_ +zero 8 24))) (= .cse1 ULTIMATE.start___ieee754_atan2f_~hx~1))))) [2020-12-09 14:12:40,338 INFO L262 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L262 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L262 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L262 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-12-09 14:12:40,338 INFO L258 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-12-09 14:12:40,339 INFO L262 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-12-09 14:12:40,339 INFO L258 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-12-09 14:12:40,339 INFO L262 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-12-09 14:12:40,339 INFO L258 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-12-09 14:12:40,339 INFO L262 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-12-09 14:12:40,339 INFO L258 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-12-09 14:12:40,339 INFO L262 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-12-09 14:12:40,339 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-12-09 14:12:40,339 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 14:12:40,339 INFO L265 CegarLoopResult]: At program point L232(lines 217 233) the Hoare annotation is: true [2020-12-09 14:12:40,339 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-09 14:12:40,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,358 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,358 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,358 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,360 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,361 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:12:40 BoogieIcfgContainer [2020-12-09 14:12:40,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:12:40,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:12:40,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:12:40,366 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:12:40,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:12:19" (3/4) ... [2020-12-09 14:12:40,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 14:12:40,383 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-09 14:12:40,383 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-09 14:12:40,384 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 14:12:40,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 14:12:40,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0])) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7][0bv32] == hx) [2020-12-09 14:12:40,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp.add~FLOAT(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists v_arrayElimCell_1 : bv32 :: ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix && ~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) [2020-12-09 14:12:40,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1913e6cf-e42e-4b6f-b622-20859ea0951c/bin/utaipan/witness.graphml [2020-12-09 14:12:40,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:12:40,441 INFO L168 Benchmark]: Toolchain (without parser) took 53271.77 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 48.0 MB in the beginning and 50.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-12-09 14:12:40,441 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 65.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:12:40,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.01 ms. Allocated memory is still 65.0 MB. Free memory was 47.8 MB in the beginning and 45.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 14:12:40,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.57 ms. Allocated memory is still 65.0 MB. Free memory was 45.3 MB in the beginning and 41.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:12:40,442 INFO L168 Benchmark]: Boogie Preprocessor took 55.33 ms. Allocated memory is still 65.0 MB. Free memory was 41.8 MB in the beginning and 38.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:12:40,442 INFO L168 Benchmark]: RCFGBuilder took 31858.22 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 38.3 MB in the beginning and 45.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:12:40,443 INFO L168 Benchmark]: TraceAbstraction took 20959.99 ms. Allocated memory is still 86.0 MB. Free memory was 45.4 MB in the beginning and 57.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-12-09 14:12:40,443 INFO L168 Benchmark]: Witness Printer took 74.43 ms. Allocated memory is still 86.0 MB. Free memory was 57.4 MB in the beginning and 50.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 14:12:40,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 65.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 260.01 ms. Allocated memory is still 65.0 MB. Free memory was 47.8 MB in the beginning and 45.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.57 ms. Allocated memory is still 65.0 MB. Free memory was 45.3 MB in the beginning and 41.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.33 ms. Allocated memory is still 65.0 MB. Free memory was 41.8 MB in the beginning and 38.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 31858.22 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 38.3 MB in the beginning and 45.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20959.99 ms. Allocated memory is still 86.0 MB. Free memory was 45.4 MB in the beginning and 57.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Witness Printer took 74.43 ms. Allocated memory is still 86.0 MB. Free memory was 57.4 MB in the beginning and 50.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 228]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-12-09 14:12:40,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-12-09 14:12:40,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,451 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2020-12-09 14:12:40,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] [2020-12-09 14:12:40,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7,QUANTIFIED] Derived loop invariant: ((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0])) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_7][0bv32] == hx) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2020-12-09 14:12:40,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 14:12:40,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 14:12:40,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2020-12-09 14:12:40,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] Derived loop invariant: (((((((((~fp.add~FLOAT(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists v_arrayElimCell_1 : bv32 :: ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix && ~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 252 SDtfs, 251 SDslu, 160 SDs, 0 SdLazy, 122 SolverSat, 15 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 238 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 41 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 71 ConstructedInterpolants, 14 QuantifiedInterpolants, 15013 SizeOfPredicates, 33 NumberOfNonLiveVariables, 569 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 proved your program to be correct! Received shutdown request...