./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0550a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0550a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7 --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 063973d0b8ff2c62d58397d3f439ae9b43bd56c1982411b931e1da0805487c85 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:48:23,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:48:23,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:48:23,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:48:23,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:48:23,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:48:23,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:48:23,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:48:23,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:48:23,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:48:23,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:48:23,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:48:23,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:48:23,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:48:23,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:48:23,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:48:23,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:48:23,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:48:23,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:48:23,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:48:23,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:48:23,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:48:23,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:48:23,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:48:23,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:48:24,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:48:24,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:48:24,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:48:24,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:48:24,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:48:24,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:48:24,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:48:24,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:48:24,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:48:24,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:48:24,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:48:24,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:48:24,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:48:24,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:48:24,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:48:24,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:48:24,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:48:24,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:48:24,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:48:24,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:48:24,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:48:24,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:48:24,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:48:24,072 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:48:24,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:48:24,073 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:48:24,073 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:48:24,074 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:48:24,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:48:24,075 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:48:24,075 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:48:24,075 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:48:24,075 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:48:24,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:48:24,076 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:48:24,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:48:24,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:48:24,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:48:24,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:48:24,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:48:24,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:48:24,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:48:24,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:48:24,080 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:48:24,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:48:24,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:48:24,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:48:24,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:48:24,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:48:24,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:48:24,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:48:24,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:48:24,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:48:24,082 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:48:24,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:48:24,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:48:24,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:48:24,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:48:24,083 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063973d0b8ff2c62d58397d3f439ae9b43bd56c1982411b931e1da0805487c85 [2021-11-25 19:48:24,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:48:24,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:48:24,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:48:24,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:48:24,370 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:48:24,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/double_req_bl_0550a.c [2021-11-25 19:48:24,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data/d96ef6c4d/7a1f93bffec84963a5fe55c8a7602403/FLAG5b60757ef [2021-11-25 19:48:25,050 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:48:25,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c [2021-11-25 19:48:25,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data/d96ef6c4d/7a1f93bffec84963a5fe55c8a7602403/FLAG5b60757ef [2021-11-25 19:48:25,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data/d96ef6c4d/7a1f93bffec84963a5fe55c8a7602403 [2021-11-25 19:48:25,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:48:25,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:48:25,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:48:25,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:48:25,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:48:25,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:25,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2dc4b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25, skipping insertion in model container [2021-11-25 19:48:25,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:25,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:48:25,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:48:25,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c[16148,16161] [2021-11-25 19:48:25,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:48:25,816 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:48:25,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c[16148,16161] [2021-11-25 19:48:25,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:48:25,968 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:48:25,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25 WrapperNode [2021-11-25 19:48:25,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:48:25,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:48:25,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:48:25,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:48:25,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,115 INFO L137 Inliner]: procedures = 25, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 961 [2021-11-25 19:48:26,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:48:26,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:48:26,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:48:26,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:48:26,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:48:26,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:48:26,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:48:26,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:48:26,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (1/1) ... [2021-11-25 19:48:26,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:48:26,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:48:26,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:48:26,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:48:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:48:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-25 19:48:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-25 19:48:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:48:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-25 19:48:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-25 19:48:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 19:48:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:48:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-25 19:48:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-11-25 19:48:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-11-25 19:48:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:48:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 19:48:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-25 19:48:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-25 19:48:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:48:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:48:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:48:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:48:26,592 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:48:26,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:48:27,851 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:48:28,156 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:48:28,156 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-25 19:48:28,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:48:28 BoogieIcfgContainer [2021-11-25 19:48:28,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:48:28,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:48:28,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:48:28,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:48:28,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:48:25" (1/3) ... [2021-11-25 19:48:28,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d42366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:48:28, skipping insertion in model container [2021-11-25 19:48:28,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:25" (2/3) ... [2021-11-25 19:48:28,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d42366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:48:28, skipping insertion in model container [2021-11-25 19:48:28,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:48:28" (3/3) ... [2021-11-25 19:48:28,168 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0550a.c [2021-11-25 19:48:28,174 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:48:28,175 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:48:28,230 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:48:28,238 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:48:28,238 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:48:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 150 states have (on average 1.7) internal successors, (255), 151 states have internal predecessors, (255), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:48:28,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:48:28,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:28,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:48:28,267 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:48:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:28,273 INFO L85 PathProgramCache]: Analyzing trace with hash -603861719, now seen corresponding path program 1 times [2021-11-25 19:48:28,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:28,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852216349] [2021-11-25 19:48:28,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:28,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:48:28,596 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:28,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852216349] [2021-11-25 19:48:28,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852216349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:28,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:28,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:48:28,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619493606] [2021-11-25 19:48:28,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:28,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:48:28,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:28,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:48:28,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:48:28,639 INFO L87 Difference]: Start difference. First operand has 167 states, 150 states have (on average 1.7) internal successors, (255), 151 states have internal predecessors, (255), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:48:28,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:28,912 INFO L93 Difference]: Finished difference Result 333 states and 564 transitions. [2021-11-25 19:48:28,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:48:28,917 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:48:28,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:28,934 INFO L225 Difference]: With dead ends: 333 [2021-11-25 19:48:28,935 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 19:48:28,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:48:28,955 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:28,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 19:48:28,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 19:48:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-25 19:48:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 149 states have (on average 1.3758389261744965) internal successors, (205), 149 states have internal predecessors, (205), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:48:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 227 transitions. [2021-11-25 19:48:29,016 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 227 transitions. Word has length 8 [2021-11-25 19:48:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:29,016 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 227 transitions. [2021-11-25 19:48:29,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:48:29,017 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2021-11-25 19:48:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:48:29,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:29,018 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:48:29,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:48:29,018 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:48:29,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:29,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1223437911, now seen corresponding path program 1 times [2021-11-25 19:48:29,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:29,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578279248] [2021-11-25 19:48:29,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:29,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:48:29,139 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:48:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:48:29,320 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:48:29,321 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:48:29,323 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:48:29,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:48:29,330 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 19:48:29,333 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:48:29,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:48:29 BoogieIcfgContainer [2021-11-25 19:48:29,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:48:29,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:48:29,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:48:29,387 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:48:29,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:48:28" (3/4) ... [2021-11-25 19:48:29,391 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:48:29,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:48:29,393 INFO L158 Benchmark]: Toolchain (without parser) took 4047.28ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 64.4MB in the beginning and 67.4MB in the end (delta: -3.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-11-25 19:48:29,393 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:48:29,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.04ms. Allocated memory is still 107.0MB. Free memory was 64.2MB in the beginning and 64.4MB in the end (delta: -131.9kB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-25 19:48:29,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.19ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 58.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:48:29,396 INFO L158 Benchmark]: Boogie Preprocessor took 163.87ms. Allocated memory is still 107.0MB. Free memory was 58.2MB in the beginning and 51.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:48:29,397 INFO L158 Benchmark]: RCFGBuilder took 1878.25ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 51.9MB in the beginning and 70.0MB in the end (delta: -18.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2021-11-25 19:48:29,398 INFO L158 Benchmark]: TraceAbstraction took 1225.00ms. Allocated memory is still 130.0MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-11-25 19:48:29,398 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 130.0MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:48:29,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.04ms. Allocated memory is still 107.0MB. Free memory was 64.2MB in the beginning and 64.4MB in the end (delta: -131.9kB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.19ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 58.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 163.87ms. Allocated memory is still 107.0MB. Free memory was 58.2MB in the beginning and 51.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1878.25ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 51.9MB in the beginning and 70.0MB in the end (delta: -18.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1225.00ms. Allocated memory is still 130.0MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 130.0MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 538, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L108-L110] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L179] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L181-L186] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L188-L190] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L365-L376] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L378-L385] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L387-L396] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L529-L540] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; [L644] double x = 1.0 / 0.0; [L645] CALL, EXPR tan_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L619] ieee_double_shape_type gh_u; [L620] gh_u.value = (x) [L621] EXPR gh_u.parts.msw [L621] (ix) = gh_u.parts.msw [L624] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L625] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L628] COND TRUE ix >= 0x7ff00000 [L629] return x - x; [L629] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L645] RET, EXPR tan_double(x) [L645] double res = tan_double(x); [L648] CALL, EXPR isnan_double(res) [L20] return x != x; [L648] RET, EXPR isnan_double(res) [L648] COND TRUE !isnan_double(res) [L649] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 167 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 175 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 175 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 19:48:29,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0550a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7 --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 063973d0b8ff2c62d58397d3f439ae9b43bd56c1982411b931e1da0805487c85 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:48:32,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:48:32,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:48:32,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:48:32,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:48:32,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:48:32,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:48:32,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:48:32,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:48:32,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:48:32,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:48:32,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:48:32,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:48:32,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:48:32,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:48:32,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:48:32,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:48:32,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:48:32,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:48:32,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:48:32,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:48:32,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:48:32,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:48:32,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:48:32,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:48:32,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:48:32,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:48:32,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:48:32,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:48:32,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:48:32,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:48:32,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:48:32,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:48:32,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:48:32,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:48:32,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:48:32,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:48:32,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:48:32,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:48:32,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:48:32,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:48:32,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 19:48:32,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:48:32,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:48:32,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:48:32,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:48:32,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:48:32,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:48:32,281 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:48:32,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:48:32,281 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:48:32,282 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:48:32,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:48:32,283 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:48:32,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:48:32,285 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:48:32,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:48:32,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:48:32,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:48:32,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:48:32,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:48:32,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:48:32,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:48:32,287 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:48:32,287 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:48:32,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:48:32,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:48:32,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:48:32,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:48:32,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:48:32,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:48:32,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:48:32,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:48:32,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:48:32,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:48:32,290 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:48:32,291 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:48:32,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:48:32,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:48:32,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:48:32,292 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063973d0b8ff2c62d58397d3f439ae9b43bd56c1982411b931e1da0805487c85 [2021-11-25 19:48:32,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:48:32,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:48:32,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:48:32,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:48:32,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:48:32,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/double_req_bl_0550a.c [2021-11-25 19:48:32,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data/cdb01b1f0/89eb28e03d794993b84880fa773d3d87/FLAGcd1de0479 [2021-11-25 19:48:33,557 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:48:33,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c [2021-11-25 19:48:33,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data/cdb01b1f0/89eb28e03d794993b84880fa773d3d87/FLAGcd1de0479 [2021-11-25 19:48:33,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/data/cdb01b1f0/89eb28e03d794993b84880fa773d3d87 [2021-11-25 19:48:33,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:48:33,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:48:33,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:48:33,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:48:33,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:48:33,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:48:33" (1/1) ... [2021-11-25 19:48:33,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a026d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:33, skipping insertion in model container [2021-11-25 19:48:33,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:48:33" (1/1) ... [2021-11-25 19:48:33,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:48:33,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:48:34,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c[16148,16161] [2021-11-25 19:48:34,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:48:34,314 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:48:34,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/sv-benchmarks/c/float-newlib/double_req_bl_0550a.c[16148,16161] [2021-11-25 19:48:34,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:48:34,510 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:48:34,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34 WrapperNode [2021-11-25 19:48:34,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:48:34,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:48:34,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:48:34,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:48:34,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,635 INFO L137 Inliner]: procedures = 29, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 959 [2021-11-25 19:48:34,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:48:34,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:48:34,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:48:34,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:48:34,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:48:34,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:48:34,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:48:34,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:48:34,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (1/1) ... [2021-11-25 19:48:34,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:48:34,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:48:34,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:48:34,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:48:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:48:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-25 19:48:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-25 19:48:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-25 19:48:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-25 19:48:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:48:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 19:48:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:48:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-25 19:48:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-25 19:48:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-25 19:48:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 19:48:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-11-25 19:48:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-11-25 19:48:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-25 19:48:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-25 19:48:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:48:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:48:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 19:48:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:48:35,186 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:48:35,188 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:49:32,647 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:49:32,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:49:32,659 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-25 19:49:32,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:49:32 BoogieIcfgContainer [2021-11-25 19:49:32,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:49:32,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:49:32,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:49:32,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:49:32,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:48:33" (1/3) ... [2021-11-25 19:49:32,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9368cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:49:32, skipping insertion in model container [2021-11-25 19:49:32,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:34" (2/3) ... [2021-11-25 19:49:32,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9368cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:49:32, skipping insertion in model container [2021-11-25 19:49:32,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:49:32" (3/3) ... [2021-11-25 19:49:32,672 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0550a.c [2021-11-25 19:49:32,678 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:49:32,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:49:32,736 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:49:32,744 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:49:32,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:49:32,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:49:32,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 19:49:32,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:32,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:49:32,784 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:49:32,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:32,790 INFO L85 PathProgramCache]: Analyzing trace with hash 926653483, now seen corresponding path program 1 times [2021-11-25 19:49:32,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:49:32,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965510967] [2021-11-25 19:49:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:32,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:49:32,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:49:32,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:49:32,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 19:49:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:33,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 19:49:33,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:49:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:49:33,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:49:33,575 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:49:33,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965510967] [2021-11-25 19:49:33,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965510967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:33,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:33,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:49:33,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755284053] [2021-11-25 19:49:33,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:33,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:49:33,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:49:33,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:49:33,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:49:33,624 INFO L87 Difference]: Start difference. First operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:49:33,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:33,687 INFO L93 Difference]: Finished difference Result 504 states and 843 transitions. [2021-11-25 19:49:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:49:33,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 19:49:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:33,710 INFO L225 Difference]: With dead ends: 504 [2021-11-25 19:49:33,724 INFO L226 Difference]: Without dead ends: 250 [2021-11-25 19:49:33,731 INFO L932 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 [2021-11-25 19:49:33,735 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:33,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:49:33,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-11-25 19:49:33,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-11-25 19:49:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:49:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2021-11-25 19:49:33,803 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2021-11-25 19:49:33,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:33,803 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2021-11-25 19:49:33,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:49:33,804 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2021-11-25 19:49:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:49:33,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:33,805 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:49:33,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:49:34,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:49:34,022 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:49:34,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:34,023 INFO L85 PathProgramCache]: Analyzing trace with hash -69749587, now seen corresponding path program 1 times [2021-11-25 19:49:34,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:49:34,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618158548] [2021-11-25 19:49:34,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:34,025 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:49:34,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:49:34,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:49:34,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 19:49:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:34,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:49:34,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:49:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:49:36,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:49:36,779 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:49:36,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618158548] [2021-11-25 19:49:36,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618158548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:36,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:36,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:49:36,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486347773] [2021-11-25 19:49:36,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:36,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:49:36,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:49:36,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:49:36,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:49:36,783 INFO L87 Difference]: Start difference. First operand 250 states and 348 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:49:43,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:46,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:48,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:50,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:52,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:54,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:57,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:00,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:03,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:06,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:08,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:10,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:13,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:16,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:19,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:22,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:24,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:27,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:29,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:31,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:34,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:37,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:39,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:41,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:45,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:52,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:54,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:57,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:00,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:02,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:04,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:07,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:08,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:12,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:14,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:14,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:51:14,338 INFO L93 Difference]: Finished difference Result 377 states and 515 transitions. [2021-11-25 19:51:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:51:14,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 19:51:14,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:51:14,346 INFO L225 Difference]: With dead ends: 377 [2021-11-25 19:51:14,347 INFO L226 Difference]: Without dead ends: 372 [2021-11-25 19:51:14,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:51:14,349 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 282 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 7 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:51:14,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 1590 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 144 Invalid, 30 Unknown, 0 Unchecked, 96.5s Time] [2021-11-25 19:51:14,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-25 19:51:14,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 314. [2021-11-25 19:51:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 292 states have (on average 1.3732876712328768) internal successors, (401), 295 states have internal predecessors, (401), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) [2021-11-25 19:51:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 432 transitions. [2021-11-25 19:51:14,384 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 432 transitions. Word has length 11 [2021-11-25 19:51:14,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:51:14,385 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 432 transitions. [2021-11-25 19:51:14,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:51:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 432 transitions. [2021-11-25 19:51:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 19:51:14,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:51:14,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:51:14,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:51:14,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:51:14,597 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:51:14,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:51:14,597 INFO L85 PathProgramCache]: Analyzing trace with hash -645544696, now seen corresponding path program 1 times [2021-11-25 19:51:14,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:51:14,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30594356] [2021-11-25 19:51:14,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:14,599 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:51:14,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:51:14,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:51:14,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 19:51:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:20,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 19:51:20,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:51:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:51:22,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:51:22,821 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:51:22,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30594356] [2021-11-25 19:51:22,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30594356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:51:22,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:51:22,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:51:22,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473277315] [2021-11-25 19:51:22,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:51:22,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:51:22,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:51:22,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:51:22,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:51:22,827 INFO L87 Difference]: Start difference. First operand 314 states and 432 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:51:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:51:22,844 INFO L93 Difference]: Finished difference Result 357 states and 480 transitions. [2021-11-25 19:51:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:51:22,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-25 19:51:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:51:22,848 INFO L225 Difference]: With dead ends: 357 [2021-11-25 19:51:22,848 INFO L226 Difference]: Without dead ends: 312 [2021-11-25 19:51:22,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:51:22,851 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:51:22,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1015 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-11-25 19:51:22,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-25 19:51:22,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2021-11-25 19:51:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 291 states have (on average 1.3711340206185567) internal successors, (399), 294 states have internal predecessors, (399), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (15), 10 states have call predecessors, (15), 13 states have call successors, (15) [2021-11-25 19:51:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2021-11-25 19:51:22,877 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 22 [2021-11-25 19:51:22,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:51:22,877 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2021-11-25 19:51:22,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:51:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2021-11-25 19:51:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 19:51:22,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:51:22,880 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:51:22,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:51:23,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:51:23,097 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:51:23,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:51:23,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1365248396, now seen corresponding path program 1 times [2021-11-25 19:51:23,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:51:23,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777227533] [2021-11-25 19:51:23,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:23,099 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:51:23,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:51:23,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:51:23,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 19:51:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:29,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 19:51:29,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:51:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:51:31,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:51:31,581 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:51:31,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777227533] [2021-11-25 19:51:31,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777227533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:51:31,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:51:31,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:51:31,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775621293] [2021-11-25 19:51:31,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:51:31,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:51:31,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:51:31,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:51:31,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:51:31,584 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:51:31,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:51:31,591 INFO L93 Difference]: Finished difference Result 312 states and 427 transitions. [2021-11-25 19:51:31,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:51:31,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-11-25 19:51:31,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:51:31,591 INFO L225 Difference]: With dead ends: 312 [2021-11-25 19:51:31,591 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 19:51:31,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:51:31,595 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:51:31,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-11-25 19:51:31,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 19:51:31,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 19:51:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:51:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 19:51:31,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-11-25 19:51:31,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:51:31,598 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 19:51:31,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:51:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 19:51:31,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 19:51:31,601 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:51:31,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:51:31,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:51:31,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 19:51:33,644 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-11-25 19:51:33,644 INFO L858 garLoopResultBuilder]: For program point L155-1(lines 155 160) no Hoare annotation was computed. [2021-11-25 19:51:33,644 INFO L861 garLoopResultBuilder]: At program point L155-2(lines 155 160) the Hoare annotation is: true [2021-11-25 19:51:33,644 INFO L858 garLoopResultBuilder]: For program point L155-3(lines 155 160) no Hoare annotation was computed. [2021-11-25 19:51:33,645 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 112 162) no Hoare annotation was computed. [2021-11-25 19:51:33,645 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 114 119) no Hoare annotation was computed. [2021-11-25 19:51:33,645 INFO L861 garLoopResultBuilder]: At program point L114-2(lines 114 119) the Hoare annotation is: true [2021-11-25 19:51:33,645 INFO L858 garLoopResultBuilder]: For program point L114-3(lines 114 119) no Hoare annotation was computed. [2021-11-25 19:51:33,645 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 147) no Hoare annotation was computed. [2021-11-25 19:51:33,645 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 132) no Hoare annotation was computed. [2021-11-25 19:51:33,645 INFO L861 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: true [2021-11-25 19:51:33,645 INFO L858 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2021-11-25 19:51:33,645 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 153) no Hoare annotation was computed. [2021-11-25 19:51:33,646 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 112 162) no Hoare annotation was computed. [2021-11-25 19:51:33,646 INFO L858 garLoopResultBuilder]: For program point L140-1(lines 140 145) no Hoare annotation was computed. [2021-11-25 19:51:33,646 INFO L861 garLoopResultBuilder]: At program point L140-2(lines 140 145) the Hoare annotation is: true [2021-11-25 19:51:33,646 INFO L858 garLoopResultBuilder]: For program point L140-3(lines 140 145) no Hoare annotation was computed. [2021-11-25 19:51:33,646 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 112 162) the Hoare annotation is: true [2021-11-25 19:51:33,646 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 152) no Hoare annotation was computed. [2021-11-25 19:51:33,646 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-11-25 19:51:33,647 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2021-11-25 19:51:33,647 INFO L861 garLoopResultBuilder]: At program point L125-2(lines 125 129) the Hoare annotation is: true [2021-11-25 19:51:33,647 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 129) no Hoare annotation was computed. [2021-11-25 19:51:33,647 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 133) no Hoare annotation was computed. [2021-11-25 19:51:33,648 INFO L858 garLoopResultBuilder]: For program point L121-2(lines 112 162) no Hoare annotation was computed. [2021-11-25 19:51:33,648 INFO L861 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: true [2021-11-25 19:51:33,648 INFO L858 garLoopResultBuilder]: For program point L150-1(line 150) no Hoare annotation was computed. [2021-11-25 19:51:33,648 INFO L861 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: true [2021-11-25 19:51:33,648 INFO L858 garLoopResultBuilder]: For program point L138-1(line 138) no Hoare annotation was computed. [2021-11-25 19:51:33,649 INFO L858 garLoopResultBuilder]: For program point L99-2(lines 99 104) no Hoare annotation was computed. [2021-11-25 19:51:33,649 INFO L858 garLoopResultBuilder]: For program point L89-1(lines 89 93) no Hoare annotation was computed. [2021-11-25 19:51:33,649 INFO L861 garLoopResultBuilder]: At program point L89-2(lines 89 93) the Hoare annotation is: true [2021-11-25 19:51:33,649 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 87 106) no Hoare annotation was computed. [2021-11-25 19:51:33,650 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 87 106) no Hoare annotation was computed. [2021-11-25 19:51:33,650 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 87 106) the Hoare annotation is: true [2021-11-25 19:51:33,650 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-11-25 19:51:33,650 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 87 106) no Hoare annotation was computed. [2021-11-25 19:51:33,650 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 104) no Hoare annotation was computed. [2021-11-25 19:51:33,651 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 87 106) no Hoare annotation was computed. [2021-11-25 19:51:33,651 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 163 177) no Hoare annotation was computed. [2021-11-25 19:51:33,651 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 163 177) the Hoare annotation is: true [2021-11-25 19:51:33,651 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 175) no Hoare annotation was computed. [2021-11-25 19:51:33,651 INFO L858 garLoopResultBuilder]: For program point L170-1(lines 163 177) no Hoare annotation was computed. [2021-11-25 19:51:33,652 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 170 175) no Hoare annotation was computed. [2021-11-25 19:51:33,652 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 163 177) no Hoare annotation was computed. [2021-11-25 19:51:33,652 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2021-11-25 19:51:33,652 INFO L861 garLoopResultBuilder]: At program point L165-2(lines 165 169) the Hoare annotation is: true [2021-11-25 19:51:33,652 INFO L861 garLoopResultBuilder]: At program point L560(line 560) the Hoare annotation is: true [2021-11-25 19:51:33,652 INFO L858 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2021-11-25 19:51:33,652 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 611) no Hoare annotation was computed. [2021-11-25 19:51:33,652 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 563) no Hoare annotation was computed. [2021-11-25 19:51:33,652 INFO L858 garLoopResultBuilder]: For program point __kernel_tanFINAL(lines 542 612) no Hoare annotation was computed. [2021-11-25 19:51:33,653 INFO L861 garLoopResultBuilder]: At program point __kernel_tanENTRY(lines 542 612) the Hoare annotation is: true [2021-11-25 19:51:33,653 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 565 574) no Hoare annotation was computed. [2021-11-25 19:51:33,653 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 545 549) no Hoare annotation was computed. [2021-11-25 19:51:33,653 INFO L861 garLoopResultBuilder]: At program point L545-2(lines 545 549) the Hoare annotation is: true [2021-11-25 19:51:33,653 INFO L858 garLoopResultBuilder]: For program point L545-3(lines 545 549) no Hoare annotation was computed. [2021-11-25 19:51:33,653 INFO L858 garLoopResultBuilder]: For program point L603-1(lines 603 608) no Hoare annotation was computed. [2021-11-25 19:51:33,653 INFO L861 garLoopResultBuilder]: At program point L603-2(lines 603 608) the Hoare annotation is: true [2021-11-25 19:51:33,653 INFO L858 garLoopResultBuilder]: For program point L603-3(lines 603 608) no Hoare annotation was computed. [2021-11-25 19:51:33,653 INFO L858 garLoopResultBuilder]: For program point __kernel_tanEXIT(lines 542 612) no Hoare annotation was computed. [2021-11-25 19:51:33,653 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 569) no Hoare annotation was computed. [2021-11-25 19:51:33,654 INFO L858 garLoopResultBuilder]: For program point L566-2(lines 566 569) no Hoare annotation was computed. [2021-11-25 19:51:33,654 INFO L858 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-11-25 19:51:33,654 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 595 600) no Hoare annotation was computed. [2021-11-25 19:51:33,654 INFO L861 garLoopResultBuilder]: At program point L595-2(lines 595 600) the Hoare annotation is: true [2021-11-25 19:51:33,654 INFO L858 garLoopResultBuilder]: For program point L562-2(line 562) no Hoare annotation was computed. [2021-11-25 19:51:33,655 INFO L858 garLoopResultBuilder]: For program point L595-3(lines 595 600) no Hoare annotation was computed. [2021-11-25 19:51:33,655 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 554 558) no Hoare annotation was computed. [2021-11-25 19:51:33,655 INFO L861 garLoopResultBuilder]: At program point L554-2(lines 554 558) the Hoare annotation is: true [2021-11-25 19:51:33,655 INFO L858 garLoopResultBuilder]: For program point L554-3(lines 552 563) no Hoare annotation was computed. [2021-11-25 19:51:33,655 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-11-25 19:51:33,655 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 564) no Hoare annotation was computed. [2021-11-25 19:51:33,655 INFO L858 garLoopResultBuilder]: For program point L551-2(lines 542 612) no Hoare annotation was computed. [2021-11-25 19:51:33,656 INFO L858 garLoopResultBuilder]: For program point L465-1(lines 465 469) no Hoare annotation was computed. [2021-11-25 19:51:33,656 INFO L854 garLoopResultBuilder]: At program point L465-2(lines 465 469) the Hoare annotation is: false [2021-11-25 19:51:33,656 INFO L858 garLoopResultBuilder]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2021-11-25 19:51:33,656 INFO L858 garLoopResultBuilder]: For program point L333-1(line 333) no Hoare annotation was computed. [2021-11-25 19:51:33,656 INFO L854 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: false [2021-11-25 19:51:33,656 INFO L858 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-11-25 19:51:33,656 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2021-11-25 19:51:33,656 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 504) no Hoare annotation was computed. [2021-11-25 19:51:33,656 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 398 527) no Hoare annotation was computed. [2021-11-25 19:51:33,657 INFO L858 garLoopResultBuilder]: For program point L499-2(lines 499 504) no Hoare annotation was computed. [2021-11-25 19:51:33,657 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 203) no Hoare annotation was computed. [2021-11-25 19:51:33,657 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 203) no Hoare annotation was computed. [2021-11-25 19:51:33,657 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2021-11-25 19:51:33,657 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2021-11-25 19:51:33,658 INFO L858 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2021-11-25 19:51:33,658 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2021-11-25 19:51:33,658 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2021-11-25 19:51:33,658 INFO L854 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2021-11-25 19:51:33,658 INFO L858 garLoopResultBuilder]: For program point L335-4(lines 321 361) no Hoare annotation was computed. [2021-11-25 19:51:33,658 INFO L854 garLoopResultBuilder]: At program point L633(line 633) the Hoare annotation is: false [2021-11-25 19:51:33,659 INFO L858 garLoopResultBuilder]: For program point L633-1(line 633) no Hoare annotation was computed. [2021-11-25 19:51:33,659 INFO L854 garLoopResultBuilder]: At program point L633-2(lines 614 635) the Hoare annotation is: (and (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_tan_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 19:51:33,659 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-11-25 19:51:33,659 INFO L858 garLoopResultBuilder]: For program point L337-1(line 337) no Hoare annotation was computed. [2021-11-25 19:51:33,660 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 239) no Hoare annotation was computed. [2021-11-25 19:51:33,660 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 193 363) no Hoare annotation was computed. [2021-11-25 19:51:33,660 INFO L858 garLoopResultBuilder]: For program point L238-2(lines 193 363) no Hoare annotation was computed. [2021-11-25 19:51:33,660 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 477) no Hoare annotation was computed. [2021-11-25 19:51:33,660 INFO L858 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2021-11-25 19:51:33,660 INFO L854 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2021-11-25 19:51:33,661 INFO L858 garLoopResultBuilder]: For program point L339(line 339) no Hoare annotation was computed. [2021-11-25 19:51:33,661 INFO L858 garLoopResultBuilder]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2021-11-25 19:51:33,661 INFO L858 garLoopResultBuilder]: For program point L273-2(lines 273 274) no Hoare annotation was computed. [2021-11-25 19:51:33,661 INFO L854 garLoopResultBuilder]: At program point L273-3(lines 273 274) the Hoare annotation is: false [2021-11-25 19:51:33,661 INFO L858 garLoopResultBuilder]: For program point L273-4(lines 271 288) no Hoare annotation was computed. [2021-11-25 19:51:33,662 INFO L858 garLoopResultBuilder]: For program point L340-2(lines 340 344) no Hoare annotation was computed. [2021-11-25 19:51:33,662 INFO L858 garLoopResultBuilder]: For program point L241(lines 193 363) no Hoare annotation was computed. [2021-11-25 19:51:33,662 INFO L854 garLoopResultBuilder]: At program point L340-3(lines 340 344) the Hoare annotation is: false [2021-11-25 19:51:33,662 INFO L858 garLoopResultBuilder]: For program point L340-4(lines 340 344) no Hoare annotation was computed. [2021-11-25 19:51:33,662 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 209) no Hoare annotation was computed. [2021-11-25 19:51:33,662 INFO L854 garLoopResultBuilder]: At program point L208-3(lines 208 209) the Hoare annotation is: false [2021-11-25 19:51:33,663 INFO L858 garLoopResultBuilder]: For program point L208-4(lines 208 209) no Hoare annotation was computed. [2021-11-25 19:51:33,663 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 506 511) no Hoare annotation was computed. [2021-11-25 19:51:33,663 INFO L854 garLoopResultBuilder]: At program point L506-2(lines 506 511) the Hoare annotation is: false [2021-11-25 19:51:33,663 INFO L858 garLoopResultBuilder]: For program point L506-3(lines 506 511) no Hoare annotation was computed. [2021-11-25 19:51:33,663 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-25 19:51:33,663 INFO L858 garLoopResultBuilder]: For program point L209-2(line 209) no Hoare annotation was computed. [2021-11-25 19:51:33,664 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 487) no Hoare annotation was computed. [2021-11-25 19:51:33,664 INFO L858 garLoopResultBuilder]: For program point L309(line 309) no Hoare annotation was computed. [2021-11-25 19:51:33,664 INFO L858 garLoopResultBuilder]: For program point L276-1(lines 276 277) no Hoare annotation was computed. [2021-11-25 19:51:33,664 INFO L858 garLoopResultBuilder]: For program point L276-3(lines 276 277) no Hoare annotation was computed. [2021-11-25 19:51:33,664 INFO L854 garLoopResultBuilder]: At program point L276-4(lines 276 277) the Hoare annotation is: false [2021-11-25 19:51:33,664 INFO L858 garLoopResultBuilder]: For program point L276-5(lines 276 277) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 24 85) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: false [2021-11-25 19:51:33,665 INFO L858 garLoopResultBuilder]: For program point L442-1(line 442) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L858 garLoopResultBuilder]: For program point L310-2(lines 310 313) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L854 garLoopResultBuilder]: At program point L310-3(lines 310 313) the Hoare annotation is: false [2021-11-25 19:51:33,665 INFO L858 garLoopResultBuilder]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L858 garLoopResultBuilder]: For program point L310-4(lines 310 313) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 211 215) no Hoare annotation was computed. [2021-11-25 19:51:33,665 INFO L854 garLoopResultBuilder]: At program point L244-3(lines 244 253) the Hoare annotation is: false [2021-11-25 19:51:33,665 INFO L854 garLoopResultBuilder]: At program point L211-3(lines 211 215) the Hoare annotation is: false [2021-11-25 19:51:33,666 INFO L858 garLoopResultBuilder]: For program point L244-4(lines 241 269) no Hoare annotation was computed. [2021-11-25 19:51:33,666 INFO L858 garLoopResultBuilder]: For program point L211-4(lines 211 215) no Hoare annotation was computed. [2021-11-25 19:51:33,666 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-11-25 19:51:33,666 INFO L858 garLoopResultBuilder]: For program point L212-2(lines 212 213) no Hoare annotation was computed. [2021-11-25 19:51:33,666 INFO L854 garLoopResultBuilder]: At program point L212-3(lines 212 213) the Hoare annotation is: false [2021-11-25 19:51:33,666 INFO L858 garLoopResultBuilder]: For program point L212-4(lines 212 213) no Hoare annotation was computed. [2021-11-25 19:51:33,666 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 415) no Hoare annotation was computed. [2021-11-25 19:51:33,666 INFO L858 garLoopResultBuilder]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2021-11-25 19:51:33,667 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 252) no Hoare annotation was computed. [2021-11-25 19:51:33,667 INFO L854 garLoopResultBuilder]: At program point L345-3(lines 345 349) the Hoare annotation is: false [2021-11-25 19:51:33,667 INFO L858 garLoopResultBuilder]: For program point L279-2(lines 279 284) no Hoare annotation was computed. [2021-11-25 19:51:33,667 INFO L858 garLoopResultBuilder]: For program point L345-4(lines 345 349) no Hoare annotation was computed. [2021-11-25 19:51:33,667 INFO L854 garLoopResultBuilder]: At program point L279-3(lines 279 284) the Hoare annotation is: false [2021-11-25 19:51:33,667 INFO L858 garLoopResultBuilder]: For program point L279-4(lines 279 284) no Hoare annotation was computed. [2021-11-25 19:51:33,667 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-11-25 19:51:33,668 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 250) no Hoare annotation was computed. [2021-11-25 19:51:33,668 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-11-25 19:51:33,668 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2021-11-25 19:51:33,668 INFO L858 garLoopResultBuilder]: For program point L512-2(lines 512 515) no Hoare annotation was computed. [2021-11-25 19:51:33,668 INFO L854 garLoopResultBuilder]: At program point L512-3(lines 512 515) the Hoare annotation is: false [2021-11-25 19:51:33,668 INFO L858 garLoopResultBuilder]: For program point L512-4(lines 512 515) no Hoare annotation was computed. [2021-11-25 19:51:33,668 INFO L858 garLoopResultBuilder]: For program point L281-2(lines 281 282) no Hoare annotation was computed. [2021-11-25 19:51:33,668 INFO L854 garLoopResultBuilder]: At program point L281-3(lines 281 282) the Hoare annotation is: false [2021-11-25 19:51:33,669 INFO L858 garLoopResultBuilder]: For program point L281-4(lines 281 282) no Hoare annotation was computed. [2021-11-25 19:51:33,669 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-11-25 19:51:33,669 INFO L858 garLoopResultBuilder]: For program point L447-2(lines 447 479) no Hoare annotation was computed. [2021-11-25 19:51:33,669 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2021-11-25 19:51:33,669 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 315 319) the Hoare annotation is: false [2021-11-25 19:51:33,669 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 315 319) no Hoare annotation was computed. [2021-11-25 19:51:33,669 INFO L854 garLoopResultBuilder]: At program point L84(lines 24 85) the Hoare annotation is: false [2021-11-25 19:51:33,670 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 486) no Hoare annotation was computed. [2021-11-25 19:51:33,670 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 317) no Hoare annotation was computed. [2021-11-25 19:51:33,670 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2021-11-25 19:51:33,670 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 316 317) no Hoare annotation was computed. [2021-11-25 19:51:33,670 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 440) no Hoare annotation was computed. [2021-11-25 19:51:33,670 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 19:51:33,671 INFO L858 garLoopResultBuilder]: For program point L350-2(lines 350 351) no Hoare annotation was computed. [2021-11-25 19:51:33,671 INFO L854 garLoopResultBuilder]: At program point L350-3(lines 350 351) the Hoare annotation is: false [2021-11-25 19:51:33,671 INFO L858 garLoopResultBuilder]: For program point L350-4(lines 321 361) no Hoare annotation was computed. [2021-11-25 19:51:33,671 INFO L854 garLoopResultBuilder]: At program point L20(line 20) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_tan_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 19:51:33,671 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 651) no Hoare annotation was computed. [2021-11-25 19:51:33,671 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 439) no Hoare annotation was computed. [2021-11-25 19:51:33,672 INFO L858 garLoopResultBuilder]: For program point L649(line 649) no Hoare annotation was computed. [2021-11-25 19:51:33,672 INFO L854 garLoopResultBuilder]: At program point L286(lines 193 363) the Hoare annotation is: false [2021-11-25 19:51:33,672 INFO L858 garLoopResultBuilder]: For program point L220-2(lines 220 224) no Hoare annotation was computed. [2021-11-25 19:51:33,672 INFO L854 garLoopResultBuilder]: At program point L220-3(lines 220 224) the Hoare annotation is: false [2021-11-25 19:51:33,672 INFO L854 garLoopResultBuilder]: At program point L220-4(lines 220 224) the Hoare annotation is: false [2021-11-25 19:51:33,672 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2021-11-25 19:51:33,672 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 518 519) no Hoare annotation was computed. [2021-11-25 19:51:33,672 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-11-25 19:51:33,673 INFO L854 garLoopResultBuilder]: At program point L518-3(lines 518 519) the Hoare annotation is: false [2021-11-25 19:51:33,673 INFO L858 garLoopResultBuilder]: For program point L518-4(lines 518 519) no Hoare annotation was computed. [2021-11-25 19:51:33,673 INFO L858 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2021-11-25 19:51:33,673 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 241 269) no Hoare annotation was computed. [2021-11-25 19:51:33,673 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2021-11-25 19:51:33,673 INFO L858 garLoopResultBuilder]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2021-11-25 19:51:33,673 INFO L854 garLoopResultBuilder]: At program point L618-2(lines 618 622) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 19:51:33,674 INFO L858 garLoopResultBuilder]: For program point L618-3(lines 618 622) no Hoare annotation was computed. [2021-11-25 19:51:33,674 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 453 457) no Hoare annotation was computed. [2021-11-25 19:51:33,674 INFO L854 garLoopResultBuilder]: At program point L453-2(lines 453 457) the Hoare annotation is: false [2021-11-25 19:51:33,674 INFO L858 garLoopResultBuilder]: For program point L453-3(lines 453 457) no Hoare annotation was computed. [2021-11-25 19:51:33,674 INFO L854 garLoopResultBuilder]: At program point L321(lines 321 361) the Hoare annotation is: false [2021-11-25 19:51:33,674 INFO L854 garLoopResultBuilder]: At program point L255(lines 255 262) the Hoare annotation is: false [2021-11-25 19:51:33,674 INFO L858 garLoopResultBuilder]: For program point L322(line 322) no Hoare annotation was computed. [2021-11-25 19:51:33,674 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 19:51:33,674 INFO L858 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2021-11-25 19:51:33,674 INFO L861 garLoopResultBuilder]: At program point L653(lines 637 654) the Hoare annotation is: true [2021-11-25 19:51:33,675 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-11-25 19:51:33,675 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 492) no Hoare annotation was computed. [2021-11-25 19:51:33,675 INFO L858 garLoopResultBuilder]: For program point L324-2(lines 324 325) no Hoare annotation was computed. [2021-11-25 19:51:33,675 INFO L854 garLoopResultBuilder]: At program point L324-3(lines 324 325) the Hoare annotation is: false [2021-11-25 19:51:33,675 INFO L858 garLoopResultBuilder]: For program point L324-4(lines 321 361) no Hoare annotation was computed. [2021-11-25 19:51:33,675 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-11-25 19:51:33,675 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2021-11-25 19:51:33,675 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2021-11-25 19:51:33,675 INFO L858 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2021-11-25 19:51:33,675 INFO L858 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2021-11-25 19:51:33,676 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 19:51:33,676 INFO L858 garLoopResultBuilder]: For program point L326-1(line 326) no Hoare annotation was computed. [2021-11-25 19:51:33,676 INFO L858 garLoopResultBuilder]: For program point L293-1(lines 293 296) no Hoare annotation was computed. [2021-11-25 19:51:33,676 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 296) the Hoare annotation is: false [2021-11-25 19:51:33,676 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2021-11-25 19:51:33,676 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 478) no Hoare annotation was computed. [2021-11-25 19:51:33,677 INFO L858 garLoopResultBuilder]: For program point L459-1(lines 447 479) no Hoare annotation was computed. [2021-11-25 19:51:33,677 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 634) no Hoare annotation was computed. [2021-11-25 19:51:33,677 INFO L854 garLoopResultBuilder]: At program point L526(lines 398 527) the Hoare annotation is: false [2021-11-25 19:51:33,677 INFO L858 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2021-11-25 19:51:33,677 INFO L858 garLoopResultBuilder]: For program point L328-2(line 328) no Hoare annotation was computed. [2021-11-25 19:51:33,677 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2021-11-25 19:51:33,678 INFO L854 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: false [2021-11-25 19:51:33,678 INFO L858 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2021-11-25 19:51:33,678 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 494 498) no Hoare annotation was computed. [2021-11-25 19:51:33,678 INFO L854 garLoopResultBuilder]: At program point L494-2(lines 494 498) the Hoare annotation is: false [2021-11-25 19:51:33,678 INFO L854 garLoopResultBuilder]: At program point L362(lines 192 363) the Hoare annotation is: false [2021-11-25 19:51:33,678 INFO L858 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2021-11-25 19:51:33,678 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2021-11-25 19:51:33,679 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2021-11-25 19:51:33,679 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 19:51:33,679 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 649) no Hoare annotation was computed. [2021-11-25 19:51:33,679 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 239) no Hoare annotation was computed. [2021-11-25 19:51:33,679 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-11-25 19:51:33,679 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 634) no Hoare annotation was computed. [2021-11-25 19:51:33,679 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 437) no Hoare annotation was computed. [2021-11-25 19:51:33,679 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 437) no Hoare annotation was computed. [2021-11-25 19:51:33,680 INFO L854 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: false [2021-11-25 19:51:33,680 INFO L858 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2021-11-25 19:51:33,680 INFO L858 garLoopResultBuilder]: For program point L331-2(lines 331 332) no Hoare annotation was computed. [2021-11-25 19:51:33,680 INFO L854 garLoopResultBuilder]: At program point L331-3(lines 331 332) the Hoare annotation is: false [2021-11-25 19:51:33,680 INFO L858 garLoopResultBuilder]: For program point L331-4(lines 321 361) no Hoare annotation was computed. [2021-11-25 19:51:33,680 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2021-11-25 19:51:33,680 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 306) no Hoare annotation was computed. [2021-11-25 19:51:33,681 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 267) no Hoare annotation was computed. [2021-11-25 19:51:33,681 INFO L854 garLoopResultBuilder]: At program point L299-2(lines 290 307) the Hoare annotation is: false [2021-11-25 19:51:33,681 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2021-11-25 19:51:33,684 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-25 19:51:33,685 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:51:33,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,698 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,698 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,698 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,698 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,701 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,701 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,702 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,702 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,702 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,702 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,703 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,703 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,704 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,704 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,704 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,704 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,706 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,706 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:51:33,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:51:33,708 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:51:33,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:51:33,709 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:51:33 BoogieIcfgContainer [2021-11-25 19:51:33,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:51:33,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:51:33,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:51:33,710 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:51:33,711 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:49:32" (3/4) ... [2021-11-25 19:51:33,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:51:33,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-11-25 19:51:33,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-11-25 19:51:33,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-25 19:51:33,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tan [2021-11-25 19:51:33,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-11-25 19:51:33,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-25 19:51:33,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 19:51:33,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:51:33,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-25 19:51:33,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-25 19:51:33,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-25 19:51:33,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:51:33,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:51:33,889 INFO L158 Benchmark]: Toolchain (without parser) took 180077.93ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 22.3MB in the end (delta: 8.9MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-25 19:51:33,889 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:51:33,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.22ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.1MB in the beginning and 34.8MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 19:51:33,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.84ms. Allocated memory is still 71.3MB. Free memory was 34.5MB in the beginning and 49.1MB in the end (delta: -14.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-25 19:51:33,890 INFO L158 Benchmark]: Boogie Preprocessor took 193.42ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 42.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:51:33,891 INFO L158 Benchmark]: RCFGBuilder took 57831.99ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 30.1MB in the end (delta: 11.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-25 19:51:33,891 INFO L158 Benchmark]: TraceAbstraction took 121044.98ms. Allocated memory is still 71.3MB. Free memory was 29.7MB in the beginning and 28.5MB in the end (delta: 1.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-25 19:51:33,891 INFO L158 Benchmark]: Witness Printer took 178.17ms. Allocated memory is still 71.3MB. Free memory was 28.1MB in the beginning and 22.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-11-25 19:51:33,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.22ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.1MB in the beginning and 34.8MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.84ms. Allocated memory is still 71.3MB. Free memory was 34.5MB in the beginning and 49.1MB in the end (delta: -14.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 193.42ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 42.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 57831.99ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 30.1MB in the end (delta: 11.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 121044.98ms. Allocated memory is still 71.3MB. Free memory was 29.7MB in the beginning and 28.5MB in the end (delta: 1.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 178.17ms. Allocated memory is still 71.3MB. Free memory was 28.1MB in the beginning and 22.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 649]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 253 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 121.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 97.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 30 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 96.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 282 mSDsluCounter, 2962 SdHoareTripleChecker+Invalid, 92.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 1950 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 1012 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 58 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 170 PreInvPairs, 174 NumberOfFragments, 131 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 12.6s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 67 ConstructedInterpolants, 9 QuantifiedInterpolants, 292 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1155 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2021-11-25 19:51:33,907 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,907 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,907 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,908 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,908 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,908 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,909 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,909 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,909 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,909 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,909 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,910 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((1bv32 == \result && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant [2021-11-25 19:51:33,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,920 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,920 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant [2021-11-25 19:51:33,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:51:33,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:51:33,923 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:51:33,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:51:33,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:51:33,924 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-11-25 19:51:34,140 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-25 19:51:34,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93220de-1cee-4caf-b31e-7c453c640f39/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE