./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0520.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_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:20:26,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:20:26,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:20:27,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:20:27,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:20:27,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:20:27,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:20:27,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:20:27,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:20:27,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:20:27,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:20:27,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:20:27,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:20:27,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:20:27,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:20:27,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:20:27,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:20:27,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:20:27,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:20:27,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:20:27,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:20:27,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:20:27,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:20:27,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:20:27,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:20:27,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:20:27,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:20:27,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:20:27,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:20:27,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:20:27,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:20:27,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:20:27,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:20:27,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:20:27,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:20:27,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:20:27,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:20:27,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:20:27,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:20:27,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:20:27,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:20:27,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:20:27,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:20:27,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:20:27,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:20:27,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:20:27,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:20:27,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:20:27,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:20:27,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:20:27,081 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:20:27,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:20:27,082 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:20:27,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:20:27,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:20:27,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:20:27,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:20:27,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:20:27,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:20:27,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:20:27,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:20:27,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:20:27,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:20:27,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:20:27,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:20:27,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:20:27,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:20:27,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:20:27,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:20:27,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:20:27,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:20:27,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:20:27,085 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:20:27,086 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:20:27,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:20:27,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:20:27,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 [2021-12-06 17:20:27,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:20:27,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:20:27,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:20:27,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:20:27,347 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:20:27,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-12-06 17:20:27,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data/d53d593fc/b98f79c61a834ac48baaa9db3b8f7a6b/FLAG92481500e [2021-12-06 17:20:27,831 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:20:27,831 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-12-06 17:20:27,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data/d53d593fc/b98f79c61a834ac48baaa9db3b8f7a6b/FLAG92481500e [2021-12-06 17:20:27,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data/d53d593fc/b98f79c61a834ac48baaa9db3b8f7a6b [2021-12-06 17:20:27,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:20:27,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:20:27,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:20:27,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:20:27,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:20:27,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:27" (1/1) ... [2021-12-06 17:20:27,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ad8cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:27, skipping insertion in model container [2021-12-06 17:20:27,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:27" (1/1) ... [2021-12-06 17:20:27,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:20:27,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:20:28,178 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_d190f040-c82f-44f2-a710-a95af5655332/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-12-06 17:20:28,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:20:28,201 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:20:28,290 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_d190f040-c82f-44f2-a710-a95af5655332/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-12-06 17:20:28,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:20:28,314 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:20:28,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28 WrapperNode [2021-12-06 17:20:28,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:20:28,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:20:28,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:20:28,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:20:28,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,402 INFO L137 Inliner]: procedures = 24, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 961 [2021-12-06 17:20:28,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:20:28,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:20:28,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:20:28,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:20:28,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:20:28,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:20:28,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:20:28,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:20:28,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (1/1) ... [2021-12-06 17:20:28,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:20:28,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:28,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:20:28,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:20:28,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:20:28,580 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-06 17:20:28,580 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-06 17:20:28,580 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-06 17:20:28,580 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-06 17:20:28,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:20:28,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:20:28,581 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-06 17:20:28,581 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-06 17:20:28,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-06 17:20:28,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:20:28,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-06 17:20:28,582 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-12-06 17:20:28,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-12-06 17:20:28,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:20:28,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:20:28,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:20:28,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-06 17:20:28,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:20:28,720 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:20:28,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:20:29,424 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:20:29,432 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:20:29,432 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-12-06 17:20:29,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:29 BoogieIcfgContainer [2021-12-06 17:20:29,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:20:29,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:20:29,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:20:29,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:20:29,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:20:27" (1/3) ... [2021-12-06 17:20:29,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a11def4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:29, skipping insertion in model container [2021-12-06 17:20:29,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:28" (2/3) ... [2021-12-06 17:20:29,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a11def4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:29, skipping insertion in model container [2021-12-06 17:20:29,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:29" (3/3) ... [2021-12-06 17:20:29,441 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0520.c [2021-12-06 17:20:29,446 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:20:29,446 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:20:29,497 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:20:29,504 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:20:29,504 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:20:29,528 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) [2021-12-06 17:20:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 17:20:29,533 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:29,533 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:29,534 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:29,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:29,539 INFO L85 PathProgramCache]: Analyzing trace with hash 926653483, now seen corresponding path program 1 times [2021-12-06 17:20:29,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:29,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028809763] [2021-12-06 17:20:29,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:29,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:20:29,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:29,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028809763] [2021-12-06 17:20:29,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028809763] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:29,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:29,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:20:29,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951617519] [2021-12-06 17:20:29,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:29,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:20:29,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:29,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:20:29,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:20:29,798 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) [2021-12-06 17:20:29,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:29,855 INFO L93 Difference]: Finished difference Result 504 states and 843 transitions. [2021-12-06 17:20:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:20:29,857 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 [2021-12-06 17:20:29,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:29,868 INFO L225 Difference]: With dead ends: 504 [2021-12-06 17:20:29,869 INFO L226 Difference]: Without dead ends: 250 [2021-12-06 17:20:29,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:20:29,878 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 [2021-12-06 17:20:29,879 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] [2021-12-06 17:20:29,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-06 17:20:29,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-12-06 17:20:29,931 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) [2021-12-06 17:20:29,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2021-12-06 17:20:29,935 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2021-12-06 17:20:29,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:29,935 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2021-12-06 17:20:29,935 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) [2021-12-06 17:20:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2021-12-06 17:20:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 17:20:29,936 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:29,936 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:29,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:20:29,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:29,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:29,937 INFO L85 PathProgramCache]: Analyzing trace with hash -69749587, now seen corresponding path program 1 times [2021-12-06 17:20:29,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:29,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012802578] [2021-12-06 17:20:29,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:29,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:20:30,029 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:20:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:20:30,129 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:20:30,129 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 17:20:30,131 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:20:30,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:20:30,136 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-06 17:20:30,138 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:20:30,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:20:30 BoogieIcfgContainer [2021-12-06 17:20:30,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:20:30,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:20:30,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:20:30,200 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:20:30,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:29" (3/4) ... [2021-12-06 17:20:30,204 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:20:30,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:20:30,204 INFO L158 Benchmark]: Toolchain (without parser) took 2352.76ms. Allocated memory is still 159.4MB. Free memory was 122.2MB in the beginning and 127.4MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:20:30,205 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:20:30,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.40ms. Allocated memory is still 159.4MB. Free memory was 122.0MB in the beginning and 117.9MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:20:30,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.21ms. Allocated memory is still 159.4MB. Free memory was 117.9MB in the beginning and 111.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:20:30,207 INFO L158 Benchmark]: Boogie Preprocessor took 98.77ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 105.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:20:30,207 INFO L158 Benchmark]: RCFGBuilder took 931.54ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 114.9MB in the end (delta: -9.6MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2021-12-06 17:20:30,208 INFO L158 Benchmark]: TraceAbstraction took 763.50ms. Allocated memory is still 159.4MB. Free memory was 114.9MB in the beginning and 128.4MB in the end (delta: -13.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-12-06 17:20:30,208 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 159.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:20:30,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.40ms. Allocated memory is still 159.4MB. Free memory was 122.0MB in the beginning and 117.9MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.21ms. Allocated memory is still 159.4MB. Free memory was 117.9MB in the beginning and 111.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.77ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 105.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 931.54ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 114.9MB in the end (delta: -9.6MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * TraceAbstraction took 763.50ms. Allocated memory is still 159.4MB. Free memory was 114.9MB in the beginning and 128.4MB in the end (delta: -13.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 159.4MB. Free memory is still 127.4MB. 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: 648]: 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 537, overapproximation of someBinaryArithmeticDOUBLEoperation at line 628, overapproximation of bitwiseAnd at line 623, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double huge_floor = 1.0e300; [L107-L109] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L178] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L180-L185] 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, }; [L187-L189] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L364-L375] 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, }; [L377-L384] 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, }; [L386-L395] 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; [L528-L539] 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, }; 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, 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, zero_krempio=0, zero_rempio=0] [L643] double x = 0.0 / 0.0; [L644] CALL, EXPR tan_double(x) [L614] double y[2], z = 0.0; [L615] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, 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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L618] ieee_double_shape_type gh_u; [L619] gh_u.value = (x) [L620] EXPR gh_u.parts.msw [L620] (ix) = gh_u.parts.msw [L623] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, 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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L624] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, 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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L627] COND TRUE ix >= 0x7ff00000 [L628] return x - x; [L628] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, 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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L644] RET, EXPR tan_double(x) [L644] double res = tan_double(x); [L647] CALL, EXPR isnan_double(res) [L19] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \result=0, 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, zero_krempio=0, zero_rempio=0] [L647] RET, EXPR isnan_double(res) [L647] COND TRUE !isnan_double(res) [L648] 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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, 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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 253 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 351 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 351 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 17:20:30,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:20:32,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:20:32,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:20:32,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:20:32,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:20:32,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:20:32,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:20:32,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:20:32,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:20:32,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:20:32,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:20:32,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:20:32,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:20:32,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:20:32,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:20:32,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:20:32,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:20:32,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:20:32,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:20:32,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:20:32,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:20:32,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:20:32,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:20:32,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:20:32,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:20:32,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:20:32,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:20:32,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:20:32,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:20:32,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:20:32,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:20:32,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:20:32,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:20:32,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:20:32,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:20:32,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:20:32,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:20:32,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:20:32,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:20:32,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:20:32,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:20:32,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 17:20:32,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:20:32,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:20:32,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:20:32,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:20:32,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:20:32,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:20:32,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:20:32,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:20:32,146 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:20:32,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:20:32,147 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:20:32,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:20:32,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:20:32,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:20:32,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:20:32,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:20:32,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 17:20:32,148 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 17:20:32,148 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 17:20:32,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:20:32,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:20:32,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:20:32,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:20:32,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:20:32,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:20:32,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:20:32,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:20:32,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:20:32,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:20:32,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:20:32,151 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 17:20:32,151 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 17:20:32,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:20:32,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:20:32,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:20:32,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:20:32,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 17:20:32,152 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_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 [2021-12-06 17:20:32,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:20:32,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:20:32,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:20:32,437 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:20:32,438 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:20:32,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-12-06 17:20:32,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data/8f895075f/74d73e5f0bf64dc8ad28ed3f6cc9f9be/FLAG8f52b73fe [2021-12-06 17:20:32,877 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:20:32,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-12-06 17:20:32,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data/8f895075f/74d73e5f0bf64dc8ad28ed3f6cc9f9be/FLAG8f52b73fe [2021-12-06 17:20:32,904 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/data/8f895075f/74d73e5f0bf64dc8ad28ed3f6cc9f9be [2021-12-06 17:20:32,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:20:32,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:20:32,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:20:32,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:20:32,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:20:32,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:32" (1/1) ... [2021-12-06 17:20:32,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a0d6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:32, skipping insertion in model container [2021-12-06 17:20:32,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:32" (1/1) ... [2021-12-06 17:20:32,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:20:32,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:20:33,289 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_d190f040-c82f-44f2-a710-a95af5655332/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-12-06 17:20:33,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:20:33,316 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:20:33,428 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_d190f040-c82f-44f2-a710-a95af5655332/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-12-06 17:20:33,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:20:33,458 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:20:33,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33 WrapperNode [2021-12-06 17:20:33,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:20:33,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:20:33,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:20:33,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:20:33,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,551 INFO L137 Inliner]: procedures = 28, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 959 [2021-12-06 17:20:33,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:20:33,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:20:33,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:20:33,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:20:33,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:20:33,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:20:33,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:20:33,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:20:33,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (1/1) ... [2021-12-06 17:20:33,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:20:33,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:33,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:20:33,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:20:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:20:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-06 17:20:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-06 17:20:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-06 17:20:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-06 17:20:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 17:20:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 17:20:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:20:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-06 17:20:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-06 17:20:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-06 17:20:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 17:20:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-12-06 17:20:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-12-06 17:20:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-06 17:20:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-06 17:20:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:20:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:20:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 17:20:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:20:33,880 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:20:33,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:21:31,569 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:21:31,576 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:21:31,576 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-12-06 17:21:31,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:31 BoogieIcfgContainer [2021-12-06 17:21:31,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:21:31,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:21:31,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:21:31,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:21:31,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:20:32" (1/3) ... [2021-12-06 17:21:31,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3ae23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:21:31, skipping insertion in model container [2021-12-06 17:21:31,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:33" (2/3) ... [2021-12-06 17:21:31,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3ae23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:21:31, skipping insertion in model container [2021-12-06 17:21:31,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:31" (3/3) ... [2021-12-06 17:21:31,583 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0520.c [2021-12-06 17:21:31,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:21:31,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:21:31,621 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:21:31,626 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:21:31,626 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:21:31,643 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) [2021-12-06 17:21:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 17:21:31,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:31,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:31,648 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:21:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash 926653483, now seen corresponding path program 1 times [2021-12-06 17:21:31,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:21:31,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962560488] [2021-12-06 17:21:31,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:31,666 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:21:31,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:21:31,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:21:31,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 17:21:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:32,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 17:21:32,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:32,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:21:32,289 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:21:32,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962560488] [2021-12-06 17:21:32,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962560488] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:32,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:32,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:21:32,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786013820] [2021-12-06 17:21:32,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:32,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:21:32,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:21:32,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:21:32,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:21:32,327 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) [2021-12-06 17:21:32,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:32,381 INFO L93 Difference]: Finished difference Result 504 states and 843 transitions. [2021-12-06 17:21:32,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:21:32,383 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 [2021-12-06 17:21:32,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:21:32,393 INFO L225 Difference]: With dead ends: 504 [2021-12-06 17:21:32,393 INFO L226 Difference]: Without dead ends: 250 [2021-12-06 17:21:32,398 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 [2021-12-06 17:21:32,400 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 [2021-12-06 17:21:32,401 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] [2021-12-06 17:21:32,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-06 17:21:32,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-12-06 17:21:32,439 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) [2021-12-06 17:21:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2021-12-06 17:21:32,443 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2021-12-06 17:21:32,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:21:32,443 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2021-12-06 17:21:32,444 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) [2021-12-06 17:21:32,444 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2021-12-06 17:21:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 17:21:32,444 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:21:32,445 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:21:32,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:21:32,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:21:32,645 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:21:32,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:32,646 INFO L85 PathProgramCache]: Analyzing trace with hash -69749587, now seen corresponding path program 1 times [2021-12-06 17:21:32,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:21:32,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675202338] [2021-12-06 17:21:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:32,647 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:21:32,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:21:32,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:21:32,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 17:21:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:33,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 17:21:33,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:34,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:21:34,497 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:21:34,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675202338] [2021-12-06 17:21:34,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675202338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:34,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:34,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:21:34,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498435122] [2021-12-06 17:21:34,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:34,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:21:34,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:21:34,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:21:34,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:21:34,500 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) [2021-12-06 17:21:40,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:21:43,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:21:45,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:21:47,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:21:49,416 WARN L534 Checker$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 [] [2021-12-06 17:21:51,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:21:54,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:21:57,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:21:59,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:03,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:04,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:06,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:09,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:12,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:15,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:17,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:20,155 WARN L534 Checker$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 [] [2021-12-06 17:22:22,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:26,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:28,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:31,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:34,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:40,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:42,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:45,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:48,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:50,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:52,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:55,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:56,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:22:59,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:00,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:02,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:02,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:23:02,396 INFO L93 Difference]: Finished difference Result 375 states and 513 transitions. [2021-12-06 17:23:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:23:02,397 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 [2021-12-06 17:23:02,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:23:02,401 INFO L225 Difference]: With dead ends: 375 [2021-12-06 17:23:02,401 INFO L226 Difference]: Without dead ends: 370 [2021-12-06 17:23:02,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:23:02,403 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 277 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 7 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:23:02,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 1582 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 153 Invalid, 28 Unknown, 0 Unchecked, 87.1s Time] [2021-12-06 17:23:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-12-06 17:23:02,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 329. [2021-12-06 17:23:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 303 states have (on average 1.3663366336633664) internal successors, (414), 307 states have internal predecessors, (414), 17 states have call successors, (17), 8 states have call predecessors, (17), 8 states have return successors, (20), 13 states have call predecessors, (20), 17 states have call successors, (20) [2021-12-06 17:23:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 451 transitions. [2021-12-06 17:23:02,425 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 451 transitions. Word has length 11 [2021-12-06 17:23:02,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:23:02,425 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 451 transitions. [2021-12-06 17:23:02,425 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) [2021-12-06 17:23:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 451 transitions. [2021-12-06 17:23:02,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-06 17:23:02,426 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:23:02,426 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] [2021-12-06 17:23:02,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 17:23:02,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:23:02,627 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:23:02,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:23:02,628 INFO L85 PathProgramCache]: Analyzing trace with hash -645544696, now seen corresponding path program 1 times [2021-12-06 17:23:02,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:23:02,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605703605] [2021-12-06 17:23:02,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:23:02,629 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:23:02,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:23:02,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:23:02,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 17:23:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:23:08,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:23:08,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:23:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:23:11,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:23:11,952 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:23:11,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605703605] [2021-12-06 17:23:11,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605703605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:23:11,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:23:11,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:23:11,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112637433] [2021-12-06 17:23:11,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:23:11,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:23:11,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:23:11,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:23:11,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 17:23:11,954 INFO L87 Difference]: Start difference. First operand 329 states and 451 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2021-12-06 17:23:11,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:23:11,964 INFO L93 Difference]: Finished difference Result 372 states and 499 transitions. [2021-12-06 17:23:11,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:23:11,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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 [2021-12-06 17:23:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:23:11,967 INFO L225 Difference]: With dead ends: 372 [2021-12-06 17:23:11,967 INFO L226 Difference]: Without dead ends: 327 [2021-12-06 17:23:11,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 17:23:11,968 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:23:11,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1353 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-12-06 17:23:11,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-12-06 17:23:11,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2021-12-06 17:23:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 302 states have (on average 1.3642384105960266) internal successors, (412), 306 states have internal predecessors, (412), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (18), 12 states have call predecessors, (18), 16 states have call successors, (18) [2021-12-06 17:23:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 446 transitions. [2021-12-06 17:23:11,984 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 446 transitions. Word has length 22 [2021-12-06 17:23:11,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:23:11,984 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 446 transitions. [2021-12-06 17:23:11,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2021-12-06 17:23:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 446 transitions. [2021-12-06 17:23:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:23:11,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:23:11,986 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] [2021-12-06 17:23:12,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 17:23:12,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:23:12,187 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:23:12,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:23:12,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1365248396, now seen corresponding path program 1 times [2021-12-06 17:23:12,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:23:12,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104226837] [2021-12-06 17:23:12,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:23:12,195 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:23:12,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:23:12,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:23:12,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 17:23:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:23:18,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 17:23:18,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:23:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:23:20,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:23:20,116 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:23:20,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104226837] [2021-12-06 17:23:20,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104226837] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:23:20,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:23:20,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:23:20,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611194032] [2021-12-06 17:23:20,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:23:20,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:23:20,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:23:20,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:23:20,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:23:20,118 INFO L87 Difference]: Start difference. First operand 327 states and 446 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2021-12-06 17:23:20,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:23:20,128 INFO L93 Difference]: Finished difference Result 373 states and 499 transitions. [2021-12-06 17:23:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:23:20,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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 [2021-12-06 17:23:20,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:23:20,131 INFO L225 Difference]: With dead ends: 373 [2021-12-06 17:23:20,131 INFO L226 Difference]: Without dead ends: 327 [2021-12-06 17:23:20,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:23:20,132 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:23:20,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1656 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 29 Unchecked, 0.0s Time] [2021-12-06 17:23:20,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-12-06 17:23:20,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2021-12-06 17:23:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 302 states have (on average 1.3609271523178808) internal successors, (411), 306 states have internal predecessors, (411), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (18), 12 states have call predecessors, (18), 16 states have call successors, (18) [2021-12-06 17:23:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 445 transitions. [2021-12-06 17:23:20,152 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 445 transitions. Word has length 28 [2021-12-06 17:23:20,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:23:20,152 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 445 transitions. [2021-12-06 17:23:20,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2021-12-06 17:23:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 445 transitions. [2021-12-06 17:23:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 17:23:20,155 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:23:20,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:23:20,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 17:23:20,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:23:20,355 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:23:20,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:23:20,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1320077549, now seen corresponding path program 1 times [2021-12-06 17:23:20,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:23:20,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446067513] [2021-12-06 17:23:20,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:23:20,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:23:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:23:20,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:23:20,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 17:23:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:23:26,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-06 17:23:26,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:23:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:23:29,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-06 17:23:30,019 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:23:30,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-06 17:23:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:23:33,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:23:33,602 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:23:33,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446067513] [2021-12-06 17:23:33,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446067513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:23:33,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:23:33,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:23:33,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867482893] [2021-12-06 17:23:33,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:23:33,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:23:33,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:23:33,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:23:33,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:23:33,604 INFO L87 Difference]: Start difference. First operand 327 states and 445 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:23:37,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:39,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:41,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:43,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:47,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:49,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:51,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:56,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:23:58,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:00,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:02,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:05,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:08,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:10,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:12,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:15,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:17,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:19,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:21,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:22,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:25,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:27,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:29,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:31,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:34,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:36,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:38,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:40,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:42,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:44,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:47,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:49,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:51,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:53,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:56,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:24:58,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:00,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:03,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:06,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:08,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:10,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:13,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:16,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:22,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:25,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:27,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:29,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:31,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:34,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:36,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:38,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:40,506 WARN L534 Checker$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 [] [2021-12-06 17:25:42,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:44,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:46,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:48,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:50,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:53,650 WARN L534 Checker$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 [] [2021-12-06 17:25:55,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:57,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:25:59,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:02,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:04,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:06,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:06,947 INFO L93 Difference]: Finished difference Result 413 states and 555 transitions. [2021-12-06 17:26:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:26:06,996 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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 31 [2021-12-06 17:26:06,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:07,000 INFO L225 Difference]: With dead ends: 413 [2021-12-06 17:26:07,000 INFO L226 Difference]: Without dead ends: 407 [2021-12-06 17:26:07,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:26:07,001 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 231 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 8 mSolverCounterUnsat, 57 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 148.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 57 IncrementalHoareTripleChecker+Unknown, 268 IncrementalHoareTripleChecker+Unchecked, 151.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:07,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 2872 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 169 Invalid, 57 Unknown, 268 Unchecked, 151.6s Time] [2021-12-06 17:26:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2021-12-06 17:26:07,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 357. [2021-12-06 17:26:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 328 states have (on average 1.3567073170731707) internal successors, (445), 334 states have internal predecessors, (445), 18 states have call successors, (18), 9 states have call predecessors, (18), 10 states have return successors, (21), 13 states have call predecessors, (21), 18 states have call successors, (21) [2021-12-06 17:26:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 484 transitions. [2021-12-06 17:26:07,024 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 484 transitions. Word has length 31 [2021-12-06 17:26:07,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:07,024 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 484 transitions. [2021-12-06 17:26:07,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:26:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 484 transitions. [2021-12-06 17:26:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 17:26:07,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:07,027 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:07,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 17:26:07,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:26:07,227 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:26:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:07,228 INFO L85 PathProgramCache]: Analyzing trace with hash 413768606, now seen corresponding path program 1 times [2021-12-06 17:26:07,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:26:07,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163052654] [2021-12-06 17:26:07,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:07,229 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:26:07,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:26:07,230 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:26:07,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 17:26:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-06 17:26:13,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:26:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:16,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-06 17:26:17,289 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:26:17,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-06 17:26:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:26:21,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:26:21,278 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:26:21,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163052654] [2021-12-06 17:26:21,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163052654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:21,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:21,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:26:21,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692051399] [2021-12-06 17:26:21,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:21,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:26:21,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:26:21,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:26:21,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:26:21,280 INFO L87 Difference]: Start difference. First operand 357 states and 484 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:26:25,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:27,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:29,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:31,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:33,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:37,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:39,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:41,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:44,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:46,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:48,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:51,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:52,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:55,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:57,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:26:59,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:04,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:06,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:08,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:10,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:12,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:15,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:17,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:19,657 WARN L534 Checker$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 [] [2021-12-06 17:27:22,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:24,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:26,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:28,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:32,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:35,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:39,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:45,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:48,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:50,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:52,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:54,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:57,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:27:59,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:28:01,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:28:03,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:28:05,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:28:07,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:28:10,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:28:12,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:28:15,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:28:16,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:16,237 INFO L93 Difference]: Finished difference Result 413 states and 558 transitions. [2021-12-06 17:28:16,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:28:16,268 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 32 [2021-12-06 17:28:16,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:16,271 INFO L225 Difference]: With dead ends: 413 [2021-12-06 17:28:16,271 INFO L226 Difference]: Without dead ends: 399 [2021-12-06 17:28:16,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:28:16,272 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 246 mSDsluCounter, 2635 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 8 mSolverCounterUnsat, 39 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 2958 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 39 IncrementalHoareTripleChecker+Unknown, 253 IncrementalHoareTripleChecker+Unchecked, 113.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:28:16,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 2958 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 159 Invalid, 39 Unknown, 253 Unchecked, 113.4s Time] [2021-12-06 17:28:16,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2021-12-06 17:28:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 333. [2021-12-06 17:28:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 309 states have (on average 1.3527508090614886) internal successors, (418), 311 states have internal predecessors, (418), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (17), 13 states have call predecessors, (17), 15 states have call successors, (17) [2021-12-06 17:28:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 450 transitions. [2021-12-06 17:28:16,290 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 450 transitions. Word has length 32 [2021-12-06 17:28:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:16,290 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 450 transitions. [2021-12-06 17:28:16,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:28:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 450 transitions. [2021-12-06 17:28:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 17:28:16,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:16,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:28:16,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 17:28:16,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:28:16,493 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:28:16,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:16,493 INFO L85 PathProgramCache]: Analyzing trace with hash -974370973, now seen corresponding path program 1 times [2021-12-06 17:28:16,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:28:16,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780348761] [2021-12-06 17:28:16,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:16,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:28:16,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:28:16,495 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:28:16,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 17:28:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:22,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 17:28:22,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:28:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:28:25,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:28:25,279 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:28:25,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780348761] [2021-12-06 17:28:25,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780348761] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:28:25,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:28:25,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:28:25,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544540221] [2021-12-06 17:28:25,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:28:25,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:28:25,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:28:25,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:28:25,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:28:25,281 INFO L87 Difference]: Start difference. First operand 333 states and 450 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:28:25,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:25,294 INFO L93 Difference]: Finished difference Result 390 states and 518 transitions. [2021-12-06 17:28:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:28:25,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 32 [2021-12-06 17:28:25,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:25,297 INFO L225 Difference]: With dead ends: 390 [2021-12-06 17:28:25,297 INFO L226 Difference]: Without dead ends: 328 [2021-12-06 17:28:25,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:28:25,298 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 0 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:28:25,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1616 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2021-12-06 17:28:25,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-12-06 17:28:25,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2021-12-06 17:28:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 304 states have (on average 1.3453947368421053) internal successors, (409), 306 states have internal predecessors, (409), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (17), 13 states have call predecessors, (17), 15 states have call successors, (17) [2021-12-06 17:28:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 441 transitions. [2021-12-06 17:28:25,314 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 441 transitions. Word has length 32 [2021-12-06 17:28:25,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:25,314 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 441 transitions. [2021-12-06 17:28:25,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:28:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 441 transitions. [2021-12-06 17:28:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 17:28:25,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:25,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:28:25,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 17:28:25,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:28:25,516 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:28:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:25,517 INFO L85 PathProgramCache]: Analyzing trace with hash -536136206, now seen corresponding path program 1 times [2021-12-06 17:28:25,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:28:25,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271277274] [2021-12-06 17:28:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:25,518 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:28:25,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:28:25,519 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:28:25,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 17:28:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:31,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:28:31,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:28:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:28:35,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:28:35,804 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:28:35,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271277274] [2021-12-06 17:28:35,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271277274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:28:35,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:28:35,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:28:35,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193676095] [2021-12-06 17:28:35,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:28:35,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:28:35,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:28:35,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:28:35,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 17:28:35,805 INFO L87 Difference]: Start difference. First operand 328 states and 441 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:28:35,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:35,809 INFO L93 Difference]: Finished difference Result 328 states and 441 transitions. [2021-12-06 17:28:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:28:35,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 33 [2021-12-06 17:28:35,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:35,809 INFO L225 Difference]: With dead ends: 328 [2021-12-06 17:28:35,809 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:28:35,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 17:28:35,811 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:28:35,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-12-06 17:28:35,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:28:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:28:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:28:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:28:35,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-12-06 17:28:35,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:35,812 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:28:35,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:28:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:28:35,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:28:35,814 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:28:35,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-06 17:28:36,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:28:36,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:28:38,086 INFO L861 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: true [2021-12-06 17:28:38,086 INFO L858 garLoopResultBuilder]: For program point L151-1(line 151) no Hoare annotation was computed. [2021-12-06 17:28:38,086 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 152) no Hoare annotation was computed. [2021-12-06 17:28:38,086 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 111 161) no Hoare annotation was computed. [2021-12-06 17:28:38,086 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 139 144) no Hoare annotation was computed. [2021-12-06 17:28:38,086 INFO L861 garLoopResultBuilder]: At program point L139-2(lines 139 144) the Hoare annotation is: true [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L139-3(lines 139 144) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 151) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 111 161) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 111 161) the Hoare annotation is: true [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L861 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 132) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L120-2(lines 111 161) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L861 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: true [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L149-1(line 149) no Hoare annotation was computed. [2021-12-06 17:28:38,087 INFO L861 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: true [2021-12-06 17:28:38,087 INFO L858 garLoopResultBuilder]: For program point L137-1(line 137) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 154 159) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L861 garLoopResultBuilder]: At program point L154-2(lines 154 159) the Hoare annotation is: true [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L154-3(lines 154 159) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 118) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L861 garLoopResultBuilder]: At program point L113-2(lines 113 118) the Hoare annotation is: true [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L113-3(lines 113 118) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 146) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 131) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 97) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 86 105) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 86 105) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 86 105) no Hoare annotation was computed. [2021-12-06 17:28:38,088 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 86 105) the Hoare annotation is: true [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 103) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 86 105) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L98-2(lines 98 103) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L861 garLoopResultBuilder]: At program point L88-2(lines 88 92) the Hoare annotation is: true [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 162 176) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 162 176) the Hoare annotation is: true [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 174) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 162 176) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L169-2(lines 169 174) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 162 176) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L164-1(lines 164 168) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L861 garLoopResultBuilder]: At program point L164-2(lines 164 168) the Hoare annotation is: true [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point L564-1(lines 564 573) no Hoare annotation was computed. [2021-12-06 17:28:38,089 INFO L858 garLoopResultBuilder]: For program point __kernel_tanFINAL(lines 541 611) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 544 548) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L861 garLoopResultBuilder]: At program point L544-2(lines 544 548) the Hoare annotation is: true [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L544-3(lines 544 548) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L602-1(lines 602 607) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L861 garLoopResultBuilder]: At program point L602-2(lines 602 607) the Hoare annotation is: true [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L602-3(lines 602 607) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 568) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L861 garLoopResultBuilder]: At program point __kernel_tanENTRY(lines 541 611) the Hoare annotation is: true [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L565-2(lines 565 568) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L594-1(lines 594 599) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L861 garLoopResultBuilder]: At program point L594-2(lines 594 599) the Hoare annotation is: true [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L561-2(line 561) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L594-3(lines 594 599) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 553 557) no Hoare annotation was computed. [2021-12-06 17:28:38,090 INFO L861 garLoopResultBuilder]: At program point L553-2(lines 553 557) the Hoare annotation is: true [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L553-3(lines 551 562) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point __kernel_tanEXIT(lines 541 611) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 563) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L550-2(lines 541 611) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L861 garLoopResultBuilder]: At program point L559(line 559) the Hoare annotation is: true [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L559-1(line 559) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 610) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 562) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 503) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L498-1(lines 397 526) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 503) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 202) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L201-2(lines 201 202) no Hoare annotation was computed. [2021-12-06 17:28:38,091 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L334-2(lines 334 335) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L854 garLoopResultBuilder]: At program point L334-3(lines 334 335) the Hoare annotation is: false [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L334-4(lines 320 360) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L854 garLoopResultBuilder]: At program point L632(line 632) the Hoare annotation is: false [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L632-1(line 632) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L854 garLoopResultBuilder]: At program point L632-2(lines 613 634) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_tan_double_~x#1|) (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_tan_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L38(lines 38 41) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 238) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L270-1(lines 192 362) no Hoare annotation was computed. [2021-12-06 17:28:38,092 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 192 362) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 404 408) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L854 garLoopResultBuilder]: At program point L404-2(lines 404 408) the Hoare annotation is: false [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L338(line 338) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L404-3(lines 404 408) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 273) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L854 garLoopResultBuilder]: At program point L272-3(lines 272 273) the Hoare annotation is: false [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L272-4(lines 270 287) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L240(lines 192 362) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L854 garLoopResultBuilder]: At program point L339-3(lines 339 343) the Hoare annotation is: false [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L339-4(lines 339 343) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L207-2(lines 207 208) no Hoare annotation was computed. [2021-12-06 17:28:38,093 INFO L854 garLoopResultBuilder]: At program point L207-3(lines 207 208) the Hoare annotation is: false [2021-12-06 17:28:38,093 INFO L858 garLoopResultBuilder]: For program point L207-4(lines 207 208) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 505 510) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L854 garLoopResultBuilder]: At program point L505-2(lines 505 510) the Hoare annotation is: false [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L505-3(lines 505 510) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L208-2(line 208) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 486) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L275-1(lines 275 276) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L275-3(lines 275 276) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L854 garLoopResultBuilder]: At program point L275-4(lines 275 276) the Hoare annotation is: false [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L275-5(lines 275 276) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 82) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L77-1(lines 23 84) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L854 garLoopResultBuilder]: At program point L441(line 441) the Hoare annotation is: false [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L441-1(line 441) no Hoare annotation was computed. [2021-12-06 17:28:38,094 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 312) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 312) the Hoare annotation is: false [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L243-2(lines 243 252) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 309 312) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 214) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L854 garLoopResultBuilder]: At program point L243-3(lines 243 252) the Hoare annotation is: false [2021-12-06 17:28:38,095 INFO L854 garLoopResultBuilder]: At program point L210-3(lines 210 214) the Hoare annotation is: false [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L243-4(lines 240 268) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 214) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 46) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 211 212) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L854 garLoopResultBuilder]: At program point L211-3(lines 211 212) the Hoare annotation is: false [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L211-4(lines 211 212) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 414) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 251) no Hoare annotation was computed. [2021-12-06 17:28:38,095 INFO L854 garLoopResultBuilder]: At program point L344-3(lines 344 348) the Hoare annotation is: false [2021-12-06 17:28:38,095 INFO L858 garLoopResultBuilder]: For program point L278-2(lines 278 283) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L344-4(lines 344 348) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 283) the Hoare annotation is: false [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L278-4(lines 278 283) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L47(lines 47 52) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 249) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 511 514) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L854 garLoopResultBuilder]: At program point L511-3(lines 511 514) the Hoare annotation is: false [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L511-4(lines 511 514) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 280 281) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L854 garLoopResultBuilder]: At program point L280-3(lines 280 281) the Hoare annotation is: false [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L280-4(lines 280 281) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L446-2(lines 446 478) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L858 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-12-06 17:28:38,096 INFO L854 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L854 garLoopResultBuilder]: At program point L83(lines 23 84) the Hoare annotation is: false [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 485) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 316) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 315 316) the Hoare annotation is: false [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 315 316) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 439) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L349-2(lines 349 350) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L854 garLoopResultBuilder]: At program point L349-3(lines 349 350) the Hoare annotation is: false [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L349-4(lines 320 360) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L854 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_tan_double_~x#1|) (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_tan_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 650) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 438) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L858 garLoopResultBuilder]: For program point L648(line 648) no Hoare annotation was computed. [2021-12-06 17:28:38,097 INFO L854 garLoopResultBuilder]: At program point L285(lines 192 362) the Hoare annotation is: false [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L854 garLoopResultBuilder]: At program point L219-3(lines 219 223) the Hoare annotation is: false [2021-12-06 17:28:38,098 INFO L854 garLoopResultBuilder]: At program point L219-4(lines 219 223) the Hoare annotation is: false [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 76) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 517 518) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 425) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L854 garLoopResultBuilder]: At program point L517-3(lines 517 518) the Hoare annotation is: false [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L517-4(lines 517 518) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L418-2(lines 418 425) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L253-1(lines 240 268) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 58) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L617-1(lines 617 621) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L854 garLoopResultBuilder]: At program point L617-2(lines 617 621) the Hoare annotation is: (and (= |ULTIMATE.start_tan_double_~#y~0#1.offset| (_ bv0 32)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_tan_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L617-3(lines 617 621) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 452 456) no Hoare annotation was computed. [2021-12-06 17:28:38,098 INFO L854 garLoopResultBuilder]: At program point L452-2(lines 452 456) the Hoare annotation is: false [2021-12-06 17:28:38,098 INFO L858 garLoopResultBuilder]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L854 garLoopResultBuilder]: At program point L320(lines 320 360) the Hoare annotation is: false [2021-12-06 17:28:38,099 INFO L854 garLoopResultBuilder]: At program point L254(lines 254 261) the Hoare annotation is: false [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L321(line 321) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L861 garLoopResultBuilder]: At program point L652(lines 636 653) the Hoare annotation is: true [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 491) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 324) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 324) the Hoare annotation is: false [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 320 360) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-12-06 17:28:38,099 INFO L858 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L292-1(lines 292 295) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L854 garLoopResultBuilder]: At program point L292-3(lines 292 295) the Hoare annotation is: false [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 62) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 477) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 446 478) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 633) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L854 garLoopResultBuilder]: At program point L525(lines 397 526) the Hoare annotation is: false [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L327-2(line 327) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 75) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L854 garLoopResultBuilder]: At program point L625(line 625) the Hoare annotation is: false [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L625-1(line 625) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 493 497) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L854 garLoopResultBuilder]: At program point L493-2(lines 493 497) the Hoare annotation is: false [2021-12-06 17:28:38,100 INFO L854 garLoopResultBuilder]: At program point L361(lines 191 362) the Hoare annotation is: false [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2021-12-06 17:28:38,100 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 73) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 72) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 436) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L429-2(lines 429 436) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L854 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: false [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L330-2(lines 330 331) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L854 garLoopResultBuilder]: At program point L330-3(lines 330 331) the Hoare annotation is: false [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L330-4(lines 320 360) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 76) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 305) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 266) no Hoare annotation was computed. [2021-12-06 17:28:38,101 INFO L854 garLoopResultBuilder]: At program point L298-2(lines 289 306) the Hoare annotation is: false [2021-12-06 17:28:38,102 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 53) no Hoare annotation was computed. [2021-12-06 17:28:38,102 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2021-12-06 17:28:38,102 INFO L854 garLoopResultBuilder]: At program point L464-2(lines 464 468) the Hoare annotation is: false [2021-12-06 17:28:38,102 INFO L858 garLoopResultBuilder]: For program point L464-3(lines 464 468) no Hoare annotation was computed. [2021-12-06 17:28:38,102 INFO L858 garLoopResultBuilder]: For program point L332-1(line 332) no Hoare annotation was computed. [2021-12-06 17:28:38,102 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2021-12-06 17:28:38,102 INFO L858 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2021-12-06 17:28:38,102 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 42) no Hoare annotation was computed. [2021-12-06 17:28:38,104 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:28:38,105 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:28:38,113 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:28:38 BoogieIcfgContainer [2021-12-06 17:28:38,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:28:38,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:28:38,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:28:38,120 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:28:38,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:31" (3/4) ... [2021-12-06 17:28:38,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:28:38,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-12-06 17:28:38,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-12-06 17:28:38,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-12-06 17:28:38,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tan [2021-12-06 17:28:38,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-06 17:28:38,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-12-06 17:28:38,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-06 17:28:38,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:28:38,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-06 17:28:38,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-06 17:28:38,241 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:28:38,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:28:38,241 INFO L158 Benchmark]: Toolchain (without parser) took 485333.44ms. Allocated memory was 79.7MB in the beginning and 159.4MB in the end (delta: 79.7MB). Free memory was 43.0MB in the beginning and 68.4MB in the end (delta: -25.4MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-12-06 17:28:38,241 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:28:38,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.58ms. Allocated memory is still 79.7MB. Free memory was 42.8MB in the beginning and 43.3MB in the end (delta: -458.0kB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-12-06 17:28:38,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.38ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 37.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:28:38,242 INFO L158 Benchmark]: Boogie Preprocessor took 117.89ms. Allocated memory was 79.7MB in the beginning and 159.4MB in the end (delta: 79.7MB). Free memory was 37.0MB in the beginning and 136.8MB in the end (delta: -99.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-12-06 17:28:38,243 INFO L158 Benchmark]: RCFGBuilder took 57907.13ms. Allocated memory is still 159.4MB. Free memory was 136.8MB in the beginning and 113.3MB in the end (delta: 23.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2021-12-06 17:28:38,243 INFO L158 Benchmark]: TraceAbstraction took 426540.71ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 95.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-12-06 17:28:38,243 INFO L158 Benchmark]: Witness Printer took 120.81ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 68.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-06 17:28:38,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.58ms. Allocated memory is still 79.7MB. Free memory was 42.8MB in the beginning and 43.3MB in the end (delta: -458.0kB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.38ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 37.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.89ms. Allocated memory was 79.7MB in the beginning and 159.4MB in the end (delta: 79.7MB). Free memory was 37.0MB in the beginning and 136.8MB in the end (delta: -99.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 57907.13ms. Allocated memory is still 159.4MB. Free memory was 136.8MB in the beginning and 113.3MB in the end (delta: 23.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * TraceAbstraction took 426540.71ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 95.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 120.81ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 68.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. 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 * 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: 648]: 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: 426.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 356.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 124 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 352.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 754 mSDsluCounter, 12396 SdHoareTripleChecker+Invalid, 341.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 583 IncrementalHoareTripleChecker+Unchecked, 10093 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 481 IncrementalHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2303 mSDtfsCounter, 481 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=357occurred in iteration=5, InterpolantAutomatonStates: 53, 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, 8 MinimizatonAttempts, 157 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 190 PreInvPairs, 202 NumberOfFragments, 119 HoareAnnotationTreeSize, 190 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 34.2s SatisfiabilityAnalysisTime, 31.4s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 191 ConstructedInterpolants, 49 QuantifiedInterpolants, 1375 SizeOfPredicates, 77 NumberOfNonLiveVariables, 2564 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant [2021-12-06 17:28:38,252 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,254 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,254 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 617]: Loop Invariant [2021-12-06 17:28:38,254 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,254 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (y == 0bv32 && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant [2021-12-06 17:28:38,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 17:28:38,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((1bv32 == \result && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-06 17:28:38,460 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-06 17:28:38,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d190f040-c82f-44f2-a710-a95af5655332/bin/uautomizer-DrprNOufMa/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