./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0220a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0220a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF --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 333cf4282aaef943eedac534c8cfd5b66279089357670774db08ef0cc555d881 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:39:25,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:39:25,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:39:25,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:39:25,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:39:25,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:39:25,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:39:25,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:39:25,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:39:25,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:39:25,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:39:25,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:39:25,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:39:25,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:39:25,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:39:25,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:39:25,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:39:25,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:39:25,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:39:25,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:39:25,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:39:25,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:39:25,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:39:25,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:39:25,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:39:25,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:39:25,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:39:25,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:39:25,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:39:25,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:39:25,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:39:25,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:39:25,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:39:25,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:39:25,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:39:25,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:39:25,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:39:25,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:39:25,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:39:25,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:39:25,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:39:25,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 05:39:25,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:39:25,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:39:25,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:39:25,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:39:25,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:39:25,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:39:25,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:39:25,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:39:25,859 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:39:25,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:39:25,860 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:39:25,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:39:25,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:39:25,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:39:25,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:39:25,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:39:25,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:39:25,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:39:25,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:39:25,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:39:25,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:39:25,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:39:25,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:39:25,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:39:25,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:39:25,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:39:25,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:39:25,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:39:25,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:39:25,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:39:25,869 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:39:25,869 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:39:25,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:39:25,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:39:25,870 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_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 333cf4282aaef943eedac534c8cfd5b66279089357670774db08ef0cc555d881 [2021-11-20 05:39:26,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:39:26,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:39:26,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:39:26,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:39:26,244 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:39:26,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0220a.c [2021-11-20 05:39:26,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data/651019653/8abeb9673f974a63ac41224cf1ca9509/FLAG81a2e91aa [2021-11-20 05:39:26,998 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:39:26,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/sv-benchmarks/c/float-newlib/double_req_bl_0220a.c [2021-11-20 05:39:27,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data/651019653/8abeb9673f974a63ac41224cf1ca9509/FLAG81a2e91aa [2021-11-20 05:39:27,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data/651019653/8abeb9673f974a63ac41224cf1ca9509 [2021-11-20 05:39:27,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:39:27,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:39:27,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:39:27,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:39:27,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:39:27,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:27,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d04779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27, skipping insertion in model container [2021-11-20 05:39:27,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:27,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:39:27,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:39:27,765 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_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/sv-benchmarks/c/float-newlib/double_req_bl_0220a.c[16452,16465] [2021-11-20 05:39:27,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:39:27,790 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:39:27,912 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_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/sv-benchmarks/c/float-newlib/double_req_bl_0220a.c[16452,16465] [2021-11-20 05:39:27,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:39:27,949 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:39:27,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27 WrapperNode [2021-11-20 05:39:27,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:39:27,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:39:27,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:39:27,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:39:27,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,135 INFO L137 Inliner]: procedures = 25, calls = 379, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1053 [2021-11-20 05:39:28,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:39:28,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:39:28,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:39:28,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:39:28,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:39:28,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:39:28,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:39:28,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:39:28,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (1/1) ... [2021-11-20 05:39:28,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:39:28,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:39:28,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:39:28,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:39:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:39:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 05:39:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 05:39:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-11-20 05:39:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-11-20 05:39:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:39:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 05:39:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:39:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 05:39:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:39:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 05:39:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-11-20 05:39:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-11-20 05:39:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 05:39:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 05:39:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:39:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:39:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:39:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:39:28,579 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:39:28,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:39:29,921 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:39:29,963 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:39:29,964 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-20 05:39:29,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:29 BoogieIcfgContainer [2021-11-20 05:39:29,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:39:29,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:39:29,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:39:29,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:39:29,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:39:27" (1/3) ... [2021-11-20 05:39:29,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1e92ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:39:29, skipping insertion in model container [2021-11-20 05:39:29,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:27" (2/3) ... [2021-11-20 05:39:29,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1e92ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:39:29, skipping insertion in model container [2021-11-20 05:39:29,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:29" (3/3) ... [2021-11-20 05:39:29,977 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0220a.c [2021-11-20 05:39:29,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:39:29,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:39:30,056 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:39:30,064 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 [2021-11-20 05:39:30,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:39:30,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 244 states have internal predecessors, (406), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 05:39:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 05:39:30,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:39:30,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:39:30,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:39:30,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:39:30,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1677729891, now seen corresponding path program 1 times [2021-11-20 05:39:30,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:39:30,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763889109] [2021-11-20 05:39:30,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:30,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:39:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:39:30,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:39:30,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763889109] [2021-11-20 05:39:30,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763889109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:39:30,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:39:30,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:39:30,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572342642] [2021-11-20 05:39:30,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:39:30,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:39:30,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:39:30,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:39:30,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:39:30,515 INFO L87 Difference]: Start difference. First operand has 261 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 244 states have internal predecessors, (406), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:39:30,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:39:30,588 INFO L93 Difference]: Finished difference Result 520 states and 870 transitions. [2021-11-20 05:39:30,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:39:30,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 05:39:30,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:39:30,605 INFO L225 Difference]: With dead ends: 520 [2021-11-20 05:39:30,605 INFO L226 Difference]: Without dead ends: 258 [2021-11-20 05:39:30,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:39:30,617 INFO L933 BasicCegarLoop]: 364 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, 364 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:39:30,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:39:30,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-11-20 05:39:30,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2021-11-20 05:39:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 241 states have (on average 1.3983402489626555) internal successors, (337), 241 states have internal predecessors, (337), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 05:39:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 361 transitions. [2021-11-20 05:39:30,688 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 361 transitions. Word has length 10 [2021-11-20 05:39:30,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:39:30,689 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 361 transitions. [2021-11-20 05:39:30,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:39:30,690 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 361 transitions. [2021-11-20 05:39:30,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 05:39:30,691 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:39:30,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:39:30,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:39:30,692 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:39:30,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:39:30,693 INFO L85 PathProgramCache]: Analyzing trace with hash 750184147, now seen corresponding path program 1 times [2021-11-20 05:39:30,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:39:30,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639678171] [2021-11-20 05:39:30,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:30,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:39:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:39:30,848 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:39:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:39:31,016 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:39:31,020 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:39:31,022 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:39:31,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:39:31,030 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 05:39:31,033 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:39:31,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:39:31 BoogieIcfgContainer [2021-11-20 05:39:31,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:39:31,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:39:31,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:39:31,128 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:39:31,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:29" (3/4) ... [2021-11-20 05:39:31,139 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:39:31,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:39:31,142 INFO L158 Benchmark]: Toolchain (without parser) took 3870.57ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.4MB in the beginning and 69.8MB in the end (delta: -16.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2021-11-20 05:39:31,143 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:39:31,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.29ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 69.0MB in the end (delta: -15.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 05:39:31,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.05ms. Allocated memory is still 111.1MB. Free memory was 69.0MB in the beginning and 63.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 05:39:31,152 INFO L158 Benchmark]: Boogie Preprocessor took 179.14ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 56.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 05:39:31,153 INFO L158 Benchmark]: RCFGBuilder took 1646.06ms. Allocated memory is still 111.1MB. Free memory was 56.7MB in the beginning and 79.7MB in the end (delta: -23.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-20 05:39:31,154 INFO L158 Benchmark]: TraceAbstraction took 1157.39ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 70.5MB in the end (delta: 8.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-11-20 05:39:31,154 INFO L158 Benchmark]: Witness Printer took 11.90ms. Allocated memory is still 111.1MB. Free memory was 70.5MB in the beginning and 69.8MB in the end (delta: 690.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:39:31,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 668.29ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 69.0MB in the end (delta: -15.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.05ms. Allocated memory is still 111.1MB. Free memory was 69.0MB in the beginning and 63.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.14ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 56.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1646.06ms. Allocated memory is still 111.1MB. Free memory was 56.7MB in the beginning and 79.7MB in the end (delta: -23.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1157.39ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 70.5MB in the end (delta: 8.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Witness Printer took 11.90ms. Allocated memory is still 111.1MB. Free memory was 70.5MB in the beginning and 69.8MB in the end (delta: 690.9kB). 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: 655]: 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 542, overapproximation of bitwiseAnd at line 622, overapproximation of someBinaryArithmeticDOUBLEoperation at line 626, overapproximation of someBinaryDOUBLEComparisonOperation at line 654. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L119-L121] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L190] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L192-L197] 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, }; [L199-L201] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L376-L387] 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, }; [L389-L396] 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, }; [L398-L407] 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; [L540-L546] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L584-L590] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, 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_kcos=1, one_krempio=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}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, 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] [L650] double x = 0.0; [L651] CALL, EXPR sin_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; VAL [\old(x)=0, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, 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_kcos=1, one_krempio=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}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, 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=0, 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 [L622] ix &= 0x7fffffff VAL [\old(x)=0, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, 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_kcos=1, one_krempio=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}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, 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=0, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L623] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=0, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, 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_kcos=1, one_krempio=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}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, 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=0, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L625] COND TRUE ix >= 0x7ff00000 [L626] return x - x; [L626] return x - x; VAL [\old(x)=0, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, 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_kcos=1, one_krempio=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}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, 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=0, z=0, zero_krempio=0, zero_rempio=0] [L651] RET, EXPR sin_double(x) [L651] double res = sin_double(x); [L654] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, 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_kcos=1, one_krempio=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}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, res == 0.0 && __signbit_double(res) == 0=0, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, 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=0, zero_krempio=0, zero_rempio=0] [L654] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L655] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, 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_kcos=1, one_krempio=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}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, 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=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 364 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, 364 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=261occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s 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 [2021-11-20 05:39:31,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/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_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0220a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF --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 333cf4282aaef943eedac534c8cfd5b66279089357670774db08ef0cc555d881 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:39:33,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:39:33,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:39:33,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:39:33,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:39:33,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:39:33,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:39:33,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:39:33,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:39:33,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:39:33,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:39:33,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:39:33,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:39:33,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:39:33,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:39:33,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:39:33,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:39:33,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:39:33,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:39:33,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:39:33,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:39:33,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:39:34,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:39:34,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:39:34,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:39:34,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:39:34,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:39:34,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:39:34,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:39:34,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:39:34,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:39:34,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:39:34,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:39:34,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:39:34,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:39:34,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:39:34,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:39:34,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:39:34,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:39:34,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:39:34,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:39:34,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 05:39:34,081 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:39:34,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:39:34,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:39:34,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:39:34,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:39:34,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:39:34,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:39:34,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:39:34,085 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:39:34,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:39:34,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:39:34,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:39:34,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:39:34,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:39:34,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:39:34,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:39:34,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 05:39:34,088 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 05:39:34,089 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 05:39:34,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:39:34,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:39:34,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:39:34,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:39:34,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:39:34,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:39:34,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:39:34,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:39:34,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:39:34,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:39:34,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:39:34,091 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 05:39:34,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 05:39:34,092 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:39:34,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:39:34,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:39:34,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:39:34,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 05:39:34,093 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_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 333cf4282aaef943eedac534c8cfd5b66279089357670774db08ef0cc555d881 [2021-11-20 05:39:34,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:39:34,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:39:34,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:39:34,615 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:39:34,616 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:39:34,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0220a.c [2021-11-20 05:39:34,703 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data/f5a520c5e/880d7789e06942e38f7bcd4513482327/FLAGbac372181 [2021-11-20 05:39:35,510 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:39:35,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/sv-benchmarks/c/float-newlib/double_req_bl_0220a.c [2021-11-20 05:39:35,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data/f5a520c5e/880d7789e06942e38f7bcd4513482327/FLAGbac372181 [2021-11-20 05:39:35,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/data/f5a520c5e/880d7789e06942e38f7bcd4513482327 [2021-11-20 05:39:35,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:39:35,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:39:35,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:39:35,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:39:35,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:39:35,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:39:35" (1/1) ... [2021-11-20 05:39:35,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d2e444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:35, skipping insertion in model container [2021-11-20 05:39:35,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:39:35" (1/1) ... [2021-11-20 05:39:35,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:39:35,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:39:36,227 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_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/sv-benchmarks/c/float-newlib/double_req_bl_0220a.c[16452,16465] [2021-11-20 05:39:36,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:39:36,262 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:39:36,445 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_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/sv-benchmarks/c/float-newlib/double_req_bl_0220a.c[16452,16465] [2021-11-20 05:39:36,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:39:36,503 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:39:36,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36 WrapperNode [2021-11-20 05:39:36,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:39:36,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:39:36,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:39:36,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:39:36,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,684 INFO L137 Inliner]: procedures = 29, calls = 379, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1051 [2021-11-20 05:39:36,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:39:36,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:39:36,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:39:36,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:39:36,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:39:36,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:39:36,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:39:36,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:39:36,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (1/1) ... [2021-11-20 05:39:36,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:39:36,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:39:36,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:39:36,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:39:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:39:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-20 05:39:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-20 05:39:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-20 05:39:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-20 05:39:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 05:39:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 05:39:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-11-20 05:39:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-11-20 05:39:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:39:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-20 05:39:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 05:39:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-11-20 05:39:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-11-20 05:39:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-20 05:39:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-20 05:39:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:39:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:39:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 05:39:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:39:37,256 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:39:37,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:40:26,092 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:40:26,107 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:40:26,107 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-20 05:40:26,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:40:26 BoogieIcfgContainer [2021-11-20 05:40:26,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:40:26,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:40:26,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:40:26,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:40:26,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:39:35" (1/3) ... [2021-11-20 05:40:26,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:40:26, skipping insertion in model container [2021-11-20 05:40:26,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:36" (2/3) ... [2021-11-20 05:40:26,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:40:26, skipping insertion in model container [2021-11-20 05:40:26,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:40:26" (3/3) ... [2021-11-20 05:40:26,121 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0220a.c [2021-11-20 05:40:26,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:40:26,128 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:40:26,188 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:40:26,196 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 [2021-11-20 05:40:26,196 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:40:26,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 244 states have internal predecessors, (406), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 05:40:26,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 05:40:26,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:40:26,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:40:26,230 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:40:26,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:40:26,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1677729891, now seen corresponding path program 1 times [2021-11-20 05:40:26,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:40:26,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863863706] [2021-11-20 05:40:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:40:26,254 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:40:26,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:40:26,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:40:26,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 05:40:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:26,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 05:40:26,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:40:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:40:26,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:40:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:40:27,126 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:40:27,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863863706] [2021-11-20 05:40:27,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863863706] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:40:27,128 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:40:27,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 05:40:27,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784928432] [2021-11-20 05:40:27,131 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:40:27,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:40:27,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:40:27,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:40:27,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:40:27,173 INFO L87 Difference]: Start difference. First operand has 261 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 244 states have internal predecessors, (406), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:40:27,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:40:27,268 INFO L93 Difference]: Finished difference Result 520 states and 870 transitions. [2021-11-20 05:40:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:40:27,271 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 05:40:27,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:40:27,290 INFO L225 Difference]: With dead ends: 520 [2021-11-20 05:40:27,290 INFO L226 Difference]: Without dead ends: 258 [2021-11-20 05:40:27,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:40:27,315 INFO L933 BasicCegarLoop]: 364 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, 364 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:40:27,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:40:27,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-11-20 05:40:27,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2021-11-20 05:40:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 241 states have (on average 1.3983402489626555) internal successors, (337), 241 states have internal predecessors, (337), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 05:40:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 361 transitions. [2021-11-20 05:40:27,392 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 361 transitions. Word has length 10 [2021-11-20 05:40:27,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:40:27,392 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 361 transitions. [2021-11-20 05:40:27,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:40:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 361 transitions. [2021-11-20 05:40:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 05:40:27,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:40:27,394 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:40:27,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:40:27,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:40:27,615 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:40:27,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:40:27,616 INFO L85 PathProgramCache]: Analyzing trace with hash 750184147, now seen corresponding path program 1 times [2021-11-20 05:40:27,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:40:27,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827367805] [2021-11-20 05:40:27,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:40:27,617 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:40:27,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:40:27,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:40:27,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 05:40:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:28,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 05:40:28,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:40:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:40:28,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:40:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:40:29,487 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:40:29,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827367805] [2021-11-20 05:40:29,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827367805] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:40:29,487 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:40:29,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-20 05:40:29,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647580543] [2021-11-20 05:40:29,488 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:40:29,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:40:29,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:40:29,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:40:29,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:40:29,491 INFO L87 Difference]: Start difference. First operand 258 states and 361 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:40:29,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:40:29,674 INFO L93 Difference]: Finished difference Result 277 states and 382 transitions. [2021-11-20 05:40:29,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:40:29,674 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 05:40:29,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:40:29,675 INFO L225 Difference]: With dead ends: 277 [2021-11-20 05:40:29,675 INFO L226 Difference]: Without dead ends: 27 [2021-11-20 05:40:29,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:40:29,680 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:40:29,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 102 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2021-11-20 05:40:29,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-20 05:40:29,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-20 05:40:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 05:40:29,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-20 05:40:29,686 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2021-11-20 05:40:29,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:40:29,687 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-20 05:40:29,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:40:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-20 05:40:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 05:40:29,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:40:29,689 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] [2021-11-20 05:40:29,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:40:29,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:40:29,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:40:29,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:40:29,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1420923203, now seen corresponding path program 1 times [2021-11-20 05:40:29,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:40:29,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822684880] [2021-11-20 05:40:29,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:40:29,913 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:40:29,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:40:29,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:40:29,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 05:40:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:30,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 05:40:30,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:40:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:40:31,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:40:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:40:34,779 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:40:34,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822684880] [2021-11-20 05:40:34,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822684880] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:40:34,780 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:40:34,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 05:40:34,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867689242] [2021-11-20 05:40:34,781 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:40:34,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 05:40:34,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:40:34,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 05:40:34,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-20 05:40:34,783 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:40:37,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:41,080 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:43,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:45,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:48,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:50,080 WARN L515 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 [] [2021-11-20 05:40:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:40:51,490 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-11-20 05:40:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 05:40:51,491 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2021-11-20 05:40:51,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:40:51,492 INFO L225 Difference]: With dead ends: 43 [2021-11-20 05:40:51,492 INFO L226 Difference]: Without dead ends: 40 [2021-11-20 05:40:51,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-20 05:40:51,495 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 59 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:40:51,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 164 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 6 Unknown, 0 Unchecked, 15.1s Time] [2021-11-20 05:40:51,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-20 05:40:51,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-11-20 05:40:51,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:40:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-11-20 05:40:51,502 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2021-11-20 05:40:51,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:40:51,503 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-11-20 05:40:51,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:40:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-11-20 05:40:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-20 05:40:51,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:40:51,505 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] [2021-11-20 05:40:51,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:40:51,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:40:51,725 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:40:51,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:40:51,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1628843070, now seen corresponding path program 1 times [2021-11-20 05:40:51,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:40:51,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267428746] [2021-11-20 05:40:51,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:40:51,727 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:40:51,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:40:51,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:40:51,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 05:40:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:54,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 05:40:54,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:40:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:40:55,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:40:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:40:59,944 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:40:59,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267428746] [2021-11-20 05:40:59,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267428746] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:40:59,945 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:40:59,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 05:40:59,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866328734] [2021-11-20 05:40:59,945 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:40:59,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 05:40:59,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:40:59,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 05:40:59,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 05:40:59,947 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:41:01,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:01,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:01,500 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-11-20 05:41:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:41:01,501 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-11-20 05:41:01,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:01,502 INFO L225 Difference]: With dead ends: 46 [2021-11-20 05:41:01,502 INFO L226 Difference]: Without dead ends: 32 [2021-11-20 05:41:01,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-20 05:41:01,504 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 22 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:01,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 180 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 32 Unchecked, 1.4s Time] [2021-11-20 05:41:01,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-20 05:41:01,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-20 05:41:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-11-20 05:41:01,510 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2021-11-20 05:41:01,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:01,511 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-11-20 05:41:01,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:41:01,512 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-11-20 05:41:01,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 05:41:01,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:01,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:01,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:41:01,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:41:01,723 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:01,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:01,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1175975143, now seen corresponding path program 1 times [2021-11-20 05:41:01,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:41:01,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416283203] [2021-11-20 05:41:01,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:01,725 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:41:01,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:41:01,726 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:41:01,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 05:41:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:04,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 05:41:04,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:41:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:41:05,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:41:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:41:19,289 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:41:19,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416283203] [2021-11-20 05:41:19,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416283203] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:19,289 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:19,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 05:41:19,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948008730] [2021-11-20 05:41:19,289 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:19,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:41:19,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:41:19,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:41:19,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:41:19,291 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:41:22,080 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:26,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:29,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:31,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:31,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:31,552 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2021-11-20 05:41:31,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:41:31,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-20 05:41:31,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:31,732 INFO L225 Difference]: With dead ends: 39 [2021-11-20 05:41:31,732 INFO L226 Difference]: Without dead ends: 25 [2021-11-20 05:41:31,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:41:31,733 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 19 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:31,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 62 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 11.4s Time] [2021-11-20 05:41:31,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-20 05:41:31,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-20 05:41:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 05:41:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-11-20 05:41:31,738 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 22 [2021-11-20 05:41:31,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:31,739 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-11-20 05:41:31,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:41:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-11-20 05:41:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 05:41:31,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:31,741 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:31,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-20 05:41:31,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:41:31,944 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:31,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:31,944 INFO L85 PathProgramCache]: Analyzing trace with hash -846223854, now seen corresponding path program 1 times [2021-11-20 05:41:31,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:41:31,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304502540] [2021-11-20 05:41:31,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:31,946 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:41:31,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:41:31,951 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:41:31,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 05:41:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:32,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 05:41:32,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:41:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:41:34,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:41:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:41:42,926 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:41:42,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304502540] [2021-11-20 05:41:42,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304502540] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:42,926 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:42,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 20 [2021-11-20 05:41:42,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990721534] [2021-11-20 05:41:42,927 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:42,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 05:41:42,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:41:42,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 05:41:42,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-20 05:41:42,929 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:41:45,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:48,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:48,616 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-11-20 05:41:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 05:41:48,616 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2021-11-20 05:41:48,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:48,617 INFO L225 Difference]: With dead ends: 25 [2021-11-20 05:41:48,617 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 05:41:48,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=106, Invalid=596, Unknown=0, NotChecked=0, Total=702 [2021-11-20 05:41:48,619 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 27 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:48,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 135 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 1 Unknown, 45 Unchecked, 2.8s Time] [2021-11-20 05:41:48,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 05:41:48,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 05:41:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:41:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 05:41:48,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-20 05:41:48,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:48,622 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:41:48,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 18 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:41:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:41:48,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 05:41:48,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:41:48,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:41:48,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:41:48,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 05:41:50,227 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 164) no Hoare annotation was computed. [2021-11-20 05:41:50,228 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 151 156) no Hoare annotation was computed. [2021-11-20 05:41:50,228 INFO L861 garLoopResultBuilder]: At program point L151-2(lines 151 156) the Hoare annotation is: true [2021-11-20 05:41:50,228 INFO L858 garLoopResultBuilder]: For program point L151-3(lines 151 156) no Hoare annotation was computed. [2021-11-20 05:41:50,229 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 123 173) no Hoare annotation was computed. [2021-11-20 05:41:50,229 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 163) no Hoare annotation was computed. [2021-11-20 05:41:50,229 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 149) no Hoare annotation was computed. [2021-11-20 05:41:50,229 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 123 173) no Hoare annotation was computed. [2021-11-20 05:41:50,229 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2021-11-20 05:41:50,230 INFO L861 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: true [2021-11-20 05:41:50,230 INFO L858 garLoopResultBuilder]: For program point L136-3(lines 136 140) no Hoare annotation was computed. [2021-11-20 05:41:50,230 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 144) no Hoare annotation was computed. [2021-11-20 05:41:50,230 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 123 173) the Hoare annotation is: true [2021-11-20 05:41:50,231 INFO L858 garLoopResultBuilder]: For program point L132-2(lines 123 173) no Hoare annotation was computed. [2021-11-20 05:41:50,231 INFO L861 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: true [2021-11-20 05:41:50,231 INFO L858 garLoopResultBuilder]: For program point L161-1(line 161) no Hoare annotation was computed. [2021-11-20 05:41:50,231 INFO L861 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: true [2021-11-20 05:41:50,232 INFO L858 garLoopResultBuilder]: For program point L149-1(line 149) no Hoare annotation was computed. [2021-11-20 05:41:50,232 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 134) no Hoare annotation was computed. [2021-11-20 05:41:50,232 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 166 171) no Hoare annotation was computed. [2021-11-20 05:41:50,232 INFO L861 garLoopResultBuilder]: At program point L166-2(lines 166 171) the Hoare annotation is: true [2021-11-20 05:41:50,232 INFO L858 garLoopResultBuilder]: For program point L166-3(lines 166 171) no Hoare annotation was computed. [2021-11-20 05:41:50,233 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-11-20 05:41:50,233 INFO L861 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: true [2021-11-20 05:41:50,233 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-11-20 05:41:50,233 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 158) no Hoare annotation was computed. [2021-11-20 05:41:50,233 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 143) no Hoare annotation was computed. [2021-11-20 05:41:50,234 INFO L861 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: true [2021-11-20 05:41:50,234 INFO L858 garLoopResultBuilder]: For program point L163-1(line 163) no Hoare annotation was computed. [2021-11-20 05:41:50,234 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 98 117) no Hoare annotation was computed. [2021-11-20 05:41:50,234 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 115) no Hoare annotation was computed. [2021-11-20 05:41:50,234 INFO L858 garLoopResultBuilder]: For program point L110-1(lines 98 117) no Hoare annotation was computed. [2021-11-20 05:41:50,235 INFO L858 garLoopResultBuilder]: For program point L110-2(lines 110 115) no Hoare annotation was computed. [2021-11-20 05:41:50,235 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 98 117) no Hoare annotation was computed. [2021-11-20 05:41:50,235 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 98 117) the Hoare annotation is: true [2021-11-20 05:41:50,235 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 100 104) no Hoare annotation was computed. [2021-11-20 05:41:50,236 INFO L861 garLoopResultBuilder]: At program point L100-2(lines 100 104) the Hoare annotation is: true [2021-11-20 05:41:50,236 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-11-20 05:41:50,236 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 98 117) no Hoare annotation was computed. [2021-11-20 05:41:50,236 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 577) no Hoare annotation was computed. [2021-11-20 05:41:50,236 INFO L858 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 548 582) no Hoare annotation was computed. [2021-11-20 05:41:50,237 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 559) no Hoare annotation was computed. [2021-11-20 05:41:50,237 INFO L858 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 548 582) no Hoare annotation was computed. [2021-11-20 05:41:50,237 INFO L861 garLoopResultBuilder]: At program point __kernel_cosENTRY(lines 548 582) the Hoare annotation is: true [2021-11-20 05:41:50,237 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 571 576) no Hoare annotation was computed. [2021-11-20 05:41:50,237 INFO L861 garLoopResultBuilder]: At program point L571-2(lines 571 576) the Hoare annotation is: true [2021-11-20 05:41:50,238 INFO L858 garLoopResultBuilder]: For program point L571-3(lines 568 577) no Hoare annotation was computed. [2021-11-20 05:41:50,238 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 581) no Hoare annotation was computed. [2021-11-20 05:41:50,238 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 560) no Hoare annotation was computed. [2021-11-20 05:41:50,238 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 560) no Hoare annotation was computed. [2021-11-20 05:41:50,238 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 551 555) no Hoare annotation was computed. [2021-11-20 05:41:50,238 INFO L861 garLoopResultBuilder]: At program point L551-2(lines 551 555) the Hoare annotation is: true [2021-11-20 05:41:50,238 INFO L858 garLoopResultBuilder]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L333(line 333) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L854 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: false [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L631-1(line 631) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2021-11-20 05:41:50,239 INFO L858 garLoopResultBuilder]: For program point L632(line 632) no Hoare annotation was computed. [2021-11-20 05:41:50,240 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 503) no Hoare annotation was computed. [2021-11-20 05:41:50,240 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2021-11-20 05:41:50,240 INFO L854 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2021-11-20 05:41:50,240 INFO L858 garLoopResultBuilder]: For program point L335-4(lines 332 372) no Hoare annotation was computed. [2021-11-20 05:41:50,240 INFO L854 garLoopResultBuilder]: At program point L633(line 633) the Hoare annotation is: false [2021-11-20 05:41:50,240 INFO L858 garLoopResultBuilder]: For program point L633-1(line 633) no Hoare annotation was computed. [2021-11-20 05:41:50,240 INFO L858 garLoopResultBuilder]: For program point L270(line 270) no Hoare annotation was computed. [2021-11-20 05:41:50,240 INFO L858 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2021-11-20 05:41:50,240 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-11-20 05:41:50,240 INFO L858 garLoopResultBuilder]: For program point L634(line 634) no Hoare annotation was computed. [2021-11-20 05:41:50,241 INFO L858 garLoopResultBuilder]: For program point L337-1(line 337) no Hoare annotation was computed. [2021-11-20 05:41:50,241 INFO L858 garLoopResultBuilder]: For program point L304-1(lines 304 307) no Hoare annotation was computed. [2021-11-20 05:41:50,241 INFO L854 garLoopResultBuilder]: At program point L304-3(lines 304 307) the Hoare annotation is: false [2021-11-20 05:41:50,241 INFO L854 garLoopResultBuilder]: At program point L635(line 635) the Hoare annotation is: false [2021-11-20 05:41:50,241 INFO L858 garLoopResultBuilder]: For program point L635-1(line 635) no Hoare annotation was computed. [2021-11-20 05:41:50,241 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 489) no Hoare annotation was computed. [2021-11-20 05:41:50,241 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 458 490) no Hoare annotation was computed. [2021-11-20 05:41:50,241 INFO L858 garLoopResultBuilder]: For program point L636(line 636) no Hoare annotation was computed. [2021-11-20 05:41:50,241 INFO L854 garLoopResultBuilder]: At program point L537(lines 409 538) the Hoare annotation is: false [2021-11-20 05:41:50,241 INFO L858 garLoopResultBuilder]: For program point L339(line 339) no Hoare annotation was computed. [2021-11-20 05:41:50,242 INFO L858 garLoopResultBuilder]: For program point L339-2(line 339) no Hoare annotation was computed. [2021-11-20 05:41:50,242 INFO L854 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: false [2021-11-20 05:41:50,242 INFO L858 garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed. [2021-11-20 05:41:50,242 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 505 509) no Hoare annotation was computed. [2021-11-20 05:41:50,242 INFO L854 garLoopResultBuilder]: At program point L505-2(lines 505 509) the Hoare annotation is: false [2021-11-20 05:41:50,242 INFO L854 garLoopResultBuilder]: At program point L373(lines 203 374) the Hoare annotation is: false [2021-11-20 05:41:50,242 INFO L858 garLoopResultBuilder]: For program point L340(line 340) no Hoare annotation was computed. [2021-11-20 05:41:50,242 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 250) no Hoare annotation was computed. [2021-11-20 05:41:50,242 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2021-11-20 05:41:50,242 INFO L854 garLoopResultBuilder]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2021-11-20 05:41:50,243 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 448) no Hoare annotation was computed. [2021-11-20 05:41:50,243 INFO L858 garLoopResultBuilder]: For program point L441-2(lines 441 448) no Hoare annotation was computed. [2021-11-20 05:41:50,243 INFO L854 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: false [2021-11-20 05:41:50,243 INFO L858 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2021-11-20 05:41:50,243 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 343) no Hoare annotation was computed. [2021-11-20 05:41:50,243 INFO L854 garLoopResultBuilder]: At program point L342-3(lines 342 343) the Hoare annotation is: false [2021-11-20 05:41:50,243 INFO L858 garLoopResultBuilder]: For program point L342-4(lines 332 372) no Hoare annotation was computed. [2021-11-20 05:41:50,243 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2021-11-20 05:41:50,243 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 24 85) no Hoare annotation was computed. [2021-11-20 05:41:50,243 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2021-11-20 05:41:50,244 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2021-11-20 05:41:50,244 INFO L858 garLoopResultBuilder]: For program point L277(lines 277 278) no Hoare annotation was computed. [2021-11-20 05:41:50,244 INFO L854 garLoopResultBuilder]: At program point L310-2(lines 301 318) the Hoare annotation is: false [2021-11-20 05:41:50,244 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-11-20 05:41:50,244 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 476 480) no Hoare annotation was computed. [2021-11-20 05:41:50,244 INFO L854 garLoopResultBuilder]: At program point L476-2(lines 476 480) the Hoare annotation is: false [2021-11-20 05:41:50,244 INFO L858 garLoopResultBuilder]: For program point L476-3(lines 476 480) no Hoare annotation was computed. [2021-11-20 05:41:50,244 INFO L858 garLoopResultBuilder]: For program point L344-1(line 344) no Hoare annotation was computed. [2021-11-20 05:41:50,244 INFO L854 garLoopResultBuilder]: At program point L278(line 278) the Hoare annotation is: false [2021-11-20 05:41:50,244 INFO L858 garLoopResultBuilder]: For program point L278-1(line 278) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 515) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L510-1(lines 409 538) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L510-2(lines 510 515) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 214) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 214) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L346-2(lines 346 347) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 250) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L854 garLoopResultBuilder]: At program point L346-3(lines 346 347) the Hoare annotation is: false [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L346-4(lines 332 372) no Hoare annotation was computed. [2021-11-20 05:41:50,245 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 186) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 174 188) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L858 garLoopResultBuilder]: For program point L181-2(lines 181 186) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L858 garLoopResultBuilder]: For program point L348-1(line 348) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 250) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L858 garLoopResultBuilder]: For program point L282-1(lines 204 374) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L858 garLoopResultBuilder]: For program point L249-2(lines 204 374) no Hoare annotation was computed. [2021-11-20 05:41:50,246 INFO L854 garLoopResultBuilder]: At program point L84(lines 24 85) the Hoare annotation is: false [2021-11-20 05:41:50,246 INFO L854 garLoopResultBuilder]: At program point L614(lines 614 640) the Hoare annotation is: (and (= (_ +zero 11 53) |ULTIMATE.start_sin_double_~x#1|) (= |ULTIMATE.start_sin_double_#res#1| (_ +zero 11 53))) [2021-11-20 05:41:50,247 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 488) no Hoare annotation was computed. [2021-11-20 05:41:50,247 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 416 420) no Hoare annotation was computed. [2021-11-20 05:41:50,247 INFO L854 garLoopResultBuilder]: At program point L416-2(lines 416 420) the Hoare annotation is: false [2021-11-20 05:41:50,247 INFO L858 garLoopResultBuilder]: For program point L350(line 350) no Hoare annotation was computed. [2021-11-20 05:41:50,247 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 05:41:50,247 INFO L858 garLoopResultBuilder]: For program point L416-3(lines 416 420) no Hoare annotation was computed. [2021-11-20 05:41:50,247 INFO L858 garLoopResultBuilder]: For program point L284-2(lines 284 285) no Hoare annotation was computed. [2021-11-20 05:41:50,247 INFO L854 garLoopResultBuilder]: At program point L284-3(lines 284 285) the Hoare annotation is: false [2021-11-20 05:41:50,247 INFO L858 garLoopResultBuilder]: For program point L284-4(lines 282 299) no Hoare annotation was computed. [2021-11-20 05:41:50,247 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2021-11-20 05:41:50,248 INFO L858 garLoopResultBuilder]: For program point L252(lines 204 374) no Hoare annotation was computed. [2021-11-20 05:41:50,248 INFO L854 garLoopResultBuilder]: At program point L351-3(lines 351 355) the Hoare annotation is: false [2021-11-20 05:41:50,248 INFO L858 garLoopResultBuilder]: For program point L351-4(lines 351 355) no Hoare annotation was computed. [2021-11-20 05:41:50,248 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 219 220) no Hoare annotation was computed. [2021-11-20 05:41:50,248 INFO L854 garLoopResultBuilder]: At program point L219-3(lines 219 220) the Hoare annotation is: false [2021-11-20 05:41:50,248 INFO L858 garLoopResultBuilder]: For program point L219-4(lines 219 220) no Hoare annotation was computed. [2021-11-20 05:41:50,248 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 517 522) no Hoare annotation was computed. [2021-11-20 05:41:50,248 INFO L854 garLoopResultBuilder]: At program point L517-2(lines 517 522) the Hoare annotation is: false [2021-11-20 05:41:50,248 INFO L858 garLoopResultBuilder]: For program point L517-3(lines 517 522) no Hoare annotation was computed. [2021-11-20 05:41:50,248 INFO L858 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L854 garLoopResultBuilder]: At program point L187(lines 174 188) the Hoare annotation is: false [2021-11-20 05:41:50,249 INFO L858 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L858 garLoopResultBuilder]: For program point L617-1(lines 617 621) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L854 garLoopResultBuilder]: At program point L617-2(lines 617 621) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start_sin_double_~x#1|) [2021-11-20 05:41:50,249 INFO L858 garLoopResultBuilder]: For program point L617-3(lines 617 621) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 498) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L858 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L858 garLoopResultBuilder]: For program point L287-1(lines 287 288) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L858 garLoopResultBuilder]: For program point L287-3(lines 287 288) no Hoare annotation was computed. [2021-11-20 05:41:50,249 INFO L854 garLoopResultBuilder]: At program point L287-4(lines 287 288) the Hoare annotation is: false [2021-11-20 05:41:50,250 INFO L858 garLoopResultBuilder]: For program point L287-5(lines 287 288) no Hoare annotation was computed. [2021-11-20 05:41:50,250 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2021-11-20 05:41:50,250 INFO L858 garLoopResultBuilder]: For program point L321-2(lines 321 324) no Hoare annotation was computed. [2021-11-20 05:41:50,250 INFO L854 garLoopResultBuilder]: At program point L321-3(lines 321 324) the Hoare annotation is: false [2021-11-20 05:41:50,250 INFO L858 garLoopResultBuilder]: For program point L255-2(lines 255 264) no Hoare annotation was computed. [2021-11-20 05:41:50,250 INFO L858 garLoopResultBuilder]: For program point L321-4(lines 321 324) no Hoare annotation was computed. [2021-11-20 05:41:50,250 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2021-11-20 05:41:50,250 INFO L854 garLoopResultBuilder]: At program point L255-3(lines 255 264) the Hoare annotation is: false [2021-11-20 05:41:50,250 INFO L854 garLoopResultBuilder]: At program point L222-3(lines 222 226) the Hoare annotation is: false [2021-11-20 05:41:50,250 INFO L858 garLoopResultBuilder]: For program point L255-4(lines 252 280) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 222 226) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L854 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short138#1| (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start_sin_double_~x#1|) (= |ULTIMATE.start_sin_double_#res#1| (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|)) [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 223 224) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L854 garLoopResultBuilder]: At program point L223-3(lines 223 224) the Hoare annotation is: false [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point L223-4(lines 223 224) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2021-11-20 05:41:50,251 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 263) no Hoare annotation was computed. [2021-11-20 05:41:50,252 INFO L854 garLoopResultBuilder]: At program point L356-3(lines 356 360) the Hoare annotation is: false [2021-11-20 05:41:50,252 INFO L858 garLoopResultBuilder]: For program point L290-2(lines 290 295) no Hoare annotation was computed. [2021-11-20 05:41:50,252 INFO L858 garLoopResultBuilder]: For program point L356-4(lines 356 360) no Hoare annotation was computed. [2021-11-20 05:41:50,252 INFO L854 garLoopResultBuilder]: At program point L290-3(lines 290 295) the Hoare annotation is: false [2021-11-20 05:41:50,252 INFO L858 garLoopResultBuilder]: For program point L290-4(lines 290 295) no Hoare annotation was computed. [2021-11-20 05:41:50,252 INFO L858 garLoopResultBuilder]: For program point L654(line 654) no Hoare annotation was computed. [2021-11-20 05:41:50,252 INFO L858 garLoopResultBuilder]: For program point L654-2(lines 654 657) no Hoare annotation was computed. [2021-11-20 05:41:50,252 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 261) no Hoare annotation was computed. [2021-11-20 05:41:50,252 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-11-20 05:41:50,252 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2021-11-20 05:41:50,258 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2021-11-20 05:41:50,258 INFO L858 garLoopResultBuilder]: For program point L655(line 655) no Hoare annotation was computed. [2021-11-20 05:41:50,258 INFO L858 garLoopResultBuilder]: For program point L523-2(lines 523 526) no Hoare annotation was computed. [2021-11-20 05:41:50,258 INFO L854 garLoopResultBuilder]: At program point L523-3(lines 523 526) the Hoare annotation is: false [2021-11-20 05:41:50,258 INFO L858 garLoopResultBuilder]: For program point L523-4(lines 523 526) no Hoare annotation was computed. [2021-11-20 05:41:50,258 INFO L858 garLoopResultBuilder]: For program point L292-2(lines 292 293) no Hoare annotation was computed. [2021-11-20 05:41:50,258 INFO L854 garLoopResultBuilder]: At program point L292-3(lines 292 293) the Hoare annotation is: false [2021-11-20 05:41:50,258 INFO L858 garLoopResultBuilder]: For program point L292-4(lines 292 293) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 639) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L458-2(lines 458 490) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L854 garLoopResultBuilder]: At program point L326-3(lines 326 330) the Hoare annotation is: false [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L326-4(lines 326 330) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L854 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start_sin_double_~x#1|) [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 497) no Hoare annotation was computed. [2021-11-20 05:41:50,259 INFO L858 garLoopResultBuilder]: For program point L327-2(lines 327 328) no Hoare annotation was computed. [2021-11-20 05:41:50,260 INFO L854 garLoopResultBuilder]: At program point L327-3(lines 327 328) the Hoare annotation is: false [2021-11-20 05:41:50,260 INFO L858 garLoopResultBuilder]: For program point L327-4(lines 327 328) no Hoare annotation was computed. [2021-11-20 05:41:50,260 INFO L854 garLoopResultBuilder]: At program point L96(lines 87 97) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short138#1| (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|) (= (_ +zero 11 53) |ULTIMATE.start_sin_double_~x#1|)) [2021-11-20 05:41:50,260 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 639) no Hoare annotation was computed. [2021-11-20 05:41:50,260 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 451) no Hoare annotation was computed. [2021-11-20 05:41:50,260 INFO L858 garLoopResultBuilder]: For program point L361-2(lines 361 362) no Hoare annotation was computed. [2021-11-20 05:41:50,260 INFO L854 garLoopResultBuilder]: At program point L361-3(lines 361 362) the Hoare annotation is: false [2021-11-20 05:41:50,260 INFO L858 garLoopResultBuilder]: For program point L361-4(lines 332 372) no Hoare annotation was computed. [2021-11-20 05:41:50,260 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2021-11-20 05:41:50,260 INFO L861 garLoopResultBuilder]: At program point L659(lines 642 660) the Hoare annotation is: true [2021-11-20 05:41:50,260 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 450) no Hoare annotation was computed. [2021-11-20 05:41:50,261 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2021-11-20 05:41:50,261 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2021-11-20 05:41:50,261 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 05:41:50,261 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 655) no Hoare annotation was computed. [2021-11-20 05:41:50,261 INFO L854 garLoopResultBuilder]: At program point L297(lines 204 374) the Hoare annotation is: false [2021-11-20 05:41:50,261 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 231 235) no Hoare annotation was computed. [2021-11-20 05:41:50,261 INFO L854 garLoopResultBuilder]: At program point L231-3(lines 231 235) the Hoare annotation is: false [2021-11-20 05:41:50,261 INFO L854 garLoopResultBuilder]: At program point L231-4(lines 231 235) the Hoare annotation is: false [2021-11-20 05:41:50,261 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-11-20 05:41:50,262 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 529 530) no Hoare annotation was computed. [2021-11-20 05:41:50,263 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 437) no Hoare annotation was computed. [2021-11-20 05:41:50,263 INFO L854 garLoopResultBuilder]: At program point L529-3(lines 529 530) the Hoare annotation is: false [2021-11-20 05:41:50,263 INFO L858 garLoopResultBuilder]: For program point L529-4(lines 529 530) no Hoare annotation was computed. [2021-11-20 05:41:50,263 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 437) no Hoare annotation was computed. [2021-11-20 05:41:50,263 INFO L858 garLoopResultBuilder]: For program point L265-1(lines 252 280) no Hoare annotation was computed. [2021-11-20 05:41:50,263 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2021-11-20 05:41:50,263 INFO L858 garLoopResultBuilder]: For program point L629(lines 629 638) no Hoare annotation was computed. [2021-11-20 05:41:50,263 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2021-11-20 05:41:50,264 INFO L854 garLoopResultBuilder]: At program point L464-2(lines 464 468) the Hoare annotation is: false [2021-11-20 05:41:50,264 INFO L858 garLoopResultBuilder]: For program point L464-3(lines 464 468) no Hoare annotation was computed. [2021-11-20 05:41:50,264 INFO L854 garLoopResultBuilder]: At program point L332(lines 332 372) the Hoare annotation is: false [2021-11-20 05:41:50,264 INFO L854 garLoopResultBuilder]: At program point L266(lines 266 273) the Hoare annotation is: false [2021-11-20 05:41:50,264 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2021-11-20 05:41:50,265 INFO L861 garLoopResultBuilder]: At program point __kernel_sinENTRY(lines 592 612) the Hoare annotation is: true [2021-11-20 05:41:50,265 INFO L858 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 592 612) no Hoare annotation was computed. [2021-11-20 05:41:50,265 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 604) no Hoare annotation was computed. [2021-11-20 05:41:50,265 INFO L858 garLoopResultBuilder]: For program point L601-2(lines 601 604) no Hoare annotation was computed. [2021-11-20 05:41:50,265 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 595 599) no Hoare annotation was computed. [2021-11-20 05:41:50,267 INFO L854 garLoopResultBuilder]: At program point L595-2(lines 595 599) the Hoare annotation is: (= __kernel_sin_~x |__kernel_sin_#in~x|) [2021-11-20 05:41:50,267 INFO L858 garLoopResultBuilder]: For program point L595-3(lines 595 599) no Hoare annotation was computed. [2021-11-20 05:41:50,267 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 611) no Hoare annotation was computed. [2021-11-20 05:41:50,267 INFO L858 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 592 612) no Hoare annotation was computed. [2021-11-20 05:41:50,267 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 603) no Hoare annotation was computed. [2021-11-20 05:41:50,270 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-20 05:41:50,271 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:41:50,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:41:50 BoogieIcfgContainer [2021-11-20 05:41:50,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:41:50,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:41:50,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:41:50,299 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:41:50,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:40:26" (3/4) ... [2021-11-20 05:41:50,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 05:41:50,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-11-20 05:41:50,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-20 05:41:50,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2021-11-20 05:41:50,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2021-11-20 05:41:50,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-11-20 05:41:50,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-20 05:41:50,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-20 05:41:50,349 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 05:41:50,384 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2021-11-20 05:41:50,384 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE() [2021-11-20 05:41:50,385 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == 0.0 && __signbit_double(res) == 0-aux && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x [2021-11-20 05:41:50,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == 0.0 && __signbit_double(res) == 0-aux && 0bv32 == \result) && ~Pluszero~LONGDOUBLE() == x [2021-11-20 05:41:50,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 05:41:50,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:41:50,529 INFO L158 Benchmark]: Toolchain (without parser) took 134810.90ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 39.5MB in the beginning and 48.4MB in the end (delta: -8.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-11-20 05:41:50,529 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:41:50,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.95ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 26.9MB in the end (delta: 12.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-20 05:41:50,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.79ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 26.9MB in the beginning and 63.4MB in the end (delta: -36.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-20 05:41:50,530 INFO L158 Benchmark]: Boogie Preprocessor took 187.91ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 56.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 05:41:50,531 INFO L158 Benchmark]: RCFGBuilder took 49236.79ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 39.4MB in the end (delta: 16.9MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2021-11-20 05:41:50,531 INFO L158 Benchmark]: TraceAbstraction took 84185.43ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 42.0MB in the end (delta: -3.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-20 05:41:50,532 INFO L158 Benchmark]: Witness Printer took 229.44ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 48.4MB in the end (delta: -6.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-20 05:41:50,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.95ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 26.9MB in the end (delta: 12.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.79ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 26.9MB in the beginning and 63.4MB in the end (delta: -36.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 187.91ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 56.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 49236.79ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 39.4MB in the end (delta: 16.9MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * TraceAbstraction took 84185.43ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 42.0MB in the end (delta: -3.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 229.44ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 48.4MB in the end (delta: -6.4MB). Peak memory consumption was 19.9MB. 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 - PositiveResult [Line: 655]: 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, 261 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 36.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 30.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 1007 SdHoareTripleChecker+Invalid, 29.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 79 IncrementalHoareTripleChecker+Unchecked, 532 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 475 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 153 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 19.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=261occurred in iteration=0, InterpolantAutomatonStates: 42, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 149 PreInvPairs, 156 NumberOfFragments, 96 HoareAnnotationTreeSize, 149 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 64 FomulaSimplificationsInter, 27 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 37.9s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 204 ConstructedInterpolants, 42 QuantifiedInterpolants, 1358 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1431 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (aux-res == 0.0 && __signbit_double(res) == 0-aux && 0bv32 == \result) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: 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: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: (((aux-res == 0.0 && __signbit_double(res) == 0-aux && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-20 05:41:50,774 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 05:41:50,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb1c5f-e1cb-4144-a2f7-8d8152a57143/bin/uautomizer-DQz5hQGWxF/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