./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G --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 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:42:43,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:42:43,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:42:43,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:42:43,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:42:43,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:42:43,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:42:43,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:42:43,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:42:43,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:42:43,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:42:43,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:42:43,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:42:43,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:42:43,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:42:43,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:42:43,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:42:43,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:42:43,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:42:43,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:42:43,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:42:43,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:42:43,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:42:43,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:42:43,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:42:43,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:42:43,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:42:43,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:42:43,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:42:43,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:42:43,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:42:43,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:42:43,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:42:43,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:42:43,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:42:43,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:42:43,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:42:43,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:42:43,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:42:43,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:42:43,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:42:43,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 12:42:44,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:42:44,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:42:44,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:42:44,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:42:44,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:42:44,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:42:44,034 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:42:44,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:42:44,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:42:44,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:42:44,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:42:44,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:42:44,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:42:44,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:42:44,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:42:44,036 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:42:44,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:42:44,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:42:44,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:42:44,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:42:44,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:42:44,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:42:44,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:42:44,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:42:44,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:42:44,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:42:44,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:42:44,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:42:44,039 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:42:44,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:42:44,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:42:44,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:42:44,041 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_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b [2021-11-23 12:42:44,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:42:44,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:42:44,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:42:44,353 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:42:44,354 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:42:44,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2021-11-23 12:42:44,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data/23adf130e/cc2521f5cf304c6994b633e3fa33188f/FLAG3dd5b0dbc [2021-11-23 12:42:44,957 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:42:44,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2021-11-23 12:42:44,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data/23adf130e/cc2521f5cf304c6994b633e3fa33188f/FLAG3dd5b0dbc [2021-11-23 12:42:45,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data/23adf130e/cc2521f5cf304c6994b633e3fa33188f [2021-11-23 12:42:45,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:42:45,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:42:45,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:42:45,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:42:45,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:42:45,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ae029b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45, skipping insertion in model container [2021-11-23 12:42:45,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:42:45,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:42:45,592 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_6ef626a1-ccbb-405a-8780-56f551b65ad0/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c[5753,5766] [2021-11-23 12:42:45,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:42:45,604 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:42:45,654 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_6ef626a1-ccbb-405a-8780-56f551b65ad0/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c[5753,5766] [2021-11-23 12:42:45,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:42:45,678 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:42:45,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45 WrapperNode [2021-11-23 12:42:45,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:42:45,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:42:45,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:42:45,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:42:45,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,758 INFO L137 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 400 [2021-11-23 12:42:45,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:42:45,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:42:45,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:42:45,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:42:45,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:42:45,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:42:45,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:42:45,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:42:45,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (1/1) ... [2021-11-23 12:42:45,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:42:45,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:42:45,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:42:45,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:42:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:42:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:42:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:42:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 12:42:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:42:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 12:42:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:42:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:42:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 12:42:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:42:46,041 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:42:46,043 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:42:46,505 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:42:46,513 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:42:46,513 INFO L301 CfgBuilder]: Removed 22 assume(true) statements. [2021-11-23 12:42:46,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:46 BoogieIcfgContainer [2021-11-23 12:42:46,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:42:46,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:42:46,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:42:46,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:42:46,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:42:45" (1/3) ... [2021-11-23 12:42:46,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402e234c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:42:46, skipping insertion in model container [2021-11-23 12:42:46,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:45" (2/3) ... [2021-11-23 12:42:46,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402e234c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:42:46, skipping insertion in model container [2021-11-23 12:42:46,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:46" (3/3) ... [2021-11-23 12:42:46,530 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b.c [2021-11-23 12:42:46,535 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:42:46,536 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 12:42:46,604 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:42:46,614 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 [2021-11-23 12:42:46,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 12:42:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 103 states have internal predecessors, (172), 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) [2021-11-23 12:42:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 12:42:46,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:42:46,655 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:42:46,655 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:42:46,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:46,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2021-11-23 12:42:46,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:46,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949784737] [2021-11-23 12:42:46,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:46,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:42:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:42:46,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:42:46,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949784737] [2021-11-23 12:42:46,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949784737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:42:46,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:42:46,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:42:46,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682464423] [2021-11-23 12:42:46,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:42:46,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 12:42:46,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:42:46,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 12:42:46,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:42:46,886 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 103 states have internal predecessors, (172), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:42:46,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:42:46,938 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2021-11-23 12:42:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 12:42:46,945 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 12:42:46,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:42:46,957 INFO L225 Difference]: With dead ends: 206 [2021-11-23 12:42:46,957 INFO L226 Difference]: Without dead ends: 101 [2021-11-23 12:42:46,962 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 [2021-11-23 12:42:46,966 INFO L933 BasicCegarLoop]: 149 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, 149 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 [2021-11-23 12:42:46,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:42:46,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-23 12:42:47,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-23 12:42:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.46) internal successors, (146), 100 states have internal predecessors, (146), 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) [2021-11-23 12:42:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2021-11-23 12:42:47,023 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2021-11-23 12:42:47,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:42:47,024 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2021-11-23 12:42:47,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:42:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2021-11-23 12:42:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 12:42:47,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:42:47,026 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:42:47,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 12:42:47,027 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:42:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2021-11-23 12:42:47,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:47,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062634727] [2021-11-23 12:42:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:47,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:42:47,108 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:42:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:42:47,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:42:47,162 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 12:42:47,164 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 12:42:47,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 12:42:47,172 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 12:42:47,178 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 12:42:47,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:42:47 BoogieIcfgContainer [2021-11-23 12:42:47,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 12:42:47,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:42:47,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:42:47,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:42:47,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:46" (3/4) ... [2021-11-23 12:42:47,244 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 12:42:47,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:42:47,247 INFO L158 Benchmark]: Toolchain (without parser) took 1950.64ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 49.4MB in the beginning and 53.8MB in the end (delta: -4.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-23 12:42:47,248 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 62.7MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:42:47,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.39ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 49.3MB in the beginning and 86.4MB in the end (delta: -37.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 12:42:47,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.85ms. Allocated memory is still 115.3MB. Free memory was 86.4MB in the beginning and 83.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 12:42:47,256 INFO L158 Benchmark]: Boogie Preprocessor took 96.35ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 80.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:42:47,256 INFO L158 Benchmark]: RCFGBuilder took 659.13ms. Allocated memory is still 115.3MB. Free memory was 80.3MB in the beginning and 81.8MB in the end (delta: -1.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-23 12:42:47,257 INFO L158 Benchmark]: TraceAbstraction took 722.69ms. Allocated memory is still 115.3MB. Free memory was 81.1MB in the beginning and 53.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 12:42:47,257 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 115.3MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:42:47,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 62.7MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.39ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 49.3MB in the beginning and 86.4MB in the end (delta: -37.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.85ms. Allocated memory is still 115.3MB. Free memory was 86.4MB in the beginning and 83.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.35ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 80.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 659.13ms. Allocated memory is still 115.3MB. Free memory was 80.3MB in the beginning and 81.8MB in the end (delta: -1.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 722.69ms. Allocated memory is still 115.3MB. Free memory was 81.1MB in the beginning and 53.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 115.3MB. Free memory is still 53.8MB. 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: 230]: 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 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 174, overapproximation of bitwiseAnd at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L133-L146] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L225] double x = -1.0 / 0.0; [L226] CALL, EXPR __ieee754_acos(x) [L149] double z, p, q, r, w, s, c, df; [L150] __int32_t hx, ix; VAL [\old(x)=49, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=49] [L152] ieee_double_shape_type gh_u; [L153] gh_u.value = (x) [L154] EXPR gh_u.parts.msw [L154] (hx) = gh_u.parts.msw [L156] ix = hx & 0x7fffffff VAL [\old(x)=49, hx=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=49] [L157] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=49, hx=0, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=49] [L172] COND TRUE ix < 0x3fe00000 VAL [\old(x)=49, hx=0, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=49] [L173] COND TRUE ix <= 0x3c600000 [L174] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=49, hx=0, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=49] [L226] RET, EXPR __ieee754_acos(x) [L226] double res = __ieee754_acos(x); [L229] CALL, EXPR isnan_double(res) [L19] return x != x; VAL [\old(x)=51, \result=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=51] [L229] RET, EXPR isnan_double(res) [L229] COND TRUE !isnan_double(res) [L230] reach_error() VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=51, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 149 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, 149 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=104occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-11-23 12:42:47,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/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_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G --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 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:42:49,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:42:49,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:42:49,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:42:49,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:42:49,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:42:49,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:42:49,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:42:49,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:42:49,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:42:49,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:42:49,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:42:49,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:42:49,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:42:49,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:42:49,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:42:49,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:42:49,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:42:49,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:42:49,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:42:49,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:42:49,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:42:49,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:42:49,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:42:49,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:42:49,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:42:49,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:42:49,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:42:49,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:42:49,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:42:49,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:42:49,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:42:49,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:42:49,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:42:49,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:42:49,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:42:49,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:42:49,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:42:49,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:42:49,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:42:49,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:42:49,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-23 12:42:49,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:42:49,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:42:49,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:42:49,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:42:49,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:42:49,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:42:49,824 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:42:49,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:42:49,825 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:42:49,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:42:49,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:42:49,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:42:49,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:42:49,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:42:49,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 12:42:49,827 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 12:42:49,828 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 12:42:49,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:42:49,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:42:49,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:42:49,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:42:49,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:42:49,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:42:49,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:42:49,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:42:49,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:42:49,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:42:49,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:42:49,830 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 12:42:49,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 12:42:49,831 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:42:49,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:42:49,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:42:49,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:42:49,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 12:42:49,832 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_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b [2021-11-23 12:42:50,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:42:50,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:42:50,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:42:50,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:42:50,228 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:42:50,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2021-11-23 12:42:50,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data/08f89f5f0/c411ccaefaad4912b95ebf30a04f80fe/FLAGa813caf4f [2021-11-23 12:42:50,889 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:42:50,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2021-11-23 12:42:50,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data/08f89f5f0/c411ccaefaad4912b95ebf30a04f80fe/FLAGa813caf4f [2021-11-23 12:42:51,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/data/08f89f5f0/c411ccaefaad4912b95ebf30a04f80fe [2021-11-23 12:42:51,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:42:51,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:42:51,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:42:51,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:42:51,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:42:51,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b23b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51, skipping insertion in model container [2021-11-23 12:42:51,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:42:51,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:42:51,532 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_6ef626a1-ccbb-405a-8780-56f551b65ad0/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c[5753,5766] [2021-11-23 12:42:51,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:42:51,556 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:42:51,603 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_6ef626a1-ccbb-405a-8780-56f551b65ad0/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c[5753,5766] [2021-11-23 12:42:51,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:42:51,621 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:42:51,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51 WrapperNode [2021-11-23 12:42:51,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:42:51,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:42:51,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:42:51,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:42:51,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,676 INFO L137 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 400 [2021-11-23 12:42:51,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:42:51,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:42:51,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:42:51,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:42:51,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:42:51,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:42:51,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:42:51,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:42:51,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (1/1) ... [2021-11-23 12:42:51,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:42:51,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:42:51,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:42:51,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:42:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:42:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 12:42:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-23 12:42:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 12:42:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:42:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 12:42:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:42:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:42:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 12:42:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:42:51,967 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:42:51,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:43:10,686 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:43:10,694 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:43:10,694 INFO L301 CfgBuilder]: Removed 22 assume(true) statements. [2021-11-23 12:43:10,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:10 BoogieIcfgContainer [2021-11-23 12:43:10,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:43:10,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:43:10,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:43:10,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:43:10,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:42:51" (1/3) ... [2021-11-23 12:43:10,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf93269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:43:10, skipping insertion in model container [2021-11-23 12:43:10,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:51" (2/3) ... [2021-11-23 12:43:10,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf93269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:43:10, skipping insertion in model container [2021-11-23 12:43:10,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:10" (3/3) ... [2021-11-23 12:43:10,707 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b.c [2021-11-23 12:43:10,713 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:43:10,713 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 12:43:10,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:43:10,779 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 [2021-11-23 12:43:10,779 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 12:43:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 103 states have internal predecessors, (172), 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) [2021-11-23 12:43:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 12:43:10,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:10,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:10,805 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:43:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:10,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2021-11-23 12:43:10,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:43:10,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905618237] [2021-11-23 12:43:10,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:10,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:43:10,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:43:10,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:43:10,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 12:43:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:11,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 12:43:11,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:43:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:12,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:43:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:12,325 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:43:12,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905618237] [2021-11-23 12:43:12,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [905618237] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:12,326 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:12,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 12:43:12,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163797789] [2021-11-23 12:43:12,330 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:12,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 12:43:12,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:43:12,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 12:43:12,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:43:12,367 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.6862745098039216) internal successors, (172), 103 states have internal predecessors, (172), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:43:12,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:12,396 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2021-11-23 12:43:12,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 12:43:12,398 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 12:43:12,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:12,409 INFO L225 Difference]: With dead ends: 206 [2021-11-23 12:43:12,410 INFO L226 Difference]: Without dead ends: 101 [2021-11-23 12:43:12,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:43:12,416 INFO L933 BasicCegarLoop]: 149 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, 149 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 [2021-11-23 12:43:12,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:43:12,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-23 12:43:12,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-23 12:43:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.46) internal successors, (146), 100 states have internal predecessors, (146), 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) [2021-11-23 12:43:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2021-11-23 12:43:12,459 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2021-11-23 12:43:12,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:43:12,459 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2021-11-23 12:43:12,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:43:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2021-11-23 12:43:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 12:43:12,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:12,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:12,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:12,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:43:12,677 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:43:12,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:12,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2021-11-23 12:43:12,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:43:12,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113008246] [2021-11-23 12:43:12,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:12,680 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:43:12,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:43:12,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:43:12,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 12:43:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:12,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 12:43:12,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:43:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:14,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:43:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:16,267 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:43:16,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113008246] [2021-11-23 12:43:16,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113008246] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:16,268 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:16,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 12:43:16,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406098865] [2021-11-23 12:43:16,268 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:16,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 12:43:16,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:43:16,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 12:43:16,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 12:43:16,272 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-11-23 12:43:17,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 12:43:17,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:17,854 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-11-23 12:43:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:43:17,875 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 12 [2021-11-23 12:43:17,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:17,876 INFO L225 Difference]: With dead ends: 106 [2021-11-23 12:43:17,876 INFO L226 Difference]: Without dead ends: 15 [2021-11-23 12:43:17,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 12:43:17,879 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 12:43:17,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 8 Unchecked, 1.6s Time] [2021-11-23 12:43:17,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-23 12:43:17,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-23 12:43:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 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) [2021-11-23 12:43:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-11-23 12:43:17,884 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2021-11-23 12:43:17,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:43:17,885 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-11-23 12:43:17,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-11-23 12:43:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-11-23 12:43:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 12:43:17,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:17,887 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:17,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-23 12:43:18,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:43:18,089 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:43:18,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1300627107, now seen corresponding path program 1 times [2021-11-23 12:43:18,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:43:18,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442656506] [2021-11-23 12:43:18,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:18,091 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:43:18,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:43:18,092 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:43:18,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 12:43:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:18,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 12:43:18,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:43:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:21,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:43:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:23,387 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:43:23,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442656506] [2021-11-23 12:43:23,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442656506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:23,387 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:23,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2021-11-23 12:43:23,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822646149] [2021-11-23 12:43:23,388 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:23,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 12:43:23,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:43:23,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 12:43:23,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-23 12:43:23,390 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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) [2021-11-23 12:43:26,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 12:43:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:28,332 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-11-23 12:43:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 12:43:28,333 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-23 12:43:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:28,334 INFO L225 Difference]: With dead ends: 20 [2021-11-23 12:43:28,334 INFO L226 Difference]: Without dead ends: 15 [2021-11-23 12:43:28,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-11-23 12:43:28,337 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 20 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 12:43:28,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 52 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 12:43:28,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-23 12:43:28,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-23 12:43:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:43:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-11-23 12:43:28,342 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2021-11-23 12:43:28,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:43:28,342 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-11-23 12:43:28,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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) [2021-11-23 12:43:28,343 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-11-23 12:43:28,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 12:43:28,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:28,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:28,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-23 12:43:28,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:43:28,553 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 12:43:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:28,555 INFO L85 PathProgramCache]: Analyzing trace with hash 2062205172, now seen corresponding path program 1 times [2021-11-23 12:43:28,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:43:28,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353134814] [2021-11-23 12:43:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:28,556 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:43:28,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:43:28,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:43:28,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 12:43:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:28,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 12:43:28,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:43:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:30,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:43:32,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:32,259 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:43:32,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353134814] [2021-11-23 12:43:32,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353134814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:32,259 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:32,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 12:43:32,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877132568] [2021-11-23 12:43:32,260 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:32,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 12:43:32,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:43:32,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 12:43:32,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 12:43:32,262 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-11-23 12:43:32,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:32,265 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2021-11-23 12:43:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:43:32,265 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 14 [2021-11-23 12:43:32,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:32,265 INFO L225 Difference]: With dead ends: 15 [2021-11-23 12:43:32,266 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 12:43:32,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 12:43:32,267 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:43:32,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-11-23 12:43:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 12:43:32,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 12:43:32,269 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) [2021-11-23 12:43:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 12:43:32,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-11-23 12:43:32,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:43:32,270 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:43:32,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-11-23 12:43:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 12:43:32,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 12:43:32,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 12:43:32,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:32,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:43:32,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 12:43:33,891 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 216) no Hoare annotation was computed. [2021-11-23 12:43:33,892 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2021-11-23 12:43:33,892 INFO L854 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 12:43:33,892 INFO L858 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2021-11-23 12:43:33,892 INFO L854 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_#res#1| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 12:43:33,892 INFO L861 garLoopResultBuilder]: At program point L234(lines 219 235) the Hoare annotation is: true [2021-11-23 12:43:33,893 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 12:43:33,893 INFO L854 garLoopResultBuilder]: At program point L86-2(lines 86 102) the Hoare annotation is: false [2021-11-23 12:43:33,893 INFO L858 garLoopResultBuilder]: For program point L86-3(lines 23 131) no Hoare annotation was computed. [2021-11-23 12:43:33,893 INFO L854 garLoopResultBuilder]: At program point L86-6(lines 86 102) the Hoare annotation is: false [2021-11-23 12:43:33,894 INFO L858 garLoopResultBuilder]: For program point L86-7(lines 23 131) no Hoare annotation was computed. [2021-11-23 12:43:33,894 INFO L858 garLoopResultBuilder]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2021-11-23 12:43:33,894 INFO L854 garLoopResultBuilder]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2021-11-23 12:43:33,894 INFO L858 garLoopResultBuilder]: For program point L54-4(lines 54 55) no Hoare annotation was computed. [2021-11-23 12:43:33,895 INFO L858 garLoopResultBuilder]: For program point L54-7(lines 54 55) no Hoare annotation was computed. [2021-11-23 12:43:33,895 INFO L854 garLoopResultBuilder]: At program point L54-8(lines 54 55) the Hoare annotation is: false [2021-11-23 12:43:33,895 INFO L858 garLoopResultBuilder]: For program point L54-9(lines 54 55) no Hoare annotation was computed. [2021-11-23 12:43:33,895 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 118) no Hoare annotation was computed. [2021-11-23 12:43:33,896 INFO L858 garLoopResultBuilder]: For program point L104-1(lines 104 118) no Hoare annotation was computed. [2021-11-23 12:43:33,896 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-11-23 12:43:33,896 INFO L858 garLoopResultBuilder]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2021-11-23 12:43:33,896 INFO L858 garLoopResultBuilder]: For program point L121-3(lines 121 122) no Hoare annotation was computed. [2021-11-23 12:43:33,897 INFO L858 garLoopResultBuilder]: For program point L121-5(lines 121 122) no Hoare annotation was computed. [2021-11-23 12:43:33,897 INFO L858 garLoopResultBuilder]: For program point L89(lines 89 98) no Hoare annotation was computed. [2021-11-23 12:43:33,897 INFO L858 garLoopResultBuilder]: For program point L89-2(lines 89 98) no Hoare annotation was computed. [2021-11-23 12:43:33,897 INFO L858 garLoopResultBuilder]: For program point L89-3(lines 89 98) no Hoare annotation was computed. [2021-11-23 12:43:33,898 INFO L858 garLoopResultBuilder]: For program point L89-5(lines 89 98) no Hoare annotation was computed. [2021-11-23 12:43:33,898 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 216) no Hoare annotation was computed. [2021-11-23 12:43:33,898 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 117) no Hoare annotation was computed. [2021-11-23 12:43:33,898 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 45) no Hoare annotation was computed. [2021-11-23 12:43:33,898 INFO L858 garLoopResultBuilder]: For program point L106-2(lines 106 117) no Hoare annotation was computed. [2021-11-23 12:43:33,899 INFO L854 garLoopResultBuilder]: At program point L73-2(lines 73 83) the Hoare annotation is: false [2021-11-23 12:43:33,899 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 40 45) no Hoare annotation was computed. [2021-11-23 12:43:33,899 INFO L858 garLoopResultBuilder]: For program point L73-3(lines 73 83) no Hoare annotation was computed. [2021-11-23 12:43:33,899 INFO L858 garLoopResultBuilder]: For program point L40-3(lines 40 45) no Hoare annotation was computed. [2021-11-23 12:43:33,900 INFO L858 garLoopResultBuilder]: For program point L40-5(lines 40 45) no Hoare annotation was computed. [2021-11-23 12:43:33,900 INFO L854 garLoopResultBuilder]: At program point L73-6(lines 73 83) the Hoare annotation is: false [2021-11-23 12:43:33,900 INFO L858 garLoopResultBuilder]: For program point L73-7(lines 73 83) no Hoare annotation was computed. [2021-11-23 12:43:33,900 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 174) no Hoare annotation was computed. [2021-11-23 12:43:33,901 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 44) no Hoare annotation was computed. [2021-11-23 12:43:33,901 INFO L858 garLoopResultBuilder]: For program point L41-1(lines 41 44) no Hoare annotation was computed. [2021-11-23 12:43:33,901 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 12:43:33,901 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 171) no Hoare annotation was computed. [2021-11-23 12:43:33,901 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 92) no Hoare annotation was computed. [2021-11-23 12:43:33,902 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 129) no Hoare annotation was computed. [2021-11-23 12:43:33,902 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 129) the Hoare annotation is: false [2021-11-23 12:43:33,902 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 92) no Hoare annotation was computed. [2021-11-23 12:43:33,902 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 129) no Hoare annotation was computed. [2021-11-23 12:43:33,903 INFO L858 garLoopResultBuilder]: For program point L91-3(lines 91 92) no Hoare annotation was computed. [2021-11-23 12:43:33,903 INFO L858 garLoopResultBuilder]: For program point L124-5(lines 124 129) no Hoare annotation was computed. [2021-11-23 12:43:33,903 INFO L858 garLoopResultBuilder]: For program point L91-5(lines 91 92) no Hoare annotation was computed. [2021-11-23 12:43:33,903 INFO L854 garLoopResultBuilder]: At program point L124-6(lines 124 129) the Hoare annotation is: false [2021-11-23 12:43:33,903 INFO L858 garLoopResultBuilder]: For program point L124-7(lines 124 129) no Hoare annotation was computed. [2021-11-23 12:43:33,904 INFO L858 garLoopResultBuilder]: For program point L108(lines 108 116) no Hoare annotation was computed. [2021-11-23 12:43:33,904 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-11-23 12:43:33,904 INFO L858 garLoopResultBuilder]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2021-11-23 12:43:33,904 INFO L858 garLoopResultBuilder]: For program point L75-2(lines 75 79) no Hoare annotation was computed. [2021-11-23 12:43:33,904 INFO L858 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2021-11-23 12:43:33,905 INFO L858 garLoopResultBuilder]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2021-11-23 12:43:33,905 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 44) no Hoare annotation was computed. [2021-11-23 12:43:33,905 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 43 44) no Hoare annotation was computed. [2021-11-23 12:43:33,905 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 159 163) no Hoare annotation was computed. [2021-11-23 12:43:33,906 INFO L854 garLoopResultBuilder]: At program point L159-2(lines 159 163) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)) |ULTIMATE.start___ieee754_acos_~ix~0#1|))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 12:43:33,906 INFO L858 garLoopResultBuilder]: For program point L159-3(lines 157 171) no Hoare annotation was computed. [2021-11-23 12:43:33,906 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 95) no Hoare annotation was computed. [2021-11-23 12:43:33,906 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 12:43:33,907 INFO L858 garLoopResultBuilder]: For program point L94-2(lines 94 95) no Hoare annotation was computed. [2021-11-23 12:43:33,907 INFO L858 garLoopResultBuilder]: For program point L94-3(lines 94 95) no Hoare annotation was computed. [2021-11-23 12:43:33,907 INFO L858 garLoopResultBuilder]: For program point L94-5(lines 94 95) no Hoare annotation was computed. [2021-11-23 12:43:33,907 INFO L858 garLoopResultBuilder]: For program point L111(lines 111 116) no Hoare annotation was computed. [2021-11-23 12:43:33,907 INFO L858 garLoopResultBuilder]: For program point L111-3(lines 111 116) no Hoare annotation was computed. [2021-11-23 12:43:33,908 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 65) no Hoare annotation was computed. [2021-11-23 12:43:33,908 INFO L858 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2021-11-23 12:43:33,908 INFO L858 garLoopResultBuilder]: For program point L62-2(lines 62 65) no Hoare annotation was computed. [2021-11-23 12:43:33,908 INFO L854 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: false [2021-11-23 12:43:33,908 INFO L858 garLoopResultBuilder]: For program point L62-3(lines 62 65) no Hoare annotation was computed. [2021-11-23 12:43:33,908 INFO L858 garLoopResultBuilder]: For program point L29-3(lines 23 131) no Hoare annotation was computed. [2021-11-23 12:43:33,909 INFO L858 garLoopResultBuilder]: For program point L62-5(lines 62 65) no Hoare annotation was computed. [2021-11-23 12:43:33,909 INFO L858 garLoopResultBuilder]: For program point L29-5(lines 29 34) no Hoare annotation was computed. [2021-11-23 12:43:33,909 INFO L854 garLoopResultBuilder]: At program point L29-6(lines 29 34) the Hoare annotation is: false [2021-11-23 12:43:33,909 INFO L858 garLoopResultBuilder]: For program point L29-7(lines 23 131) no Hoare annotation was computed. [2021-11-23 12:43:33,909 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2021-11-23 12:43:33,910 INFO L858 garLoopResultBuilder]: For program point L112-2(lines 112 113) no Hoare annotation was computed. [2021-11-23 12:43:33,910 INFO L858 garLoopResultBuilder]: For program point L112-3(lines 112 113) no Hoare annotation was computed. [2021-11-23 12:43:33,910 INFO L858 garLoopResultBuilder]: For program point L112-5(lines 112 113) no Hoare annotation was computed. [2021-11-23 12:43:33,910 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-11-23 12:43:33,910 INFO L854 garLoopResultBuilder]: At program point L130(lines 23 131) the Hoare annotation is: false [2021-11-23 12:43:33,911 INFO L854 garLoopResultBuilder]: At program point L130-1(lines 23 131) the Hoare annotation is: false [2021-11-23 12:43:33,911 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 59) no Hoare annotation was computed. [2021-11-23 12:43:33,911 INFO L858 garLoopResultBuilder]: For program point L48-2(lines 48 59) no Hoare annotation was computed. [2021-11-23 12:43:33,911 INFO L858 garLoopResultBuilder]: For program point L48-3(lines 48 59) no Hoare annotation was computed. [2021-11-23 12:43:33,911 INFO L858 garLoopResultBuilder]: For program point L48-5(lines 48 59) no Hoare annotation was computed. [2021-11-23 12:43:33,912 INFO L858 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2021-11-23 12:43:33,912 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 12:43:33,912 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 230) no Hoare annotation was computed. [2021-11-23 12:43:33,912 INFO L854 garLoopResultBuilder]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2021-11-23 12:43:33,912 INFO L858 garLoopResultBuilder]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2021-11-23 12:43:33,913 INFO L854 garLoopResultBuilder]: At program point L49-6(lines 49 53) the Hoare annotation is: false [2021-11-23 12:43:33,913 INFO L858 garLoopResultBuilder]: For program point L49-7(lines 49 53) no Hoare annotation was computed. [2021-11-23 12:43:33,913 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 168) no Hoare annotation was computed. [2021-11-23 12:43:33,913 INFO L854 garLoopResultBuilder]: At program point L215(lines 148 217) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_#res#1| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 12:43:33,913 INFO L858 garLoopResultBuilder]: For program point L200-1(lines 200 205) no Hoare annotation was computed. [2021-11-23 12:43:33,914 INFO L854 garLoopResultBuilder]: At program point L200-2(lines 200 205) the Hoare annotation is: false [2021-11-23 12:43:33,914 INFO L858 garLoopResultBuilder]: For program point L200-3(lines 200 205) no Hoare annotation was computed. [2021-11-23 12:43:33,917 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 12:43:33,919 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 12:43:33,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:33,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:33,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:33,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:33,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:33,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:33,932 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:33,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:33,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:33,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:33,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:33,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:33,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:33,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:33,939 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:33,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:33,941 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,942 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,942 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,944 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,945 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,945 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,946 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,946 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,946 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,946 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,948 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,948 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,949 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,949 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,949 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,951 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,951 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,951 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,951 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,952 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,952 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,953 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,953 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,953 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,953 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,965 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,965 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,966 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,966 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,966 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,966 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:33,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:43:33 BoogieIcfgContainer [2021-11-23 12:43:33,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 12:43:33,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:43:33,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:43:33,973 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:43:33,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:10" (3/4) ... [2021-11-23 12:43:33,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 12:43:34,005 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2021-11-23 12:43:34,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 12:43:34,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 12:43:34,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 12:43:34,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 12:43:34,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_12 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_12[63:32]) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 12:43:34,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 12:43:34,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 12:43:34,128 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 12:43:34,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:43:34,129 INFO L158 Benchmark]: Toolchain (without parser) took 42888.42ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 38.2MB in the beginning and 48.5MB in the end (delta: -10.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 12:43:34,129 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:43:34,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.01ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 38.4MB in the end (delta: -455.1kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 12:43:34,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.00ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 35.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:43:34,130 INFO L158 Benchmark]: Boogie Preprocessor took 72.75ms. Allocated memory is still 60.8MB. Free memory was 35.4MB in the beginning and 32.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:43:34,131 INFO L158 Benchmark]: RCFGBuilder took 18946.23ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 32.3MB in the beginning and 58.3MB in the end (delta: -26.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 12:43:34,132 INFO L158 Benchmark]: TraceAbstraction took 23272.05ms. Allocated memory is still 79.7MB. Free memory was 58.0MB in the beginning and 58.5MB in the end (delta: -516.5kB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-23 12:43:34,132 INFO L158 Benchmark]: Witness Printer took 156.48ms. Allocated memory is still 79.7MB. Free memory was 58.5MB in the beginning and 48.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:43:34,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.01ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 38.4MB in the end (delta: -455.1kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.00ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 35.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.75ms. Allocated memory is still 60.8MB. Free memory was 35.4MB in the beginning and 32.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 18946.23ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 32.3MB in the beginning and 58.3MB in the end (delta: -26.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * TraceAbstraction took 23272.05ms. Allocated memory is still 79.7MB. Free memory was 58.0MB in the beginning and 58.5MB in the end (delta: -516.5kB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Witness Printer took 156.48ms. Allocated memory is still 79.7MB. Free memory was 58.5MB in the beginning and 48.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: 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 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 14 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 176 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 25 NumberOfFragments, 167 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 19 QuantifiedInterpolants, 567 SizeOfPredicates, 27 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant [2021-11-23 12:43:34,169 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:34,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:34,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:34,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:34,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:34,170 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:34,171 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:34,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:34,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:34,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:34,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:34,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-23 12:43:34,183 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_12 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_12[63:32]) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant [2021-11-23 12:43:34,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:34,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:34,185 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:34,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 12:43:34,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant [2021-11-23 12:43:34,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant [2021-11-23 12:43:34,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 12:43:34,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && 1bv32 == \result) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 12:43:34,417 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 12:43:34,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef626a1-ccbb-405a-8780-56f551b65ad0/bin/uautomizer-wIGwrQj20G/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