./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY --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 1ab89f9fd181fc49393249ab394ae0be489884ea10cdc47029f2c0a33dd5486d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:37:19,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:37:19,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:37:19,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:37:19,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:37:19,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:37:19,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:37:19,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:37:19,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:37:19,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:37:19,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:37:19,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:37:19,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:37:19,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:37:19,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:37:19,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:37:19,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:37:19,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:37:19,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:37:19,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:37:19,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:37:19,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:37:19,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:37:19,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:37:19,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:37:19,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:37:19,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:37:19,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:37:19,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:37:19,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:37:19,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:37:19,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:37:19,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:37:19,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:37:19,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:37:19,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:37:19,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:37:19,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:37:19,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:37:19,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:37:19,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:37:19,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:37:20,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:37:20,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:37:20,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:37:20,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:37:20,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:37:20,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:37:20,047 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:37:20,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:37:20,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:37:20,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:37:20,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:37:20,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:37:20,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:37:20,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:37:20,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:37:20,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:37:20,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:37:20,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:37:20,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:37:20,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:37:20,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:37:20,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:37:20,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:37:20,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:37:20,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:37:20,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:37:20,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:37:20,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:37:20,054 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:37:20,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:37:20,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:37:20,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:37:20,055 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_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab89f9fd181fc49393249ab394ae0be489884ea10cdc47029f2c0a33dd5486d [2021-11-07 08:37:20,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:37:20,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:37:20,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:37:20,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:37:20,484 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:37:20,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2021-11-07 08:37:20,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data/e3cabd9f5/c2fcbfcf38d44709a7bf76ea8fc591be/FLAG480ea13b6 [2021-11-07 08:37:21,205 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:37:21,206 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2021-11-07 08:37:21,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data/e3cabd9f5/c2fcbfcf38d44709a7bf76ea8fc591be/FLAG480ea13b6 [2021-11-07 08:37:21,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data/e3cabd9f5/c2fcbfcf38d44709a7bf76ea8fc591be [2021-11-07 08:37:21,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:37:21,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:37:21,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:37:21,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:37:21,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:37:21,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:21,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409ebd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21, skipping insertion in model container [2021-11-07 08:37:21,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:21,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:37:21,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:37:21,854 WARN L228 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_49545940-b74e-4234-964b-284a447b24bf/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c[5276,5289] [2021-11-07 08:37:21,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:37:21,870 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:37:21,964 WARN L228 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_49545940-b74e-4234-964b-284a447b24bf/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c[5276,5289] [2021-11-07 08:37:21,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:37:21,985 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:37:21,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21 WrapperNode [2021-11-07 08:37:21,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:37:21,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:37:21,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:37:21,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:37:21,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:37:22,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:37:22,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:37:22,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:37:22,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:37:22,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:37:22,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:37:22,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:37:22,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (1/1) ... [2021-11-07 08:37:22,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:37:22,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:37:22,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:37:22,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:37:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:37:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:37:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-07 08:37:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 08:37:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-07 08:37:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:37:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:37:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 08:37:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-07 08:37:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:37:23,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:37:23,185 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-07 08:37:23,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:37:23 BoogieIcfgContainer [2021-11-07 08:37:23,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:37:23,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:37:23,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:37:23,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:37:23,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:37:21" (1/3) ... [2021-11-07 08:37:23,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b46ba92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:37:23, skipping insertion in model container [2021-11-07 08:37:23,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:21" (2/3) ... [2021-11-07 08:37:23,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b46ba92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:37:23, skipping insertion in model container [2021-11-07 08:37:23,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:37:23" (3/3) ... [2021-11-07 08:37:23,200 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2021-11-07 08:37:23,207 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:37:23,208 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:37:23,274 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:37:23,282 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 [2021-11-07 08:37:23,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:37:23,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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) [2021-11-07 08:37:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 08:37:23,314 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:37:23,315 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:37:23,316 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:37:23,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:37:23,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-11-07 08:37:23,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:37:23,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723879793] [2021-11-07 08:37:23,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:37:23,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:37:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:37:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:37:23,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:37:23,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723879793] [2021-11-07 08:37:23,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723879793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:37:23,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:37:23,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:37:23,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907871457] [2021-11-07 08:37:23,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 08:37:23,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:37:23,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 08:37:23,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 08:37:23,693 INFO L87 Difference]: Start difference. First operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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) [2021-11-07 08:37:23,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:37:23,751 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2021-11-07 08:37:23,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 08:37:23,753 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 [2021-11-07 08:37:23,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:37:23,769 INFO L225 Difference]: With dead ends: 219 [2021-11-07 08:37:23,769 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 08:37:23,775 INFO L786 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 [2021-11-07 08:37:23,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 08:37:23,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-07 08:37:23,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 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) [2021-11-07 08:37:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2021-11-07 08:37:23,838 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2021-11-07 08:37:23,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:37:23,839 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2021-11-07 08:37:23,839 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) [2021-11-07 08:37:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-11-07 08:37:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 08:37:23,841 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:37:23,841 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:37:23,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:37:23,842 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:37:23,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:37:23,843 INFO L85 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2021-11-07 08:37:23,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:37:23,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736972670] [2021-11-07 08:37:23,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:37:23,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:37:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:37:24,024 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:37:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:37:24,196 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:37:24,196 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 08:37:24,198 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:37:24,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:37:24,205 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 08:37:24,210 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:37:24,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:37:24 BoogieIcfgContainer [2021-11-07 08:37:24,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:37:24,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:37:24,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:37:24,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:37:24,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:37:23" (3/4) ... [2021-11-07 08:37:24,308 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:37:24,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:37:24,312 INFO L168 Benchmark]: Toolchain (without parser) took 2808.69 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 48.7 MB in the beginning and 76.0 MB in the end (delta: -27.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:37:24,314 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:37:24,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.27 ms. Allocated memory is still 90.2 MB. Free memory was 48.5 MB in the beginning and 62.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-11-07 08:37:24,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.98 ms. Allocated memory is still 90.2 MB. Free memory was 62.1 MB in the beginning and 58.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:37:24,323 INFO L168 Benchmark]: Boogie Preprocessor took 86.28 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 56.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:37:24,325 INFO L168 Benchmark]: RCFGBuilder took 1024.20 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 55.9 MB in the beginning and 77.1 MB in the end (delta: -21.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:37:24,328 INFO L168 Benchmark]: TraceAbstraction took 1110.32 ms. Allocated memory is still 115.3 MB. Free memory was 76.6 MB in the beginning and 76.8 MB in the end (delta: -212.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:37:24,332 INFO L168 Benchmark]: Witness Printer took 7.93 ms. Allocated memory is still 115.3 MB. Free memory was 76.8 MB in the beginning and 76.0 MB in the end (delta: 799.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:37:24,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 466.27 ms. Allocated memory is still 90.2 MB. Free memory was 48.5 MB in the beginning and 62.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.98 ms. Allocated memory is still 90.2 MB. Free memory was 62.1 MB in the beginning and 58.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.28 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 56.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1024.20 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 55.9 MB in the beginning and 77.1 MB in the end (delta: -21.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1110.32 ms. Allocated memory is still 115.3 MB. Free memory was 76.6 MB in the beginning and 76.8 MB in the end (delta: -212.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 7.93 ms. Allocated memory is still 115.3 MB. Free memory was 76.8 MB in the beginning and 76.0 MB in the end (delta: 799.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 230, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 218, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = -0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y > 0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L227] float res = __ieee754_atan2f(y, x); [L230] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L231] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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: 160 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 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 [2021-11-07 08:37:24,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/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_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY --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 1ab89f9fd181fc49393249ab394ae0be489884ea10cdc47029f2c0a33dd5486d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:37:27,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:37:27,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:37:27,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:37:27,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:37:27,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:37:27,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:37:27,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:37:27,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:37:27,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:37:27,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:37:27,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:37:27,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:37:27,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:37:27,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:37:27,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:37:27,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:37:27,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:37:27,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:37:27,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:37:27,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:37:27,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:37:27,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:37:27,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:37:27,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:37:27,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:37:27,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:37:27,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:37:27,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:37:27,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:37:27,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:37:27,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:37:27,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:37:27,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:37:27,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:37:27,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:37:27,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:37:27,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:37:27,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:37:27,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:37:27,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:37:27,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-07 08:37:27,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:37:27,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:37:27,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:37:27,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:37:27,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:37:27,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:37:27,785 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:37:27,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:37:27,786 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:37:27,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:37:27,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:37:27,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:37:27,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:37:27,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:37:27,789 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 08:37:27,789 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 08:37:27,789 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:37:27,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:37:27,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:37:27,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:37:27,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:37:27,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:37:27,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:37:27,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:37:27,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:37:27,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:37:27,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:37:27,793 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-07 08:37:27,793 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 08:37:27,793 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:37:27,793 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:37:27,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:37:27,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:37:27,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 08:37:27,795 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_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab89f9fd181fc49393249ab394ae0be489884ea10cdc47029f2c0a33dd5486d [2021-11-07 08:37:28,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:37:28,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:37:28,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:37:28,270 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:37:28,271 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:37:28,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2021-11-07 08:37:28,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data/9d4b28c87/5db049e51e4b48a0be1bbe0c7539e12c/FLAG5bebd9594 [2021-11-07 08:37:28,974 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:37:28,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2021-11-07 08:37:28,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data/9d4b28c87/5db049e51e4b48a0be1bbe0c7539e12c/FLAG5bebd9594 [2021-11-07 08:37:29,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/data/9d4b28c87/5db049e51e4b48a0be1bbe0c7539e12c [2021-11-07 08:37:29,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:37:29,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:37:29,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:37:29,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:37:29,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:37:29,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3437d8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29, skipping insertion in model container [2021-11-07 08:37:29,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:37:29,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:37:29,596 WARN L228 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_49545940-b74e-4234-964b-284a447b24bf/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c[5276,5289] [2021-11-07 08:37:29,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:37:29,620 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:37:29,769 WARN L228 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_49545940-b74e-4234-964b-284a447b24bf/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c[5276,5289] [2021-11-07 08:37:29,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:37:29,806 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:37:29,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29 WrapperNode [2021-11-07 08:37:29,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:37:29,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:37:29,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:37:29,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:37:29,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:37:29,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:37:29,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:37:29,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:37:29,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:29,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:37:30,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:37:30,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:37:30,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:37:30,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (1/1) ... [2021-11-07 08:37:30,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:37:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:37:30,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:37:30,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:37:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-07 08:37:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 08:37:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:37:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-07 08:37:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 08:37:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:37:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:37:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-07 08:37:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 08:37:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:37:50,571 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:37:50,572 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-07 08:37:50,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:37:50 BoogieIcfgContainer [2021-11-07 08:37:50,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:37:50,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:37:50,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:37:50,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:37:50,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:37:29" (1/3) ... [2021-11-07 08:37:50,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518d185c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:37:50, skipping insertion in model container [2021-11-07 08:37:50,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:37:29" (2/3) ... [2021-11-07 08:37:50,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518d185c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:37:50, skipping insertion in model container [2021-11-07 08:37:50,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:37:50" (3/3) ... [2021-11-07 08:37:50,583 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2021-11-07 08:37:50,589 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:37:50,589 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:37:50,646 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:37:50,653 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 [2021-11-07 08:37:50,653 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:37:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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) [2021-11-07 08:37:50,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 08:37:50,680 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:37:50,680 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:37:50,681 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:37:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:37:50,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-11-07 08:37:50,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:37:50,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201611977] [2021-11-07 08:37:50,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:37:50,707 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:37:50,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:37:50,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:37:50,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 08:37:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:37:51,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 08:37:51,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:37:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:37:52,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:37:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:37:52,143 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:37:52,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201611977] [2021-11-07 08:37:52,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201611977] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:37:52,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:37:52,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 08:37:52,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713533169] [2021-11-07 08:37:52,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 08:37:52,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:37:52,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 08:37:52,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 08:37:52,176 INFO L87 Difference]: Start difference. First operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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) [2021-11-07 08:37:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:37:52,212 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2021-11-07 08:37:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 08:37:52,214 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 [2021-11-07 08:37:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:37:52,228 INFO L225 Difference]: With dead ends: 219 [2021-11-07 08:37:52,229 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 08:37:52,233 INFO L786 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 [2021-11-07 08:37:52,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 08:37:52,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-07 08:37:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 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) [2021-11-07 08:37:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2021-11-07 08:37:52,287 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2021-11-07 08:37:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:37:52,288 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2021-11-07 08:37:52,289 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) [2021-11-07 08:37:52,289 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-11-07 08:37:52,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 08:37:52,290 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:37:52,290 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:37:52,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:37:52,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:37:52,505 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:37:52,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:37:52,506 INFO L85 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2021-11-07 08:37:52,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:37:52,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380609468] [2021-11-07 08:37:52,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:37:52,508 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:37:52,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:37:52,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:37:52,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 08:37:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:37:53,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 08:37:53,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:37:54,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 08:37:54,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-07 08:37:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:37:55,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:37:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:37:57,456 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:37:57,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380609468] [2021-11-07 08:37:57,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380609468] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:37:57,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:37:57,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-07 08:37:57,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151861956] [2021-11-07 08:37:57,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 08:37:57,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:37:57,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 08:37:57,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-07 08:37:57,462 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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) [2021-11-07 08:38:08,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:38:08,400 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2021-11-07 08:38:08,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 08:38:08,433 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 13 [2021-11-07 08:38:08,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:38:08,434 INFO L225 Difference]: With dead ends: 114 [2021-11-07 08:38:08,434 INFO L226 Difference]: Without dead ends: 43 [2021-11-07 08:38:08,436 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-11-07 08:38:08,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-07 08:38:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-07 08:38:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 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) [2021-11-07 08:38:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2021-11-07 08:38:08,445 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 13 [2021-11-07 08:38:08,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:38:08,460 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2021-11-07 08:38:08,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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) [2021-11-07 08:38:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2021-11-07 08:38:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 08:38:08,462 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:38:08,462 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:38:08,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 08:38:08,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:38:08,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:38:08,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:38:08,664 INFO L85 PathProgramCache]: Analyzing trace with hash -625824453, now seen corresponding path program 1 times [2021-11-07 08:38:08,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:38:08,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855018065] [2021-11-07 08:38:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:38:08,665 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:38:08,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:38:08,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:38:08,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 08:38:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:38:09,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 08:38:09,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:38:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:38:11,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:38:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:38:15,046 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:38:15,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855018065] [2021-11-07 08:38:15,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855018065] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:38:15,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:38:15,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-07 08:38:15,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244456149] [2021-11-07 08:38:15,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 08:38:15,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:38:15,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 08:38:15,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 08:38:15,050 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 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) [2021-11-07 08:38:32,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:38:32,977 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2021-11-07 08:38:33,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 08:38:33,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 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 18 [2021-11-07 08:38:33,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:38:33,014 INFO L225 Difference]: With dead ends: 53 [2021-11-07 08:38:33,015 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 08:38:33,015 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-07 08:38:33,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 08:38:33,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2021-11-07 08:38:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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) [2021-11-07 08:38:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2021-11-07 08:38:33,023 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 18 [2021-11-07 08:38:33,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:38:33,024 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-11-07 08:38:33,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 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) [2021-11-07 08:38:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-07 08:38:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 08:38:33,025 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:38:33,025 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:38:33,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 08:38:33,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:38:33,226 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:38:33,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:38:33,227 INFO L85 PathProgramCache]: Analyzing trace with hash -323150641, now seen corresponding path program 1 times [2021-11-07 08:38:33,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:38:33,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261518560] [2021-11-07 08:38:33,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:38:33,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:38:33,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:38:33,230 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:38:33,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 08:38:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:38:34,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 08:38:34,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:38:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:38:34,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:38:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:38:35,429 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:38:35,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261518560] [2021-11-07 08:38:35,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261518560] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:38:35,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:38:35,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 08:38:35,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387130496] [2021-11-07 08:38:35,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 08:38:35,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:38:35,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 08:38:35,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 08:38:35,432 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2021-11-07 08:38:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:38:35,616 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-11-07 08:38:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:38:35,618 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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 20 [2021-11-07 08:38:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:38:35,618 INFO L225 Difference]: With dead ends: 39 [2021-11-07 08:38:35,619 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 08:38:35,620 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 08:38:35,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 08:38:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 08:38:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:38:35,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 08:38:35,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-07 08:38:35,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:38:35,622 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:38:35,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2021-11-07 08:38:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:38:35,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 08:38:35,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:38:35,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 08:38:35,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:38:35,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 08:38:35,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:35,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:38:37,406 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-07 08:38:37,407 INFO L857 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-11-07 08:38:37,407 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 08:38:37,408 INFO L860 garLoopResultBuilder]: At program point L235(lines 217 236) the Hoare annotation is: true [2021-11-07 08:38:37,408 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-11-07 08:38:37,408 INFO L853 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (forall ((|v_skolemized_q#valueAsBitvector_20| (_ BitVec 32))) (or (and (not (bvsgt (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_20|) (_ bv2139095040 32))) (not (bvsgt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) (_ bv2139095040 32)))) (not (= ULTIMATE.start___ieee754_atan2f_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_20|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_20|)))))) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2) (= (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (fp.neg (_ +zero 8 24))))) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= (fp.add roundNearestTiesToEven ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-07 08:38:37,409 INFO L857 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-11-07 08:38:37,409 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-11-07 08:38:37,409 INFO L857 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-11-07 08:38:37,410 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-11-07 08:38:37,410 INFO L857 garLoopResultBuilder]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2021-11-07 08:38:37,410 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-11-07 08:38:37,410 INFO L857 garLoopResultBuilder]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2021-11-07 08:38:37,411 INFO L857 garLoopResultBuilder]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2021-11-07 08:38:37,411 INFO L857 garLoopResultBuilder]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2021-11-07 08:38:37,411 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-11-07 08:38:37,411 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-11-07 08:38:37,412 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-11-07 08:38:37,412 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-11-07 08:38:37,412 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-11-07 08:38:37,412 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2021-11-07 08:38:37,413 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-11-07 08:38:37,413 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-11-07 08:38:37,413 INFO L857 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-11-07 08:38:37,413 INFO L857 garLoopResultBuilder]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2021-11-07 08:38:37,414 INFO L857 garLoopResultBuilder]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2021-11-07 08:38:37,414 INFO L857 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-11-07 08:38:37,414 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-11-07 08:38:37,414 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-11-07 08:38:37,415 INFO L857 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-11-07 08:38:37,415 INFO L857 garLoopResultBuilder]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2021-11-07 08:38:37,415 INFO L857 garLoopResultBuilder]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2021-11-07 08:38:37,415 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-07 08:38:37,416 INFO L857 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-11-07 08:38:37,416 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-11-07 08:38:37,416 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2021-11-07 08:38:37,416 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-11-07 08:38:37,417 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-11-07 08:38:37,417 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-11-07 08:38:37,417 INFO L853 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2021-11-07 08:38:37,417 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-11-07 08:38:37,418 INFO L857 garLoopResultBuilder]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2021-11-07 08:38:37,418 INFO L853 garLoopResultBuilder]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2021-11-07 08:38:37,418 INFO L857 garLoopResultBuilder]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2021-11-07 08:38:37,418 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-07 08:38:37,419 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 08:38:37,419 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-11-07 08:38:37,419 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-11-07 08:38:37,419 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-07 08:38:37,420 INFO L853 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-07 08:38:37,420 INFO L857 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-07 08:38:37,420 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-11-07 08:38:37,420 INFO L853 garLoopResultBuilder]: At program point L26(lines 14 27) the Hoare annotation is: false [2021-11-07 08:38:37,421 INFO L853 garLoopResultBuilder]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2021-11-07 08:38:37,421 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2021-11-07 08:38:37,421 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-07 08:38:37,421 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-11-07 08:38:37,422 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-11-07 08:38:37,422 INFO L857 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-11-07 08:38:37,422 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2021-11-07 08:38:37,422 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-11-07 08:38:37,423 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-11-07 08:38:37,423 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 234) no Hoare annotation was computed. [2021-11-07 08:38:37,423 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-11-07 08:38:37,423 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-07 08:38:37,424 INFO L857 garLoopResultBuilder]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2021-11-07 08:38:37,424 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 08:38:37,424 INFO L857 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-11-07 08:38:37,424 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-07 08:38:37,424 INFO L857 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-11-07 08:38:37,425 INFO L857 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-11-07 08:38:37,425 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-07 08:38:37,425 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-07 08:38:37,425 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-11-07 08:38:37,426 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2021-11-07 08:38:37,426 INFO L857 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-11-07 08:38:37,426 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-11-07 08:38:37,426 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2021-11-07 08:38:37,427 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-07 08:38:37,427 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-07 08:38:37,427 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-11-07 08:38:37,427 INFO L857 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-11-07 08:38:37,428 INFO L853 garLoopResultBuilder]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2021-11-07 08:38:37,428 INFO L857 garLoopResultBuilder]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2021-11-07 08:38:37,428 INFO L857 garLoopResultBuilder]: For program point L113-4(line 113) no Hoare annotation was computed. [2021-11-07 08:38:37,428 INFO L857 garLoopResultBuilder]: For program point L113-6(line 113) no Hoare annotation was computed. [2021-11-07 08:38:37,428 INFO L853 garLoopResultBuilder]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2021-11-07 08:38:37,429 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-07 08:38:37,429 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-11-07 08:38:37,429 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) .cse1) ULTIMATE.start___ieee754_atan2f_~ix~2)))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-07 08:38:37,430 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-11-07 08:38:37,430 INFO L857 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-11-07 08:38:37,430 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2021-11-07 08:38:37,430 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-07 08:38:37,431 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 233) no Hoare annotation was computed. [2021-11-07 08:38:37,431 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-07 08:38:37,431 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 08:38:37,431 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 231) no Hoare annotation was computed. [2021-11-07 08:38:37,432 INFO L857 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-11-07 08:38:37,432 INFO L853 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2021-11-07 08:38:37,432 INFO L857 garLoopResultBuilder]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2021-11-07 08:38:37,432 INFO L853 garLoopResultBuilder]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2021-11-07 08:38:37,433 INFO L857 garLoopResultBuilder]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2021-11-07 08:38:37,433 INFO L857 garLoopResultBuilder]: For program point L231(line 231) no Hoare annotation was computed. [2021-11-07 08:38:37,433 INFO L853 garLoopResultBuilder]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2021-11-07 08:38:37,433 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-11-07 08:38:37,433 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-11-07 08:38:37,434 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-11-07 08:38:37,434 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2021-11-07 08:38:37,434 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-07 08:38:37,434 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-07 08:38:37,439 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 08:38:37,441 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:38:37,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,466 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,472 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,473 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,474 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:38:37 BoogieIcfgContainer [2021-11-07 08:38:37,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:38:37,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:38:37,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:38:37,482 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:38:37,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:37:50" (3/4) ... [2021-11-07 08:38:37,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:38:37,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-07 08:38:37,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-07 08:38:37,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:38:37,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:38:37,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-07 08:38:37,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((forall v_skolemized_q#valueAsBitvector_20 : bv32 :: (!~bvsgt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_20), 2139095040bv32) && !~bvsgt32(~bvand32(2147483647bv32, hx), 2139095040bv32)) || !(y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_20[31:31], v_skolemized_q#valueAsBitvector_20[30:23], v_skolemized_q#valueAsBitvector_20[22:0]))) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists v_arrayElimCell_1 : bv32 :: ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix && ~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-07 08:38:37,608 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:38:37,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:38:37,610 INFO L168 Benchmark]: Toolchain (without parser) took 68319.00 ms. Allocated memory was 75.5 MB in the beginning and 98.6 MB in the end (delta: 23.1 MB). Free memory was 60.1 MB in the beginning and 41.3 MB in the end (delta: 18.7 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2021-11-07 08:38:37,611 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 75.5 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:38:37,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.73 ms. Allocated memory is still 75.5 MB. Free memory was 59.8 MB in the beginning and 55.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:38:37,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.67 ms. Allocated memory is still 75.5 MB. Free memory was 55.9 MB in the beginning and 52.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:38:37,612 INFO L168 Benchmark]: Boogie Preprocessor took 95.99 ms. Allocated memory is still 75.5 MB. Free memory was 52.5 MB in the beginning and 49.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:38:37,613 INFO L168 Benchmark]: RCFGBuilder took 20574.16 ms. Allocated memory is still 75.5 MB. Free memory was 49.0 MB in the beginning and 42.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:38:37,613 INFO L168 Benchmark]: TraceAbstraction took 46904.07 ms. Allocated memory was 75.5 MB in the beginning and 98.6 MB in the end (delta: 23.1 MB). Free memory was 41.8 MB in the beginning and 48.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:38:37,614 INFO L168 Benchmark]: Witness Printer took 127.00 ms. Allocated memory is still 98.6 MB. Free memory was 48.8 MB in the beginning and 41.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:38:37,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 75.5 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 514.73 ms. Allocated memory is still 75.5 MB. Free memory was 59.8 MB in the beginning and 55.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.67 ms. Allocated memory is still 75.5 MB. Free memory was 55.9 MB in the beginning and 52.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.99 ms. Allocated memory is still 75.5 MB. Free memory was 52.5 MB in the beginning and 49.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 20574.16 ms. Allocated memory is still 75.5 MB. Free memory was 49.0 MB in the beginning and 42.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 46904.07 ms. Allocated memory was 75.5 MB in the beginning and 98.6 MB in the end (delta: 23.1 MB). Free memory was 41.8 MB in the beginning and 48.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Witness Printer took 127.00 ms. Allocated memory is still 98.6 MB. Free memory was 48.8 MB in the beginning and 41.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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: 231]: 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, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 495 SDslu, 217 SDs, 0 SdLazy, 108 SolverSat, 9 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 25.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 219 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 31 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 11 QuantifiedInterpolants, 909 SizeOfPredicates, 22 NumberOfNonLiveVariables, 456 ConjunctsInSsa, 30 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: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2021-11-07 08:38:37,633 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-07 08:38:37,636 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2021-11-07 08:38:37,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 120]: Loop Invariant [2021-11-07 08:38:37,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_20,QUANTIFIED] [2021-11-07 08:38:37,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-07 08:38:37,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-07 08:38:37,648 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,648 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,648 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 08:38:37,649 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((((forall v_skolemized_q#valueAsBitvector_20 : bv32 :: (!~bvsgt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_20), 2139095040bv32) && !~bvsgt32(~bvand32(2147483647bv32, hx), 2139095040bv32)) || !(y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_20[31:31], v_skolemized_q#valueAsBitvector_20[30:23], v_skolemized_q#valueAsBitvector_20[22:0]))) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists v_arrayElimCell_1 : bv32 :: ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix && ~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 08:38:37,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49545940-b74e-4234-964b-284a447b24bf/bin/uautomizer-AkOaLMaTGY/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 Writing output log to file Ultimate.log Result: TRUE