./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efede14cec67ae8cef21ecac6898298c5edf5936b50c5fa3d4edd06f6b4e1b18 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:59:22,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:59:23,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:59:23,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:59:23,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:59:23,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:59:23,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:59:23,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:59:23,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:59:23,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:59:23,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:59:23,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:59:23,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:59:23,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:59:23,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:59:23,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:59:23,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:59:23,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:59:23,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:59:23,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:59:23,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:59:23,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:59:23,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:59:23,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:59:23,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:59:23,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:59:23,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:59:23,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:59:23,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:59:23,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:59:23,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:59:23,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:59:23,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:59:23,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:59:23,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:59:23,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:59:23,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:59:23,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:59:23,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:59:23,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:59:23,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:59:23,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 05:59:23,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:59:23,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:59:23,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:59:23,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:59:23,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:59:23,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:59:23,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:59:23,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:59:23,144 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:59:23,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:59:23,145 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:59:23,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:59:23,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:59:23,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:59:23,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:59:23,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:59:23,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:59:23,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:59:23,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:59:23,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:59:23,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:59:23,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:59:23,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:59:23,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:59:23,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:59:23,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:59:23,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:59:23,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:59:23,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:59:23,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:59:23,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:59:23,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:59:23,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:59:23,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:59:23,152 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_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efede14cec67ae8cef21ecac6898298c5edf5936b50c5fa3d4edd06f6b4e1b18 [2021-11-20 05:59:23,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:59:23,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:59:23,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:59:23,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:59:23,464 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:59:23,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2021-11-20 05:59:23,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data/3cc6f89f9/4a9d1e4be18747228bdf825546e86414/FLAG9f282c91c [2021-11-20 05:59:23,964 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:59:23,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2021-11-20 05:59:23,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data/3cc6f89f9/4a9d1e4be18747228bdf825546e86414/FLAG9f282c91c [2021-11-20 05:59:24,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data/3cc6f89f9/4a9d1e4be18747228bdf825546e86414 [2021-11-20 05:59:24,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:59:24,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:59:24,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:59:24,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:59:24,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:59:24,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32db2fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24, skipping insertion in model container [2021-11-20 05:59:24,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:59:24,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:59:24,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c[5582,5595] [2021-11-20 05:59:24,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:59:24,660 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:59:24,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c[5582,5595] [2021-11-20 05:59:24,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:59:24,721 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:59:24,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24 WrapperNode [2021-11-20 05:59:24,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:59:24,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:59:24,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:59:24,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:59:24,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,773 INFO L137 Inliner]: procedures = 20, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2021-11-20 05:59:24,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:59:24,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:59:24,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:59:24,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:59:24,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:59:24,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:59:24,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:59:24,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:59:24,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (1/1) ... [2021-11-20 05:59:24,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:59:24,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:59:24,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:59:24,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:59:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:59:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:59:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:59:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 05:59:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:59:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 05:59:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-20 05:59:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-20 05:59:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:59:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:59:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:59:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 05:59:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-11-20 05:59:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-11-20 05:59:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:59:25,071 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:59:25,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:59:25,543 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:59:25,551 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:59:25,551 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-20 05:59:25,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:25 BoogieIcfgContainer [2021-11-20 05:59:25,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:59:25,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:59:25,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:59:25,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:59:25,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:59:24" (1/3) ... [2021-11-20 05:59:25,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349788e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:59:25, skipping insertion in model container [2021-11-20 05:59:25,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:24" (2/3) ... [2021-11-20 05:59:25,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349788e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:59:25, skipping insertion in model container [2021-11-20 05:59:25,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:25" (3/3) ... [2021-11-20 05:59:25,561 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684a.c [2021-11-20 05:59:25,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:59:25,567 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:59:25,646 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:59:25,654 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:59:25,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:59:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 05:59:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 05:59:25,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:25,696 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:25,697 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:25,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:25,702 INFO L85 PathProgramCache]: Analyzing trace with hash -540288573, now seen corresponding path program 1 times [2021-11-20 05:59:25,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:59:25,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101347288] [2021-11-20 05:59:25,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:25,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:59:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:25,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:59:25,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101347288] [2021-11-20 05:59:25,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101347288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:25,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:25,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:59:25,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995348049] [2021-11-20 05:59:25,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:25,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:59:25,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:59:25,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:59:25,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:59:25,889 INFO L87 Difference]: Start difference. First operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:59:25,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:25,922 INFO L93 Difference]: Finished difference Result 190 states and 308 transitions. [2021-11-20 05:59:25,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:59:25,924 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-20 05:59:25,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:25,932 INFO L225 Difference]: With dead ends: 190 [2021-11-20 05:59:25,932 INFO L226 Difference]: Without dead ends: 92 [2021-11-20 05:59:25,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:59:25,940 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:25,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:59:25,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-20 05:59:25,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-20 05:59:25,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 05:59:25,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-11-20 05:59:25,984 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 14 [2021-11-20 05:59:25,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:25,985 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-11-20 05:59:25,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:59:25,985 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-11-20 05:59:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 05:59:25,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:25,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:25,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:59:25,987 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:25,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1209401097, now seen corresponding path program 1 times [2021-11-20 05:59:25,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:59:25,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165324474] [2021-11-20 05:59:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:25,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:59:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:59:26,113 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:59:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:59:26,257 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:59:26,260 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:59:26,262 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:59:26,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:59:26,269 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 05:59:26,272 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:59:26,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:59:26 BoogieIcfgContainer [2021-11-20 05:59:26,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:59:26,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:59:26,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:59:26,311 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:59:26,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:25" (3/4) ... [2021-11-20 05:59:26,315 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:59:26,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:59:26,316 INFO L158 Benchmark]: Toolchain (without parser) took 1972.44ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 59.8MB in the beginning and 75.7MB in the end (delta: -15.8MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-11-20 05:59:26,316 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:59:26,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.69ms. Allocated memory is still 90.2MB. Free memory was 59.5MB in the beginning and 62.2MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:59:26,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.12ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 59.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:59:26,318 INFO L158 Benchmark]: Boogie Preprocessor took 47.41ms. Allocated memory is still 90.2MB. Free memory was 59.9MB in the beginning and 57.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:59:26,319 INFO L158 Benchmark]: RCFGBuilder took 730.56ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 57.5MB in the beginning and 81.6MB in the end (delta: -24.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-20 05:59:26,320 INFO L158 Benchmark]: TraceAbstraction took 755.55ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 75.7MB in the end (delta: 5.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-20 05:59:26,320 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 111.1MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:59:26,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.69ms. Allocated memory is still 90.2MB. Free memory was 59.5MB in the beginning and 62.2MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.12ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 59.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.41ms. Allocated memory is still 90.2MB. Free memory was 59.9MB in the beginning and 57.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.56ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 57.5MB in the beginning and 81.6MB in the end (delta: -24.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 755.55ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 75.7MB in the end (delta: 5.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 111.1MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 246]: 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 245, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, 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={4:0}, atanlo_atan={5:0}, 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] [L236] float x = __VERIFIER_nondet_float(); [L237] float y = 1.0f / 0.0f; [L240] CALL isfinite_float(x) [L219] __int32_t ix; VAL [\old(x)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); VAL [\old(x)=1000000000000000000000000000002, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, ix=2139095039, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, zero_atan2=0] [L240] RET isfinite_float(x) [L240] COND TRUE isfinite_float(x) [L242] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, 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 [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, 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 [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L242] RET, EXPR __ieee754_atan2f(y, x) [L242] float res = __ieee754_atan2f(y, x); [L245] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L246] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 136 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 05:59:26,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efede14cec67ae8cef21ecac6898298c5edf5936b50c5fa3d4edd06f6b4e1b18 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:59:28,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:59:28,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:59:28,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:59:28,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:59:28,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:59:28,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:59:28,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:59:28,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:59:28,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:59:28,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:59:28,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:59:28,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:59:28,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:59:28,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:59:28,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:59:28,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:59:28,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:59:28,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:59:28,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:59:28,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:59:28,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:59:28,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:59:28,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:59:28,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:59:28,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:59:28,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:59:28,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:59:28,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:59:28,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:59:28,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:59:28,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:59:28,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:59:28,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:59:28,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:59:28,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:59:28,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:59:28,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:59:28,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:59:28,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:59:28,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:59:28,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 05:59:28,894 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:59:28,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:59:28,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:59:28,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:59:28,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:59:28,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:59:28,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:59:28,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:59:28,898 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:59:28,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:59:28,899 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:59:28,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:59:28,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:59:28,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:59:28,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:59:28,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:59:28,900 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 05:59:28,901 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 05:59:28,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 05:59:28,901 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:59:28,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:59:28,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:59:28,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:59:28,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:59:28,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:59:28,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:59:28,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:59:28,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:59:28,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:59:28,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:59:28,904 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 05:59:28,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 05:59:28,904 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:59:28,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:59:28,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:59:28,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:59:28,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 05:59:28,906 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_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efede14cec67ae8cef21ecac6898298c5edf5936b50c5fa3d4edd06f6b4e1b18 [2021-11-20 05:59:29,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:59:29,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:59:29,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:59:29,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:59:29,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:59:29,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2021-11-20 05:59:29,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data/2eebc1a23/1af2f03e85014c499fb02672936ce2fc/FLAGaa67dd4d3 [2021-11-20 05:59:29,839 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:59:29,840 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c [2021-11-20 05:59:29,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data/2eebc1a23/1af2f03e85014c499fb02672936ce2fc/FLAGaa67dd4d3 [2021-11-20 05:59:30,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/data/2eebc1a23/1af2f03e85014c499fb02672936ce2fc [2021-11-20 05:59:30,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:59:30,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:59:30,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:59:30,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:59:30,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:59:30,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274dd0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30, skipping insertion in model container [2021-11-20 05:59:30,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:59:30,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:59:30,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c[5582,5595] [2021-11-20 05:59:30,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:59:30,539 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:59:30,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/sv-benchmarks/c/float-newlib/float_req_bl_0684a.c[5582,5595] [2021-11-20 05:59:30,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:59:30,665 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:59:30,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30 WrapperNode [2021-11-20 05:59:30,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:59:30,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:59:30,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:59:30,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:59:30,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,757 INFO L137 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2021-11-20 05:59:30,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:59:30,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:59:30,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:59:30,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:59:30,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:59:30,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:59:30,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:59:30,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:59:30,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (1/1) ... [2021-11-20 05:59:30,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:59:30,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:59:30,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:59:30,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:59:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:59:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-20 05:59:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 05:59:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:59:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-20 05:59:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-20 05:59:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-20 05:59:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 05:59:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:59:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:59:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-20 05:59:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-11-20 05:59:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-11-20 05:59:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 05:59:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:59:31,082 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:59:31,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:59:40,474 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:59:40,484 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:59:40,484 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-20 05:59:40,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:40 BoogieIcfgContainer [2021-11-20 05:59:40,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:59:40,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:59:40,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:59:40,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:59:40,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:59:30" (1/3) ... [2021-11-20 05:59:40,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1429e41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:59:40, skipping insertion in model container [2021-11-20 05:59:40,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:30" (2/3) ... [2021-11-20 05:59:40,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1429e41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:59:40, skipping insertion in model container [2021-11-20 05:59:40,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:40" (3/3) ... [2021-11-20 05:59:40,496 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684a.c [2021-11-20 05:59:40,501 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:59:40,502 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:59:40,550 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:59:40,557 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:59:40,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:59:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 05:59:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 05:59:40,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:40,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:40,582 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash -540288573, now seen corresponding path program 1 times [2021-11-20 05:59:40,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:59:40,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236413243] [2021-11-20 05:59:40,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:40,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:59:40,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:59:40,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:59:40,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 05:59:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:41,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 05:59:41,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:59:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:41,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:59:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:41,740 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:59:41,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236413243] [2021-11-20 05:59:41,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236413243] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:41,741 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:41,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 05:59:41,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307429713] [2021-11-20 05:59:41,744 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:41,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:59:41,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:59:41,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:59:41,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:59:41,788 INFO L87 Difference]: Start difference. First operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:59:41,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:41,846 INFO L93 Difference]: Finished difference Result 190 states and 308 transitions. [2021-11-20 05:59:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:59:41,848 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-20 05:59:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:41,855 INFO L225 Difference]: With dead ends: 190 [2021-11-20 05:59:41,855 INFO L226 Difference]: Without dead ends: 92 [2021-11-20 05:59:41,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:59:41,861 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:41,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:59:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-20 05:59:41,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-20 05:59:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 05:59:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-11-20 05:59:41,902 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 14 [2021-11-20 05:59:41,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:41,903 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-11-20 05:59:41,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:59:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-11-20 05:59:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 05:59:41,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:41,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:41,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:59:42,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:59:42,116 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:42,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:42,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1209401097, now seen corresponding path program 1 times [2021-11-20 05:59:42,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:59:42,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042274120] [2021-11-20 05:59:42,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:42,118 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:59:42,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:59:42,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:59:42,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 05:59:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:43,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-20 05:59:43,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:59:43,203 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 28 treesize of output 24 [2021-11-20 05:59:44,514 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-20 05:59:44,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 42 [2021-11-20 05:59:45,386 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 05:59:45,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 26 [2021-11-20 05:59:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:46,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:59:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:50,924 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:59:50,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042274120] [2021-11-20 05:59:50,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042274120] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:50,925 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:50,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2021-11-20 05:59:50,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446876973] [2021-11-20 05:59:50,925 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:50,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 05:59:50,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:59:50,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 05:59:50,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-20 05:59:50,928 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 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) [2021-11-20 05:59:50,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:50,969 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2021-11-20 05:59:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 05:59:50,969 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 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 17 [2021-11-20 05:59:50,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:50,971 INFO L225 Difference]: With dead ends: 96 [2021-11-20 05:59:50,971 INFO L226 Difference]: Without dead ends: 92 [2021-11-20 05:59:50,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-20 05:59:50,973 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:50,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1596 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 70 Unchecked, 0.0s Time] [2021-11-20 05:59:50,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-20 05:59:50,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-20 05:59:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 85 states have internal predecessors, (122), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 05:59:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2021-11-20 05:59:50,987 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 17 [2021-11-20 05:59:50,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:50,987 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2021-11-20 05:59:50,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 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) [2021-11-20 05:59:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2021-11-20 05:59:50,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 05:59:50,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:50,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:51,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:59:51,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:59:51,212 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:51,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:51,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1450439137, now seen corresponding path program 1 times [2021-11-20 05:59:51,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:59:51,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482992003] [2021-11-20 05:59:51,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:51,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:59:51,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:59:51,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:59:51,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 05:59:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:52,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 05:59:52,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:59:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:52,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:59:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:53,390 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:59:53,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482992003] [2021-11-20 05:59:53,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482992003] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:53,390 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:53,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 05:59:53,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171295563] [2021-11-20 05:59:53,391 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:53,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 05:59:53,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:59:53,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 05:59:53,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:59:53,393 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:59:53,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:53,413 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions. [2021-11-20 05:59:53,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:59:53,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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 22 [2021-11-20 05:59:53,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:53,416 INFO L225 Difference]: With dead ends: 112 [2021-11-20 05:59:53,416 INFO L226 Difference]: Without dead ends: 107 [2021-11-20 05:59:53,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:59:53,418 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 118 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:53,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 682 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-11-20 05:59:53,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-20 05:59:53,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 92. [2021-11-20 05:59:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.423529411764706) internal successors, (121), 85 states have internal predecessors, (121), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 05:59:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-11-20 05:59:53,433 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 22 [2021-11-20 05:59:53,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:53,433 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-11-20 05:59:53,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:59:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-11-20 05:59:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 05:59:53,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:53,435 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:53,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:59:53,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:59:53,660 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:53,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:53,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1452286179, now seen corresponding path program 1 times [2021-11-20 05:59:53,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:59:53,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868076198] [2021-11-20 05:59:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:53,661 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:59:53,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:59:53,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:59:53,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 05:59:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:54,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 05:59:54,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:59:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:55,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:59:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:59:58,834 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:59:58,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868076198] [2021-11-20 05:59:58,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868076198] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:58,835 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:58,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-20 05:59:58,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626982946] [2021-11-20 05:59:58,835 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:58,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 05:59:58,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:59:58,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 05:59:58,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:59:58,836 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:02,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:06,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:08,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:10,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:13,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:15,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:17,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:18,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:00:18,992 INFO L93 Difference]: Finished difference Result 99 states and 136 transitions. [2021-11-20 06:00:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:00:18,993 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 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 22 [2021-11-20 06:00:18,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:00:18,995 INFO L225 Difference]: With dead ends: 99 [2021-11-20 06:00:18,996 INFO L226 Difference]: Without dead ends: 93 [2021-11-20 06:00:18,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:00:18,997 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 203 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:00:18,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 541 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 222 Invalid, 3 Unknown, 0 Unchecked, 19.0s Time] [2021-11-20 06:00:19,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-20 06:00:19,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2021-11-20 06:00:19,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:00:19,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2021-11-20 06:00:19,012 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 126 transitions. Word has length 22 [2021-11-20 06:00:19,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:00:19,013 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-11-20 06:00:19,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:19,013 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2021-11-20 06:00:19,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 06:00:19,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:00:19,015 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:00:19,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:00:19,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:00:19,230 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:00:19,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:00:19,231 INFO L85 PathProgramCache]: Analyzing trace with hash -947623069, now seen corresponding path program 1 times [2021-11-20 06:00:19,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:00:19,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963236332] [2021-11-20 06:00:19,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:00:19,232 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:00:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:00:19,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:00:19,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 06:00:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:00:20,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:00:20,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:00:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:00:20,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:00:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:00:21,661 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:00:21,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963236332] [2021-11-20 06:00:21,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963236332] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:00:21,661 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:00:21,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 06:00:21,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487564747] [2021-11-20 06:00:21,662 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:00:21,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:00:21,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:00:21,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:00:21,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:00:21,664 INFO L87 Difference]: Start difference. First operand 90 states and 126 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:21,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:00:21,877 INFO L93 Difference]: Finished difference Result 181 states and 253 transitions. [2021-11-20 06:00:21,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:00:21,879 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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 22 [2021-11-20 06:00:21,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:00:21,881 INFO L225 Difference]: With dead ends: 181 [2021-11-20 06:00:21,881 INFO L226 Difference]: Without dead ends: 109 [2021-11-20 06:00:21,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:00:21,884 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 41 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:00:21,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 1151 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 27 Unchecked, 0.2s Time] [2021-11-20 06:00:21,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-20 06:00:21,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 84. [2021-11-20 06:00:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:00:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2021-11-20 06:00:21,906 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 22 [2021-11-20 06:00:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:00:21,906 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2021-11-20 06:00:21,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2021-11-20 06:00:21,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 06:00:21,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:00:21,908 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:00:21,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:00:22,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:00:22,111 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:00:22,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:00:22,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1672952196, now seen corresponding path program 1 times [2021-11-20 06:00:22,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:00:22,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250592601] [2021-11-20 06:00:22,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:00:22,112 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:00:22,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:00:22,115 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:00:22,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 06:00:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:00:23,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 06:00:23,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:00:23,092 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 28 treesize of output 24 [2021-11-20 06:00:23,879 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 37 treesize of output 21 [2021-11-20 06:00:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:00:25,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:00:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:00:27,158 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:00:27,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250592601] [2021-11-20 06:00:27,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250592601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:00:27,159 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:00:27,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-11-20 06:00:27,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923645740] [2021-11-20 06:00:27,159 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:00:27,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 06:00:27,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:00:27,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 06:00:27,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:00:27,160 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:27,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:00:27,369 INFO L93 Difference]: Finished difference Result 141 states and 190 transitions. [2021-11-20 06:00:27,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:00:27,370 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 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 23 [2021-11-20 06:00:27,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:00:27,372 INFO L225 Difference]: With dead ends: 141 [2021-11-20 06:00:27,372 INFO L226 Difference]: Without dead ends: 77 [2021-11-20 06:00:27,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:00:27,374 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 9 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:00:27,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 823 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 29 Unchecked, 0.0s Time] [2021-11-20 06:00:27,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-20 06:00:27,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2021-11-20 06:00:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:00:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2021-11-20 06:00:27,386 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 23 [2021-11-20 06:00:27,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:00:27,386 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2021-11-20 06:00:27,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2021-11-20 06:00:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 06:00:27,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:00:27,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:00:27,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:00:27,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:00:27,612 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:00:27,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:00:27,612 INFO L85 PathProgramCache]: Analyzing trace with hash 791814228, now seen corresponding path program 1 times [2021-11-20 06:00:27,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:00:27,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256226616] [2021-11-20 06:00:27,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:00:27,613 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:00:27,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:00:27,614 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:00:27,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 06:00:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:00:28,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:00:28,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:00:29,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:00:29,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:00:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:00:29,659 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:00:29,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256226616] [2021-11-20 06:00:29,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256226616] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:00:29,660 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:00:29,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 06:00:29,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188350027] [2021-11-20 06:00:29,661 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:00:29,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:00:29,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:00:29,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:00:29,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:00:29,663 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:29,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:00:29,670 INFO L93 Difference]: Finished difference Result 93 states and 116 transitions. [2021-11-20 06:00:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:00:29,670 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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 24 [2021-11-20 06:00:29,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:00:29,672 INFO L225 Difference]: With dead ends: 93 [2021-11-20 06:00:29,672 INFO L226 Difference]: Without dead ends: 88 [2021-11-20 06:00:29,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:00:29,673 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 48 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:00:29,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 427 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2021-11-20 06:00:29,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-20 06:00:29,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 73. [2021-11-20 06:00:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 66 states have internal predecessors, (85), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:00:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2021-11-20 06:00:29,696 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 24 [2021-11-20 06:00:29,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:00:29,697 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2021-11-20 06:00:29,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2021-11-20 06:00:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 06:00:29,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:00:29,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:00:29,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:00:29,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:00:29,924 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:00:29,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:00:29,924 INFO L85 PathProgramCache]: Analyzing trace with hash 793661270, now seen corresponding path program 1 times [2021-11-20 06:00:29,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:00:29,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869090081] [2021-11-20 06:00:29,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:00:29,925 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:00:29,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:00:29,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:00:29,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 06:00:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:00:30,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:00:30,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:00:32,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:00:32,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:00:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:00:36,464 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:00:36,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869090081] [2021-11-20 06:00:36,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869090081] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:00:36,464 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:00:36,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-20 06:00:36,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155770571] [2021-11-20 06:00:36,464 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:00:36,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:00:36,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:00:36,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:00:36,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:00:36,465 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:39,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:43,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:45,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:48,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:49,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:51,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:53,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:56,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:58,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:00:58,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:00:58,974 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2021-11-20 06:00:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:00:58,975 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 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 24 [2021-11-20 06:00:58,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:00:58,976 INFO L225 Difference]: With dead ends: 80 [2021-11-20 06:00:58,976 INFO L226 Difference]: Without dead ends: 74 [2021-11-20 06:00:58,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:00:58,977 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 67 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:00:58,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 272 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 5 Unknown, 0 Unchecked, 21.2s Time] [2021-11-20 06:00:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-20 06:00:58,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2021-11-20 06:00:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.28125) internal successors, (82), 64 states have internal predecessors, (82), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-20 06:00:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2021-11-20 06:00:58,987 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 24 [2021-11-20 06:00:58,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:00:58,988 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2021-11-20 06:00:58,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:00:58,988 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-11-20 06:00:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 06:00:58,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:00:58,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:00:59,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:00:59,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:00:59,204 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:00:59,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:00:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1553945203, now seen corresponding path program 1 times [2021-11-20 06:00:59,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:00:59,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445851821] [2021-11-20 06:00:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:00:59,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:00:59,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:00:59,205 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:00:59,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 06:01:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:00,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:01:00,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:00,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:01:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:01,725 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:01:01,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445851821] [2021-11-20 06:01:01,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445851821] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:01,725 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:01,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 06:01:01,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602908931] [2021-11-20 06:01:01,726 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:01,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:01:01,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:01:01,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:01:01,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:01:01,728 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:01,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:01:01,831 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2021-11-20 06:01:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:01:01,832 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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 25 [2021-11-20 06:01:01,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:01:01,833 INFO L225 Difference]: With dead ends: 105 [2021-11-20 06:01:01,833 INFO L226 Difference]: Without dead ends: 51 [2021-11-20 06:01:01,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:01:01,835 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:01:01,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 455 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2021-11-20 06:01:01,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-20 06:01:01,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-20 06:01:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:01:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2021-11-20 06:01:01,842 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 25 [2021-11-20 06:01:01,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:01:01,842 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2021-11-20 06:01:01,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:01:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2021-11-20 06:01:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 06:01:01,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:01:01,844 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:01:01,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:02,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:01:02,059 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:01:02,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:02,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1512113405, now seen corresponding path program 1 times [2021-11-20 06:01:02,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:01:02,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247297300] [2021-11-20 06:01:02,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:02,061 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:01:02,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:01:02,062 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:01:02,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 06:01:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:03,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:01:03,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:03,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:01:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:06,050 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:01:06,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247297300] [2021-11-20 06:01:06,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247297300] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:06,051 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:06,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 06:01:06,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010489923] [2021-11-20 06:01:06,051 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:06,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:01:06,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:01:06,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:01:06,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:01:06,052 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:01:08,848 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:01:10,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:01:12,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:01:14,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:01:17,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:01:19,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:01:19,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:01:19,357 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2021-11-20 06:01:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:01:19,397 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2021-11-20 06:01:19,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:01:19,398 INFO L225 Difference]: With dead ends: 58 [2021-11-20 06:01:19,398 INFO L226 Difference]: Without dead ends: 51 [2021-11-20 06:01:19,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:01:19,399 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 8 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:01:19,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 454 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 3 Unknown, 46 Unchecked, 13.0s Time] [2021-11-20 06:01:19,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-20 06:01:19,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-20 06:01:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 states have internal predecessors, (56), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:01:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2021-11-20 06:01:19,404 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 28 [2021-11-20 06:01:19,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:01:19,405 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2021-11-20 06:01:19,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:01:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-20 06:01:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 06:01:19,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:01:19,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:01:19,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:19,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:01:19,612 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:01:19,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:19,612 INFO L85 PathProgramCache]: Analyzing trace with hash 868682631, now seen corresponding path program 1 times [2021-11-20 06:01:19,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:01:19,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620930695] [2021-11-20 06:01:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:19,613 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:01:19,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:01:19,614 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:01:19,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 06:01:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:20,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-20 06:01:20,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:21,670 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-20 06:01:21,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 80 [2021-11-20 06:01:21,949 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-11-20 06:01:21,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 100 [2021-11-20 06:01:23,361 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-20 06:01:23,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 123 treesize of output 101 [2021-11-20 06:01:23,657 INFO L354 Elim1Store]: treesize reduction 73, result has 25.5 percent of original size [2021-11-20 06:01:23,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 112 treesize of output 127 [2021-11-20 06:01:24,577 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-20 06:01:24,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 126 treesize of output 104 [2021-11-20 06:01:24,939 INFO L354 Elim1Store]: treesize reduction 73, result has 25.5 percent of original size [2021-11-20 06:01:24,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 115 treesize of output 130 [2021-11-20 06:01:26,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2021-11-20 06:01:35,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 208 [2021-11-20 06:01:35,909 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-11-20 06:01:35,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 208 treesize of output 216 [2021-11-20 06:01:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:39,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:01:44,610 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (or (fp.eq (let ((.cse1 (store |c_#memory_int| |v_atan_float_~#gf_u~1.base_18| (store (select |c_#memory_int| |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) c_~pi_o_2~0) (not (= (_ bv0 1) (select |c_#valid| |v_atan_float_~#gf_u~1.base_18|))))) is different from false [2021-11-20 06:01:47,159 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_atan_float_~#gf_u~1.base_18|)) (not (fp.eq (let ((.cse1 (store |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_18| (store (select |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) c_~pi_o_2~0)))) (fp.eq |c_atan_float_#res| c_~pi_o_2~0)) is different from true [2021-11-20 06:01:51,365 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_atan_float_~#gf_u~1.base_18|)) (not (fp.eq (let ((.cse1 (store |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_18| (store (select |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) c_~pi_o_2~0)))) (fp.eq (fp.add c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse4 (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) c_~pi_o_2~0)) is different from true [2021-11-20 06:01:59,755 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_atan_float_~#gf_u~1.base_12| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_31| (_ BitVec 32))) (or (fp.eq (let ((.cse1 (store |c_#memory_int| |v_atan_float_~#gf_u~1.base_12| (store (select |c_#memory_int| |v_atan_float_~#gf_u~1.base_12|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_31|)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) c_~pi_o_2~0) (not (= (_ bv0 1) (select |c_#valid| |v_atan_float_~#gf_u~1.base_12|))))) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_atan_float_~#gf_u~1.base_18|)) (not (fp.eq (let ((.cse4 (store |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_18| (store (select |c_old(#memory_int)| |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|)))) (fp.add c_currentRoundingMode (let ((.cse3 (select (select .cse4 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse5 (select (select .cse4 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) c_~pi_o_2~0))))) is different from true [2021-11-20 06:02:06,140 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_30| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|))) (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_18|)))) (fp.eq (let ((.cse1 (let ((.cse3 (store |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (store (select |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_30|)))) (store .cse3 |v_atan_float_~#gf_u~1.base_18| (store (select .cse3 |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|))))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) c_~pi_o_2~0))) is different from false [2021-11-20 06:02:13,998 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_29| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (let ((.cse5 (store |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (_ bv0 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26|))) (fp.eq (let ((.cse1 (let ((.cse3 (let ((.cse4 (store |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (store (select |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_29|)))) (store .cse4 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (store (select .cse4 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_30|))))) (store .cse3 |v_atan_float_~#gf_u~1.base_18| (store (select .cse3 |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|))))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) c_~pi_o_2~0) (not (= (_ bv0 1) (bvneg (bvneg (select .cse5 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|))))) (not (= (_ bv0 1) (bvneg (select (store .cse5 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_18|))))))) is different from false [2021-11-20 06:02:33,265 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_29| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_28| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (let ((.cse7 (store |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ bv0 1)))) (let ((.cse0 (store .cse7 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (_ bv0 1)))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select .cse0 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|))) (fp.eq (let ((.cse2 (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (store (select |c_#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_28|)))) (store .cse6 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (store (select .cse6 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_29|))))) (store .cse5 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (store (select .cse5 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_30|))))) (store .cse4 |v_atan_float_~#gf_u~1.base_18| (store (select .cse4 |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|))))) (fp.add c_currentRoundingMode (let ((.cse1 (select (select .cse2 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse3 (select (select .cse2 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) c_~pi_o_2~0) (not (= (_ bv0 1) (bvneg (bvneg (select (store .cse0 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_18|))))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select .cse7 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26|)))))))))) is different from false [2021-11-20 06:02:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:02:38,873 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:02:38,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620930695] [2021-11-20 06:02:38,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620930695] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:02:38,874 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:02:38,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 11] imperfect sequences [] total 19 [2021-11-20 06:02:38,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13391506] [2021-11-20 06:02:38,874 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:02:38,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 06:02:38,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:02:38,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 06:02:38,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=134, Unknown=8, NotChecked=196, Total=380 [2021-11-20 06:02:38,875 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 20 states, 20 states have (on average 2.65) internal successors, (53), 17 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:02:41,259 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv4 32) |c_~#atanhi_atan~0.base|) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse1)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse1 (select |c_#valid| (_ bv4 32))))))) (= c_~pi_o_2~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse2 (select (select |c_#memory_int| |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse3 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |c_#valid| (_ bv5 32)) .cse3)) (= (_ bv0 1) (bvadd (bvneg .cse3) (_ bv1 1)))))) (forall ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_29| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (let ((.cse9 (store |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (_ bv0 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26|))) (fp.eq (let ((.cse5 (let ((.cse7 (let ((.cse8 (store |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26| (store (select |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_26|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_29|)))) (store .cse8 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (store (select .cse8 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_30|))))) (store .cse7 |v_atan_float_~#gf_u~1.base_18| (store (select .cse7 |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|))))) (fp.add c_currentRoundingMode (let ((.cse4 (select (select .cse5 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (let ((.cse6 (select (select .cse5 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) c_~pi_o_2~0) (not (= (_ bv0 1) (bvneg (bvneg (select .cse9 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|))))) (not (= (_ bv0 1) (bvneg (select (store .cse9 |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_18|)))))))) is different from false [2021-11-20 06:02:43,330 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_skolemized_q#valueAsBitvector_30| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|))) (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (_ bv0 1)) |v_atan_float_~#gf_u~1.base_18|)))) (fp.eq (let ((.cse1 (let ((.cse3 (store |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29| (store (select |c_#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~3#1.base_29|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_30|)))) (store .cse3 |v_atan_float_~#gf_u~1.base_18| (store (select .cse3 |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|))))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) c_~pi_o_2~0))) (= |c_~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse4 (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (= (_ bv4 32) |c_~#atanhi_atan~0.base|) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse5 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse5)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse5 (select |c_#valid| (_ bv4 32))))))) (= c_~pi_o_2~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse6 (select (select |c_#memory_int| |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse7 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |c_#valid| (_ bv5 32)) .cse7)) (= (_ bv0 1) (bvadd (bvneg .cse7) (_ bv1 1))))))) is different from false [2021-11-20 06:02:45,502 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 32)) (|v_atan_float_~#gf_u~1.base_18| (_ BitVec 32))) (or (fp.eq (let ((.cse1 (store |c_#memory_int| |v_atan_float_~#gf_u~1.base_18| (store (select |c_#memory_int| |v_atan_float_~#gf_u~1.base_18|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_34|)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select .cse1 |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select (select .cse1 |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) c_~pi_o_2~0) (not (= (_ bv0 1) (select |c_#valid| |v_atan_float_~#gf_u~1.base_18|))))) (= |c_~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse3 (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (= (_ bv4 32) |c_~#atanhi_atan~0.base|) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse4 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse4)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse4 (select |c_#valid| (_ bv4 32))))))) (= c_~pi_o_2~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse5 (select (select |c_#memory_int| |c_~#atanhi_atan~0.base|) (bvadd |c_~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5)))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse6 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |c_#valid| (_ bv5 32)) .cse6)) (= (_ bv0 1) (bvadd (bvneg .cse6) (_ bv1 1))))))) is different from false [2021-11-20 06:02:59,594 WARN L227 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 76 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:03:17,869 WARN L227 SmtUtils]: Spent 12.80s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:03:19,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:21,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:24,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:26,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:28,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:30,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:30,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:03:30,586 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2021-11-20 06:03:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:03:30,629 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.65) internal successors, (53), 17 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2021-11-20 06:03:30,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:03:30,630 INFO L225 Difference]: With dead ends: 60 [2021-11-20 06:03:30,630 INFO L226 Difference]: Without dead ends: 53 [2021-11-20 06:03:30,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 64.9s TimeCoverageRelationStatistics Valid=56, Invalid=180, Unknown=14, NotChecked=350, Total=600 [2021-11-20 06:03:30,631 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 281 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:03:30,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 312 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 6 Unknown, 281 Unchecked, 12.8s Time] [2021-11-20 06:03:30,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-20 06:03:30,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2021-11-20 06:03:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 46 states have internal predecessors, (55), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:03:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2021-11-20 06:03:30,640 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 29 [2021-11-20 06:03:30,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:03:30,641 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2021-11-20 06:03:30,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.65) internal successors, (53), 17 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:03:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-11-20 06:03:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 06:03:30,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:03:30,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:03:30,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-20 06:03:30,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:03:30,856 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:03:30,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:03:30,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1756186312, now seen corresponding path program 1 times [2021-11-20 06:03:30,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:03:30,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651599555] [2021-11-20 06:03:30,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:03:30,856 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:03:30,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:03:30,857 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:03:30,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 06:03:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:31,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:03:31,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:03:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:03:32,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:03:34,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:03:34,800 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:03:34,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651599555] [2021-11-20 06:03:34,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651599555] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:03:34,801 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:03:34,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-20 06:03:34,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007411219] [2021-11-20 06:03:34,801 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:03:34,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:03:34,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:03:34,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:03:34,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:03:34,802 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:03:37,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:37,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:03:37,626 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2021-11-20 06:03:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:03:37,765 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2021-11-20 06:03:37,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:03:37,766 INFO L225 Difference]: With dead ends: 61 [2021-11-20 06:03:37,766 INFO L226 Difference]: Without dead ends: 52 [2021-11-20 06:03:37,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:03:37,767 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:03:37,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 260 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 36 Unchecked, 2.6s Time] [2021-11-20 06:03:37,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-20 06:03:37,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2021-11-20 06:03:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:03:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2021-11-20 06:03:37,775 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 29 [2021-11-20 06:03:37,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:03:37,775 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2021-11-20 06:03:37,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:03:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2021-11-20 06:03:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-20 06:03:37,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:03:37,776 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:03:37,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:03:37,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:03:37,977 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:03:37,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:03:37,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1197063290, now seen corresponding path program 1 times [2021-11-20 06:03:37,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:03:37,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730940589] [2021-11-20 06:03:37,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:03:37,978 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:03:37,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:03:37,979 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:03:37,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 06:03:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:38,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:03:38,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:03:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:03:39,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:03:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:03:42,418 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:03:42,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730940589] [2021-11-20 06:03:42,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730940589] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:03:42,419 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:03:42,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 06:03:42,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449030215] [2021-11-20 06:03:42,420 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:03:42,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:03:42,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:03:42,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:03:42,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:03:42,422 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:03:44,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:46,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:48,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:50,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:52,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:54,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:56,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:56,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:03:56,994 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2021-11-20 06:03:56,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:03:56,994 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2021-11-20 06:03:56,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:03:56,995 INFO L225 Difference]: With dead ends: 60 [2021-11-20 06:03:56,996 INFO L226 Difference]: Without dead ends: 46 [2021-11-20 06:03:56,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:03:57,005 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 35 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:03:57,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 383 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 46 Unchecked, 14.3s Time] [2021-11-20 06:03:57,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-20 06:03:57,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-20 06:03:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 41 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:03:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2021-11-20 06:03:57,011 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 30 [2021-11-20 06:03:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:03:57,011 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2021-11-20 06:03:57,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:03:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-20 06:03:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-20 06:03:57,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:03:57,012 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:03:57,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:03:57,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:03:57,222 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:03:57,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:03:57,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1144895001, now seen corresponding path program 1 times [2021-11-20 06:03:57,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:03:57,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098571538] [2021-11-20 06:03:57,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:03:57,223 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:03:57,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:03:57,224 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:03:57,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 06:03:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:59,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:03:59,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:04:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:04:00,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:04:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:04:04,708 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:04:04,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098571538] [2021-11-20 06:04:04,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098571538] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:04:04,708 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:04:04,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-20 06:04:04,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176905815] [2021-11-20 06:04:04,709 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:04:04,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:04:04,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:04:04,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:04:04,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:04:04,710 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:04:04,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:04:04,954 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-11-20 06:04:04,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:04:04,954 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 42 [2021-11-20 06:04:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:04:04,954 INFO L225 Difference]: With dead ends: 46 [2021-11-20 06:04:04,954 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:04:04,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:04:04,956 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 53 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:04:04,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 222 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 38 Unchecked, 0.0s Time] [2021-11-20 06:04:04,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:04:04,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:04:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:04:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:04:04,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-11-20 06:04:04,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:04:04,958 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:04:04,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:04:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:04:04,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:04:04,960 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:04:05,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:04:05,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:04:05,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:05:03,982 WARN L227 SmtUtils]: Spent 51.37s on a formula simplification. DAG size of input: 166 DAG size of output: 105 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:05:55,396 WARN L227 SmtUtils]: Spent 51.40s on a formula simplification. DAG size of input: 154 DAG size of output: 97 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-20 06:06:01,180 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2021-11-20 06:06:01,180 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2021-11-20 06:06:01,181 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2021-11-20 06:06:01,181 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-11-20 06:06:01,181 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-11-20 06:06:01,181 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-11-20 06:06:01,181 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-11-20 06:06:01,182 INFO L861 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2021-11-20 06:06:01,182 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-20 06:06:01,182 INFO L858 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-11-20 06:06:01,182 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:06:01,182 INFO L861 garLoopResultBuilder]: At program point L251(lines 229 252) the Hoare annotation is: true [2021-11-20 06:06:01,182 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-11-20 06:06:01,183 INFO L854 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (exists ((v_arrayElimCell_25 (_ BitVec 32)) (v_arrayElimCell_24 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_25) ((_ extract 30 23) v_arrayElimCell_25) ((_ extract 22 0) v_arrayElimCell_25))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_24) ((_ extract 30 23) v_arrayElimCell_24) ((_ extract 22 0) v_arrayElimCell_24)))) (and (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 75497894159.0 1000000000000000000.0)))) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 15707962513.0 10000000000.0)))) (= (fp.add roundNearestTiesToEven .cse1 .cse0) |ULTIMATE.start___ieee754_atan2f_#res#1|)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 06:06:01,183 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-11-20 06:06:01,183 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-11-20 06:06:01,183 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-11-20 06:06:01,183 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-11-20 06:06:01,183 INFO L858 garLoopResultBuilder]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2021-11-20 06:06:01,184 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-11-20 06:06:01,184 INFO L854 garLoopResultBuilder]: At program point L220-2(lines 220 224) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| (_ bv5 32)))) (_ bv1 1))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-20 06:06:01,184 INFO L858 garLoopResultBuilder]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2021-11-20 06:06:01,184 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-11-20 06:06:01,184 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-11-20 06:06:01,184 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-20 06:06:01,184 INFO L858 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-11-20 06:06:01,185 INFO L854 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= (_ bv4 32) |~#atanhi_atan~0.base|) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse1)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse1 (select |#valid| (_ bv4 32))))))) (= |ULTIMATE.start___ieee754_atan2f_~iy~0#1| (_ bv2139095040 32)) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (exists ((|ULTIMATE.start___ieee754_atan2f_~hx~1#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_atan2f_~ix~2#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_4) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse2 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse3 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |#valid| (_ bv5 32)) .cse3)) (= (_ bv0 1) (bvadd (bvneg .cse3) (_ bv1 1)))))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2021-11-20 06:06:01,185 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-11-20 06:06:01,185 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-11-20 06:06:01,185 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-11-20 06:06:01,185 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-20 06:06:01,186 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:06:01,186 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-11-20 06:06:01,186 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-11-20 06:06:01,186 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-20 06:06:01,187 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_atan2f_~x#1| (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (bvslt (bvand (_ bv2147483647 32) .cse1) (_ bv2139095040 32))))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse2 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse2)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse2 (select |#valid| (_ bv4 32))))))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse3 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse4 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |#valid| (_ bv5 32)) .cse4)) (= (_ bv0 1) (bvadd (bvneg .cse4) (_ bv1 1))))))) [2021-11-20 06:06:01,187 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-20 06:06:01,187 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 249) no Hoare annotation was computed. [2021-11-20 06:06:01,187 INFO L858 garLoopResultBuilder]: For program point L240-2(lines 240 249) no Hoare annotation was computed. [2021-11-20 06:06:01,188 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-11-20 06:06:01,188 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-20 06:06:01,188 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-11-20 06:06:01,188 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-11-20 06:06:01,188 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2021-11-20 06:06:01,189 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-11-20 06:06:01,189 INFO L854 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2021-11-20 06:06:01,189 INFO L858 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2021-11-20 06:06:01,189 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-11-20 06:06:01,190 INFO L854 garLoopResultBuilder]: At program point L226(lines 218 227) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14|) (_ bv0 32)))) (and (= |ULTIMATE.start_main_~x~0#1| (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse2 (bvslt (bvand (_ bv2147483647 32) .cse1) (_ bv2139095040 32)))) (or (and .cse2 (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32))) (and (not .cse2) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32)))))))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse3 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse3)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse3 (select |#valid| (_ bv4 32))))))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse4 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse5 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |#valid| (_ bv5 32)) .cse5)) (= (_ bv0 1) (bvadd (bvneg .cse5) (_ bv1 1))))))) [2021-11-20 06:06:01,190 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-11-20 06:06:01,190 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-20 06:06:01,190 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:06:01,190 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-11-20 06:06:01,190 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 248) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-20 06:06:01,191 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-11-20 06:06:01,192 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32))) (.cse2 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse1) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (bvslt (bvand (_ bv2147483647 32) .cse2) (_ bv2139095040 32))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= (_ bv4 32) |~#atanhi_atan~0.base|) (exists ((v_arrayElimCell_8 (_ BitVec 1))) (let ((.cse3 (bvneg v_arrayElimCell_8))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse3)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse3 (select |#valid| (_ bv4 32))))))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse4 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25|))) (exists ((v_arrayElimCell_9 (_ BitVec 1))) (let ((.cse5 (bvneg v_arrayElimCell_9))) (and (= (_ bv0 1) (bvadd (select |#valid| (_ bv5 32)) .cse5)) (= (_ bv0 1) (bvadd (bvneg .cse5) (_ bv1 1))))))) [2021-11-20 06:06:01,192 INFO L858 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-11-20 06:06:01,192 INFO L858 garLoopResultBuilder]: For program point L246(line 246) no Hoare annotation was computed. [2021-11-20 06:06:01,192 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-20 06:06:01,192 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-20 06:06:01,192 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:06:01,192 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 246) no Hoare annotation was computed. [2021-11-20 06:06:01,193 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-11-20 06:06:01,193 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-11-20 06:06:01,193 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-20 06:06:01,193 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-20 06:06:01,193 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-11-20 06:06:01,193 INFO L854 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (and (= |old(#valid)| |#valid|) (= |old(#memory_int)| |#memory_int|)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))))) [2021-11-20 06:06:01,193 INFO L858 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2021-11-20 06:06:01,193 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-11-20 06:06:01,193 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-11-20 06:06:01,194 INFO L854 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (and (= |old(#valid)| |#valid|) (= |atan_float_#in~x| atan_float_~x) (= |old(#memory_int)| |#memory_int|)) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))))) [2021-11-20 06:06:01,194 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-11-20 06:06:01,194 INFO L854 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (or (not (= (_ bv4 32) |~#atanhi_atan~0.base|)) (not (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= |~#atanlo_atan~0.base| (_ bv5 32))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))))) (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (not (bvsge (bvand (_ bv2147483647 32) atan_float_~hx~0) (_ bv1350565888 32))) (= |atan_float_#in~x| (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0))))) (= |atan_float_#in~x| atan_float_~x) (= |atan_float_#in~x| (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0))) (exists ((|v_atan_float_~#gf_u~1.base_12| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_31| (_ BitVec 32))) (and (= |#memory_int| (store |old(#memory_int)| |v_atan_float_~#gf_u~1.base_12| (store (select |old(#memory_int)| |v_atan_float_~#gf_u~1.base_12|) (_ bv0 32) |v_skolemized_q#valueAsBitvector_31|))) (= (_ bv0 1) (bvneg (bvneg (select |old(#valid)| |v_atan_float_~#gf_u~1.base_12|)))))))) [2021-11-20 06:06:01,194 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-11-20 06:06:01,194 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-11-20 06:06:01,194 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-11-20 06:06:01,195 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-11-20 06:06:01,195 INFO L858 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2021-11-20 06:06:01,195 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-11-20 06:06:01,195 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-11-20 06:06:01,195 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-11-20 06:06:01,196 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-20 06:06:01,196 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-11-20 06:06:01,196 INFO L858 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-11-20 06:06:01,196 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-11-20 06:06:01,196 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-11-20 06:06:01,197 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-11-20 06:06:01,201 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:01,203 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:06:01,215 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,216 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,217 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,219 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,222 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,223 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,223 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,223 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,239 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,239 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,239 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,246 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,249 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,250 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,250 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,250 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,251 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,251 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,251 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,251 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,252 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,252 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,252 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,253 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,262 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,262 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,263 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,263 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,263 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,272 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,273 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,280 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,281 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,281 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,281 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,284 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,284 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:06:01 BoogieIcfgContainer [2021-11-20 06:06:01,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:06:01,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:06:01,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:06:01,290 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:06:01,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:40" (3/4) ... [2021-11-20 06:06:01,294 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:06:01,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-11-20 06:06:01,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2021-11-20 06:06:01,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2021-11-20 06:06:01,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-20 06:06:01,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 06:06:01,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:06:01,345 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && x == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[5bv32])), 1bv1)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 06:06:01,345 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14 : bv32 :: x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][22:0]) && ((~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32]), 2139095040bv32) && \result == 1bv32) || (!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32]), 2139095040bv32) && \result == 0bv32)))) && 4bv32 == atanhi_atan) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8))), 1bv1) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[5bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(v_arrayElimCell_9)), 1bv1)) [2021-11-20 06:06:01,346 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5 : bv32 :: x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][22:0]) && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32]), 2139095040bv32))) && 4bv32 == atanhi_atan) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8))), 1bv1) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[5bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(v_arrayElimCell_9)), 1bv1)) [2021-11-20 06:06:01,346 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5 : bv32 :: (~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][22:0])) && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32]), 2139095040bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && 4bv32 == atanhi_atan) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8))), 1bv1) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[5bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(v_arrayElimCell_9)), 1bv1)) [2021-11-20 06:06:01,346 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)) && (\exists v_arrayElimCell_25 : bv32, v_arrayElimCell_24 : bv32 :: (~fp~LONGDOUBLE(v_arrayElimCell_24[31:31], v_arrayElimCell_24[30:23], v_arrayElimCell_24[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 75497894159/1000000000000000000)) && ~fp~LONGDOUBLE(v_arrayElimCell_25[31:31], v_arrayElimCell_25[30:23], v_arrayElimCell_25[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 15707962513/10000000000))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_arrayElimCell_25[31:31], v_arrayElimCell_25[30:23], v_arrayElimCell_25[22:0]), ~fp~LONGDOUBLE(v_arrayElimCell_24[31:31], v_arrayElimCell_24[30:23], v_arrayElimCell_24[22:0])) == \result)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-20 06:06:01,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(4bv32 == atanhi_atan) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)))) || ((\old(\valid) == \valid && \old(x) == x) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown)) || !(unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven)) || !(atanlo_atan == 5bv32)) || !(pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) [2021-11-20 06:06:01,396 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:06:01,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:06:01,397 INFO L158 Benchmark]: Toolchain (without parser) took 391157.36ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 44.5MB in the beginning and 56.4MB in the end (delta: -11.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-20 06:06:01,397 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:06:01,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.92ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 43.6MB in the end (delta: 575.5kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 06:06:01,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.32ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 41.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:06:01,398 INFO L158 Benchmark]: Boogie Preprocessor took 51.89ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 38.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:06:01,399 INFO L158 Benchmark]: RCFGBuilder took 9676.18ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 38.3MB in the beginning and 61.6MB in the end (delta: -23.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-20 06:06:01,399 INFO L158 Benchmark]: TraceAbstraction took 380799.90ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 63.7MB in the end (delta: -2.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-20 06:06:01,400 INFO L158 Benchmark]: Witness Printer took 106.63ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 56.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:06:01,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.92ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 43.6MB in the end (delta: 575.5kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.32ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 41.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.89ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 38.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9676.18ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 38.3MB in the beginning and 61.6MB in the end (delta: -23.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * TraceAbstraction took 380799.90ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 63.7MB in the end (delta: -2.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 106.63ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 56.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,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_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,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_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,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_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,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_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,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_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,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_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,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_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,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_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,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_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,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_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 246]: 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 3 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 380.7s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 126.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 116.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 21 mSolverCounterUnknown, 652 SdHoareTripleChecker+Valid, 83.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 644 mSDsluCounter, 7714 SdHoareTripleChecker+Invalid, 81.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 604 IncrementalHoareTripleChecker+Unchecked, 6552 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 377 IncrementalHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 1162 mSDtfsCounter, 377 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 530 SyntacticMatches, 13 SemanticMatches, 156 ConstructedPredicates, 10 IntricatePredicates, 1 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 85.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 70 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 46 PreInvPairs, 58 NumberOfFragments, 1072 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 2313 FormulaSimplificationTreeSizeReductionInter, 116.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 13.4s SatisfiabilityAnalysisTime, 120.9s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 674 ConstructedInterpolants, 361 QuantifiedInterpolants, 15772 SizeOfPredicates, 111 NumberOfNonLiveVariables, 1856 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant [2021-11-20 06:06:01,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,431 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,433 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14,QUANTIFIED] [2021-11-20 06:06:01,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,436 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] Derived loop invariant: ((((((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14 : bv32 :: x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32][22:0]) && ((~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32]), 2139095040bv32) && \result == 1bv32) || (!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_14][0bv32]), 2139095040bv32) && \result == 0bv32)))) && 4bv32 == atanhi_atan) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8))), 1bv1) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[5bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(v_arrayElimCell_9)), 1bv1)) - InvariantResult [Line: 124]: Loop Invariant [2021-11-20 06:06:01,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,441 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,441 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,441 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,441 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,442 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,443 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,446 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] Derived loop invariant: ((((((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5 : bv32 :: x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][22:0]) && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32]), 2139095040bv32))) && 4bv32 == atanhi_atan) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8))), 1bv1) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[5bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(v_arrayElimCell_9)), 1bv1)) - InvariantResult [Line: 120]: Loop Invariant [2021-11-20 06:06:01,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2021-11-20 06:06:01,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2021-11-20 06:06:01,456 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)) && (\exists v_arrayElimCell_25 : bv32, v_arrayElimCell_24 : bv32 :: (~fp~LONGDOUBLE(v_arrayElimCell_24[31:31], v_arrayElimCell_24[30:23], v_arrayElimCell_24[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 75497894159/1000000000000000000)) && ~fp~LONGDOUBLE(v_arrayElimCell_25[31:31], v_arrayElimCell_25[30:23], v_arrayElimCell_25[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 15707962513/10000000000))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_arrayElimCell_25[31:31], v_arrayElimCell_25[30:23], v_arrayElimCell_25[22:0]), ~fp~LONGDOUBLE(v_arrayElimCell_24[31:31], v_arrayElimCell_24[30:23], v_arrayElimCell_24[22:0])) == \result)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant [2021-11-20 06:06:01,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,459 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((!(4bv32 == atanhi_atan) || !(tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)))) || ((\old(\valid) == \valid && \old(x) == x) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown)) || !(unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven)) || !(atanlo_atan == 5bv32)) || !(pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) - InvariantResult [Line: 130]: Loop Invariant [2021-11-20 06:06:01,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,462 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,463 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-11-20 06:06:01,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5,QUANTIFIED] [2021-11-20 06:06:01,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-11-20 06:06:01,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25,QUANTIFIED] [2021-11-20 06:06:01,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] [2021-11-20 06:06:01,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_9,QUANTIFIED] Derived loop invariant: ((((((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5 : bv32 :: (~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32][22:0])) && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_5][0bv32]), 2139095040bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && 4bv32 == atanhi_atan) && (\exists v_arrayElimCell_8 : bv1 :: 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(v_arrayElimCell_8))), 1bv1) && 0bv1 == ~bvadd64(~bvneg32(v_arrayElimCell_8), \valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25 : bv32 :: 0bv1 == \valid[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_25])) && (\exists v_arrayElimCell_9 : bv1 :: 0bv1 == ~bvadd64(\valid[5bv32], ~bvneg32(v_arrayElimCell_9)) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(v_arrayElimCell_9)), 1bv1)) - InvariantResult [Line: 220]: Loop Invariant [2021-11-20 06:06:01,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-20 06:06:01,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-20 06:06:01,473 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)) && atanlo_atan == 5bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == y)) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[4bv32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && x == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[5bv32])), 1bv1)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-11-20 06:06:01,695 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 06:06:01,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c045db-f0d1-46b9-b235-a8201fd53f55/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE