./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:25:21,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:25:21,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:25:21,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:25:21,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:25:21,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:25:21,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:25:21,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:25:21,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:25:21,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:25:21,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:25:21,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:25:21,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:25:21,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:25:21,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:25:21,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:25:21,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:25:21,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:25:21,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:25:21,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:25:21,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:25:21,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:25:21,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:25:21,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:25:21,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:25:21,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:25:21,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:25:21,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:25:21,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:25:21,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:25:21,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:25:21,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:25:21,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:25:21,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:25:21,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:25:21,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:25:21,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:25:21,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:25:21,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:25:21,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:25:21,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:25:21,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:25:21,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:25:21,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:25:21,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:25:21,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:25:21,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:25:21,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:25:21,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:25:21,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:25:21,125 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:25:21,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:25:21,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:25:21,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:25:21,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:25:21,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:25:21,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:25:21,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:25:21,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:25:21,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:25:21,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:25:21,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:25:21,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:25:21,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:25:21,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:25:21,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:25:21,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:25:21,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:25:21,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:25:21,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:25:21,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:25:21,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:25:21,128 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:25:21,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:25:21,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:25:21,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:25:21,129 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_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 [2021-12-06 22:25:21,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:25:21,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:25:21,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:25:21,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:25:21,347 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:25:21,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-12-06 22:25:21,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data/6cfb05127/4deda39408fb4244bddbd51570979a8d/FLAGc26e34e6e [2021-12-06 22:25:21,762 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:25:21,762 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-12-06 22:25:21,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data/6cfb05127/4deda39408fb4244bddbd51570979a8d/FLAGc26e34e6e [2021-12-06 22:25:21,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data/6cfb05127/4deda39408fb4244bddbd51570979a8d [2021-12-06 22:25:21,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:25:21,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:25:21,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:25:21,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:25:21,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:25:21,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:25:21" (1/1) ... [2021-12-06 22:25:21,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36924ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:21, skipping insertion in model container [2021-12-06 22:25:21,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:25:21" (1/1) ... [2021-12-06 22:25:21,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:25:21,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:25:21,970 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_14d69c33-4d7d-4126-b04d-6672303aae67/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-12-06 22:25:21,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:25:21,979 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:25:22,014 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_14d69c33-4d7d-4126-b04d-6672303aae67/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-12-06 22:25:22,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:25:22,028 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:25:22,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22 WrapperNode [2021-12-06 22:25:22,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:25:22,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:25:22,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:25:22,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:25:22,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,065 INFO L137 Inliner]: procedures = 20, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2021-12-06 22:25:22,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:25:22,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:25:22,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:25:22,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:25:22,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:25:22,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:25:22,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:25:22,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:25:22,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (1/1) ... [2021-12-06 22:25:22,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:25:22,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:22,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:25:22,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:25:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:25:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:25:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:25:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-06 22:25:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:25:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-06 22:25:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-06 22:25:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-06 22:25:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:25:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:25:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:25:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-06 22:25:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-06 22:25:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-06 22:25:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:25:22,254 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:25:22,256 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:25:22,513 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:25:22,520 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:25:22,520 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-06 22:25:22,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:22 BoogieIcfgContainer [2021-12-06 22:25:22,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:25:22,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:25:22,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:25:22,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:25:22,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:25:21" (1/3) ... [2021-12-06 22:25:22,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa9e1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:25:22, skipping insertion in model container [2021-12-06 22:25:22,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:22" (2/3) ... [2021-12-06 22:25:22,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa9e1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:25:22, skipping insertion in model container [2021-12-06 22:25:22,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:22" (3/3) ... [2021-12-06 22:25:22,528 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2021-12-06 22:25:22,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:25:22,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:25:22,574 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:25:22,580 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:25:22,580 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:25:22,597 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) [2021-12-06 22:25:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 22:25:22,600 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:22,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:22,601 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:22,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:22,606 INFO L85 PathProgramCache]: Analyzing trace with hash -540288573, now seen corresponding path program 1 times [2021-12-06 22:25:22,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:22,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224094815] [2021-12-06 22:25:22,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:22,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:25:22,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:22,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224094815] [2021-12-06 22:25:22,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224094815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:22,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:22,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:25:22,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143524204] [2021-12-06 22:25:22,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:22,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:25:22,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:22,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:25:22,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:25:22,770 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) [2021-12-06 22:25:22,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:22,806 INFO L93 Difference]: Finished difference Result 190 states and 308 transitions. [2021-12-06 22:25:22,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:25:22,808 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 [2021-12-06 22:25:22,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:22,814 INFO L225 Difference]: With dead ends: 190 [2021-12-06 22:25:22,814 INFO L226 Difference]: Without dead ends: 92 [2021-12-06 22:25:22,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:25:22,819 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 [2021-12-06 22:25:22,820 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] [2021-12-06 22:25:22,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-12-06 22:25:22,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-12-06 22:25:22,848 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) [2021-12-06 22:25:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-12-06 22:25:22,851 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 14 [2021-12-06 22:25:22,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:22,851 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-12-06 22:25:22,851 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) [2021-12-06 22:25:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-12-06 22:25:22,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-06 22:25:22,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:22,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:22,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:25:22,852 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:22,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:22,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1209401097, now seen corresponding path program 1 times [2021-12-06 22:25:22,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:22,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801227280] [2021-12-06 22:25:22,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:22,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:25:22,933 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:25:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:25:23,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:25:23,008 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 22:25:23,010 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:25:23,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:25:23,015 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-06 22:25:23,018 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:25:23,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:25:23 BoogieIcfgContainer [2021-12-06 22:25:23,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:25:23,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:25:23,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:25:23,056 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:25:23,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:22" (3/4) ... [2021-12-06 22:25:23,059 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 22:25:23,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:25:23,060 INFO L158 Benchmark]: Toolchain (without parser) took 1278.57ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 45.4MB in the beginning and 74.4MB in the end (delta: -29.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-12-06 22:25:23,061 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:25:23,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.81ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 45.2MB in the beginning and 91.0MB in the end (delta: -45.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 22:25:23,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.90ms. Allocated memory is still 119.5MB. Free memory was 91.0MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:25:23,063 INFO L158 Benchmark]: Boogie Preprocessor took 31.72ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 86.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 22:25:23,064 INFO L158 Benchmark]: RCFGBuilder took 423.49ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 65.8MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 22:25:23,064 INFO L158 Benchmark]: TraceAbstraction took 532.09ms. Allocated memory is still 119.5MB. Free memory was 65.3MB in the beginning and 74.4MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:25:23,064 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 119.5MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:25:23,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.81ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 45.2MB in the beginning and 91.0MB in the end (delta: -45.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.90ms. Allocated memory is still 119.5MB. Free memory was 91.0MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.72ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 86.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 423.49ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 65.8MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 532.09ms. Allocated memory is still 119.5MB. Free memory was 65.3MB in the beginning and 74.4MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 119.5MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 245]: 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 244, 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; [L239] 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] [L239] RET isfinite_float(x) [L239] COND TRUE isfinite_float(x) [L241] 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] [L241] RET, EXPR __ieee754_atan2f(y, x) [L241] float res = __ieee754_atan2f(y, x); [L244] 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] [L245] 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: 0.4s, 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, 0.0s 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 [2021-12-06 22:25:23,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:25:24,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:25:24,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:25:24,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:25:24,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:25:24,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:25:24,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:25:24,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:25:24,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:25:24,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:25:24,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:25:24,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:25:24,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:25:24,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:25:24,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:25:24,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:25:24,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:25:24,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:25:24,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:25:24,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:25:24,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:25:24,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:25:24,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:25:24,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:25:24,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:25:24,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:25:24,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:25:24,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:25:24,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:25:24,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:25:24,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:25:24,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:25:24,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:25:24,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:25:24,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:25:24,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:25:24,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:25:24,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:25:24,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:25:24,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:25:24,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:25:24,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 22:25:24,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:25:24,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:25:24,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:25:24,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:25:24,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:25:24,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:25:24,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:25:24,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:25:24,735 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:25:24,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:25:24,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:25:24,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:25:24,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:25:24,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:25:24,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:25:24,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:25:24,737 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 22:25:24,737 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 22:25:24,737 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 22:25:24,737 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:25:24,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:25:24,737 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:25:24,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:25:24,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:25:24,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:25:24,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:25:24,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:25:24,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:25:24,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:25:24,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:25:24,739 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 22:25:24,739 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 22:25:24,739 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:25:24,739 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:25:24,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:25:24,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:25:24,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 22:25:24,740 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_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ce6cfdcb9dfa0489011437b04a08db6e71d8edccf3dd91706f7dddce0310b4 [2021-12-06 22:25:24,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:25:24,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:25:24,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:25:24,990 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:25:24,990 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:25:24,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-12-06 22:25:25,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data/cc323b6b6/ee035b6447fc4154b48795124fcd4f43/FLAG5a107efc5 [2021-12-06 22:25:25,359 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:25:25,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-12-06 22:25:25,368 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data/cc323b6b6/ee035b6447fc4154b48795124fcd4f43/FLAG5a107efc5 [2021-12-06 22:25:25,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/data/cc323b6b6/ee035b6447fc4154b48795124fcd4f43 [2021-12-06 22:25:25,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:25:25,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:25:25,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:25:25,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:25:25,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:25:25,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:25,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb9b0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25, skipping insertion in model container [2021-12-06 22:25:25,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:25,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:25:25,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:25:25,923 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_14d69c33-4d7d-4126-b04d-6672303aae67/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-12-06 22:25:25,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:25:25,940 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:25:25,981 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_14d69c33-4d7d-4126-b04d-6672303aae67/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-12-06 22:25:25,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:25:25,997 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:25:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25 WrapperNode [2021-12-06 22:25:25,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:25:25,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:25:25,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:25:25,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:25:26,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,037 INFO L137 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2021-12-06 22:25:26,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:25:26,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:25:26,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:25:26,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:25:26,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:25:26,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:25:26,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:25:26,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:25:26,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (1/1) ... [2021-12-06 22:25:26,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:25:26,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:26,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:25:26,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:25:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:25:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-06 22:25:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 22:25:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:25:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-06 22:25:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-06 22:25:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-06 22:25:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 22:25:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:25:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:25:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-06 22:25:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-06 22:25:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-06 22:25:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 22:25:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:25:26,218 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:25:26,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:25:35,709 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:25:35,715 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:25:35,715 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-06 22:25:35,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:35 BoogieIcfgContainer [2021-12-06 22:25:35,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:25:35,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:25:35,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:25:35,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:25:35,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:25:25" (1/3) ... [2021-12-06 22:25:35,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701da461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:25:35, skipping insertion in model container [2021-12-06 22:25:35,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:25:25" (2/3) ... [2021-12-06 22:25:35,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701da461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:25:35, skipping insertion in model container [2021-12-06 22:25:35,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:35" (3/3) ... [2021-12-06 22:25:35,723 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2021-12-06 22:25:35,727 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:25:35,727 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:25:35,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:25:35,767 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:25:35,767 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:25:35,779 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) [2021-12-06 22:25:35,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 22:25:35,786 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:35,787 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:35,787 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:35,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:35,791 INFO L85 PathProgramCache]: Analyzing trace with hash -540288573, now seen corresponding path program 1 times [2021-12-06 22:25:35,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:25:35,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077590395] [2021-12-06 22:25:35,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:35,800 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:25:35,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:25:35,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:25:35,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 22:25:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:36,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 22:25:36,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:25:36,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:25:36,692 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:25:36,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077590395] [2021-12-06 22:25:36,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077590395] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:36,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:36,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:25:36,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120577059] [2021-12-06 22:25:36,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:36,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:25:36,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:25:36,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:25:36,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:25:36,720 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) [2021-12-06 22:25:36,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:36,743 INFO L93 Difference]: Finished difference Result 190 states and 308 transitions. [2021-12-06 22:25:36,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:25:36,745 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 [2021-12-06 22:25:36,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:36,751 INFO L225 Difference]: With dead ends: 190 [2021-12-06 22:25:36,751 INFO L226 Difference]: Without dead ends: 92 [2021-12-06 22:25:36,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:25:36,756 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 [2021-12-06 22:25:36,757 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] [2021-12-06 22:25:36,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-12-06 22:25:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-12-06 22:25:36,785 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) [2021-12-06 22:25:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-12-06 22:25:36,788 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 14 [2021-12-06 22:25:36,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:36,788 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-12-06 22:25:36,788 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) [2021-12-06 22:25:36,789 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-12-06 22:25:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-06 22:25:36,789 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:36,789 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:36,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:25:36,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:25:36,991 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:36,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:36,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1209401097, now seen corresponding path program 1 times [2021-12-06 22:25:36,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:25:36,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629587475] [2021-12-06 22:25:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:36,993 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:25:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:25:36,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:25:36,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 22:25:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:37,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 29 conjunts are in the unsatisfiable core [2021-12-06 22:25:37,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:38,048 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 11 treesize of output 7 [2021-12-06 22:25:39,068 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-12-06 22:25:39,069 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 48 treesize of output 35 [2021-12-06 22:25:39,723 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 22:25:39,724 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 [2021-12-06 22:25:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:25:40,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:25:40,521 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:25:40,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629587475] [2021-12-06 22:25:40,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629587475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:40,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:40,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 22:25:40,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000520597] [2021-12-06 22:25:40,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:40,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 22:25:40,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:25:40,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 22:25:40,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:25:40,525 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:25:40,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:40,547 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2021-12-06 22:25:40,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:25:40,547 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-06 22:25:40,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:40,548 INFO L225 Difference]: With dead ends: 96 [2021-12-06 22:25:40,548 INFO L226 Difference]: Without dead ends: 92 [2021-12-06 22:25:40,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:25:40,550 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 104 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:40,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1111 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 104 Unchecked, 0.0s Time] [2021-12-06 22:25:40,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-12-06 22:25:40,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-12-06 22:25:40,557 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) [2021-12-06 22:25:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2021-12-06 22:25:40,559 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 17 [2021-12-06 22:25:40,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:40,559 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2021-12-06 22:25:40,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:25:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2021-12-06 22:25:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-06 22:25:40,560 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:40,560 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:40,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 22:25:40,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:25:40,762 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:40,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:40,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1450439137, now seen corresponding path program 1 times [2021-12-06 22:25:40,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:25:40,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577130280] [2021-12-06 22:25:40,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:40,767 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:25:40,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:25:40,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:25:40,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 22:25:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:41,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:25:41,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:25:43,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:25:43,214 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:25:43,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577130280] [2021-12-06 22:25:43,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1577130280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:43,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:43,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:25:43,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623133401] [2021-12-06 22:25:43,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:43,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:25:43,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:25:43,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:25:43,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:25:43,216 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:25:50,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:53,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:55,103 WARN L534 Checker$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 [] [2021-12-06 22:25:58,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:00,875 WARN L534 Checker$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 [] [2021-12-06 22:26:03,008 WARN L534 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 [] [2021-12-06 22:26:03,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:03,078 INFO L93 Difference]: Finished difference Result 100 states and 138 transitions. [2021-12-06 22:26:03,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:26:03,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-12-06 22:26:03,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:03,082 INFO L225 Difference]: With dead ends: 100 [2021-12-06 22:26:03,083 INFO L226 Difference]: Without dead ends: 95 [2021-12-06 22:26:03,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:26:03,084 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 106 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:03,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 368 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 5 Unknown, 0 Unchecked, 18.8s Time] [2021-12-06 22:26:03,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-12-06 22:26:03,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2021-12-06 22:26:03,094 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) [2021-12-06 22:26:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-12-06 22:26:03,095 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 22 [2021-12-06 22:26:03,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:03,096 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-12-06 22:26:03,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-12-06 22:26:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-06 22:26:03,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:03,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:03,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 22:26:03,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:26:03,300 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:03,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:03,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1452286179, now seen corresponding path program 1 times [2021-12-06 22:26:03,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:26:03,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745365628] [2021-12-06 22:26:03,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:03,304 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:26:03,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:26:03,306 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:26:03,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 22:26:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:04,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:26:04,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:04,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:04,602 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:26:04,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745365628] [2021-12-06 22:26:04,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745365628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:04,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:04,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:26:04,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937349005] [2021-12-06 22:26:04,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:04,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:26:04,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:26:04,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:26:04,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:26:04,604 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:04,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:04,615 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2021-12-06 22:26:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:26:04,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-12-06 22:26:04,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:04,617 INFO L225 Difference]: With dead ends: 100 [2021-12-06 22:26:04,617 INFO L226 Difference]: Without dead ends: 94 [2021-12-06 22:26:04,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:26:04,619 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 61 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 410 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 [2021-12-06 22:26:04,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 410 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2021-12-06 22:26:04,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-12-06 22:26:04,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2021-12-06 22:26:04,628 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) [2021-12-06 22:26:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2021-12-06 22:26:04,630 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 126 transitions. Word has length 22 [2021-12-06 22:26:04,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:04,630 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-12-06 22:26:04,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2021-12-06 22:26:04,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-06 22:26:04,632 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:04,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:04,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 22:26:04,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:26:04,833 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:04,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:04,834 INFO L85 PathProgramCache]: Analyzing trace with hash -947623069, now seen corresponding path program 1 times [2021-12-06 22:26:04,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:26:04,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130132598] [2021-12-06 22:26:04,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:04,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:26:04,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:26:04,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:26:04,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 22:26:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:05,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 22:26:05,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:06,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:06,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:06,197 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:26:06,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130132598] [2021-12-06 22:26:06,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130132598] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:06,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:06,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:26:06,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235608786] [2021-12-06 22:26:06,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:06,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:26:06,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:26:06,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:26:06,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:26:06,199 INFO L87 Difference]: Start difference. First operand 90 states and 126 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:06,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:06,207 INFO L93 Difference]: Finished difference Result 160 states and 224 transitions. [2021-12-06 22:26:06,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:26:06,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-12-06 22:26:06,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:06,209 INFO L225 Difference]: With dead ends: 160 [2021-12-06 22:26:06,209 INFO L226 Difference]: Without dead ends: 88 [2021-12-06 22:26:06,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:26:06,211 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 5 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:06,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 542 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2021-12-06 22:26:06,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-06 22:26:06,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2021-12-06 22:26:06,221 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) [2021-12-06 22:26:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2021-12-06 22:26:06,222 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 22 [2021-12-06 22:26:06,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:06,222 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2021-12-06 22:26:06,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2021-12-06 22:26:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 22:26:06,224 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:06,224 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] [2021-12-06 22:26:06,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 22:26:06,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:26:06,426 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:06,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:06,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1672952196, now seen corresponding path program 1 times [2021-12-06 22:26:06,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:26:06,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012010238] [2021-12-06 22:26:06,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:06,430 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:26:06,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:26:06,432 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:26:06,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 22:26:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-06 22:26:07,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:07,349 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 11 treesize of output 7 [2021-12-06 22:26:08,011 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 [2021-12-06 22:26:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:09,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:09,162 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:26:09,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012010238] [2021-12-06 22:26:09,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012010238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:09,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:09,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 22:26:09,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384200147] [2021-12-06 22:26:09,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:09,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:26:09,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:26:09,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:26:09,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:26:09,164 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:09,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:09,341 INFO L93 Difference]: Finished difference Result 141 states and 190 transitions. [2021-12-06 22:26:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:26:09,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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 [2021-12-06 22:26:09,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:09,343 INFO L225 Difference]: With dead ends: 141 [2021-12-06 22:26:09,343 INFO L226 Difference]: Without dead ends: 77 [2021-12-06 22:26:09,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:26:09,345 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 7 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 65 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:09,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 637 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 65 Unchecked, 0.0s Time] [2021-12-06 22:26:09,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-12-06 22:26:09,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2021-12-06 22:26:09,354 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) [2021-12-06 22:26:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2021-12-06 22:26:09,356 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 23 [2021-12-06 22:26:09,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:09,356 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2021-12-06 22:26:09,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2021-12-06 22:26:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 22:26:09,358 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:09,358 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] [2021-12-06 22:26:09,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 22:26:09,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:26:09,559 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:09,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:09,560 INFO L85 PathProgramCache]: Analyzing trace with hash 791814228, now seen corresponding path program 1 times [2021-12-06 22:26:09,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:26:09,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396858276] [2021-12-06 22:26:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:09,562 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:26:09,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:26:09,564 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:26:09,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 22:26:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:10,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:26:10,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:11,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:11,922 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:26:11,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396858276] [2021-12-06 22:26:11,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396858276] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:11,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:11,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:26:11,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551310221] [2021-12-06 22:26:11,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:11,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:26:11,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:26:11,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:26:11,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:26:11,924 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:18,267 WARN L534 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 [] [2021-12-06 22:26:20,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:22,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:25,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:27,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:29,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:30,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:30,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:30,875 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2021-12-06 22:26:30,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:26:30,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 [2021-12-06 22:26:30,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:30,877 INFO L225 Difference]: With dead ends: 81 [2021-12-06 22:26:30,877 INFO L226 Difference]: Without dead ends: 76 [2021-12-06 22:26:30,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:26:30,878 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 69 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:30,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 268 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 5 Unknown, 0 Unchecked, 17.7s Time] [2021-12-06 22:26:30,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-06 22:26:30,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2021-12-06 22:26:30,887 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) [2021-12-06 22:26:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2021-12-06 22:26:30,888 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 24 [2021-12-06 22:26:30,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:30,888 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2021-12-06 22:26:30,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2021-12-06 22:26:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 22:26:30,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:30,890 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] [2021-12-06 22:26:30,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 22:26:31,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:26:31,092 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:31,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:31,093 INFO L85 PathProgramCache]: Analyzing trace with hash 793661270, now seen corresponding path program 1 times [2021-12-06 22:26:31,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:26:31,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766536068] [2021-12-06 22:26:31,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:31,095 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:26:31,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:26:31,098 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:26:31,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 22:26:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:31,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:26:31,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:32,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:32,409 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:26:32,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766536068] [2021-12-06 22:26:32,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766536068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:32,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:32,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:26:32,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960118954] [2021-12-06 22:26:32,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:32,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:26:32,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:26:32,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:26:32,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:26:32,410 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:32,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:32,415 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2021-12-06 22:26:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:26:32,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 [2021-12-06 22:26:32,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:32,416 INFO L225 Difference]: With dead ends: 77 [2021-12-06 22:26:32,416 INFO L226 Difference]: Without dead ends: 71 [2021-12-06 22:26:32,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:26:32,417 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 26 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:32,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 305 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-12-06 22:26:32,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-06 22:26:32,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-12-06 22:26:32,422 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) [2021-12-06 22:26:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2021-12-06 22:26:32,422 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 24 [2021-12-06 22:26:32,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:32,423 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2021-12-06 22:26:32,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-12-06 22:26:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 22:26:32,424 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:32,424 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] [2021-12-06 22:26:32,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-06 22:26:32,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:26:32,626 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:32,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:32,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1553945203, now seen corresponding path program 1 times [2021-12-06 22:26:32,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:26:32,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1691942675] [2021-12-06 22:26:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:32,629 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:26:32,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:26:32,631 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:26:32,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 22:26:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:33,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 22:26:33,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:34,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:34,370 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:26:34,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1691942675] [2021-12-06 22:26:34,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1691942675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:34,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:34,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:26:34,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645189725] [2021-12-06 22:26:34,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:34,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:26:34,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:26:34,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:26:34,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:26:34,371 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:34,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:34,375 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2021-12-06 22:26:34,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:26:34,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-12-06 22:26:34,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:34,376 INFO L225 Difference]: With dead ends: 105 [2021-12-06 22:26:34,376 INFO L226 Difference]: Without dead ends: 51 [2021-12-06 22:26:34,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:26:34,377 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 5 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:34,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 281 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-12-06 22:26:34,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-06 22:26:34,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-12-06 22:26:34,381 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) [2021-12-06 22:26:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2021-12-06 22:26:34,382 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 25 [2021-12-06 22:26:34,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:34,382 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2021-12-06 22:26:34,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2021-12-06 22:26:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 22:26:34,383 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:34,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:34,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-06 22:26:34,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:26:34,585 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:34,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:34,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1512113405, now seen corresponding path program 1 times [2021-12-06 22:26:34,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:26:34,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624012115] [2021-12-06 22:26:34,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:34,588 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:26:34,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:26:34,591 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:26:34,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 22:26:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:35,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:26:35,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:36,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:36,412 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:26:36,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624012115] [2021-12-06 22:26:36,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624012115] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:36,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:36,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:26:36,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338471591] [2021-12-06 22:26:36,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:36,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:26:36,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:26:36,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:26:36,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:26:36,413 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:26:39,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:40,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:42,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:44,441 WARN L534 Checker$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 [] [2021-12-06 22:26:45,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:47,869 WARN L534 Checker$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 [] [2021-12-06 22:26:48,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:48,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:48,926 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2021-12-06 22:26:48,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:26:48,966 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-06 22:26:48,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:48,967 INFO L225 Difference]: With dead ends: 58 [2021-12-06 22:26:48,967 INFO L226 Difference]: Without dead ends: 51 [2021-12-06 22:26:48,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:26:48,968 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 8 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:48,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 320 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 4 Unknown, 29 Unchecked, 12.3s Time] [2021-12-06 22:26:48,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-06 22:26:48,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-12-06 22:26:48,972 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) [2021-12-06 22:26:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2021-12-06 22:26:48,973 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 28 [2021-12-06 22:26:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:48,973 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2021-12-06 22:26:48,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:26:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-12-06 22:26:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-06 22:26:48,975 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:48,975 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] [2021-12-06 22:26:49,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-06 22:26:49,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:26:49,177 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:49,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:49,178 INFO L85 PathProgramCache]: Analyzing trace with hash 868682631, now seen corresponding path program 1 times [2021-12-06 22:26:49,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:26:49,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083139320] [2021-12-06 22:26:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:49,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:26:49,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:26:49,184 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:26:49,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-06 22:26:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:50,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 22:26:50,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:50,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:26:50,688 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:26:50,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083139320] [2021-12-06 22:26:50,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083139320] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:50,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:50,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:26:50,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760502996] [2021-12-06 22:26:50,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:50,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:26:50,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:26:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:26:50,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:26:50,690 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:26:53,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:56,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:57,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:00,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:02,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:02,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:02,209 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2021-12-06 22:27:02,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:27:02,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-06 22:27:02,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:27:02,255 INFO L225 Difference]: With dead ends: 61 [2021-12-06 22:27:02,255 INFO L226 Difference]: Without dead ends: 54 [2021-12-06 22:27:02,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:27:02,256 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 36 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:27:02,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 245 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 3 Unknown, 25 Unchecked, 11.4s Time] [2021-12-06 22:27:02,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-12-06 22:27:02,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2021-12-06 22:27:02,259 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) [2021-12-06 22:27:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2021-12-06 22:27:02,260 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 29 [2021-12-06 22:27:02,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:27:02,260 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2021-12-06 22:27:02,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:27:02,260 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-12-06 22:27:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-06 22:27:02,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:27:02,261 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] [2021-12-06 22:27:02,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-06 22:27:02,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:27:02,463 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:27:02,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:02,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1756186312, now seen corresponding path program 1 times [2021-12-06 22:27:02,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:27:02,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154273269] [2021-12-06 22:27:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:02,466 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:27:02,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:27:02,468 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:27:02,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-06 22:27:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:03,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-06 22:27:03,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:27:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:04,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2021-12-06 22:27:04,721 INFO L354 Elim1Store]: treesize reduction 45, result has 45.1 percent of original size [2021-12-06 22:27:04,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 66 [2021-12-06 22:27:05,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:05,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2021-12-06 22:27:05,878 INFO L354 Elim1Store]: treesize reduction 45, result has 45.1 percent of original size [2021-12-06 22:27:05,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 66 [2021-12-06 22:27:06,786 INFO L354 Elim1Store]: treesize reduction 45, result has 45.1 percent of original size [2021-12-06 22:27:06,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 70 [2021-12-06 22:27:06,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2021-12-06 22:27:07,670 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 [2021-12-06 22:27:10,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:10,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:10,737 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 118 treesize of output 46 [2021-12-06 22:27:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:27:13,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:27:13,433 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:27:13,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154273269] [2021-12-06 22:27:13,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154273269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:27:13,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:27:13,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:27:13,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843000505] [2021-12-06 22:27:13,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:27:13,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:27:13,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:27:13,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:27:13,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:27:13,435 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:27:15,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:17,746 WARN L534 Checker$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 [] [2021-12-06 22:27:19,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:21,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:24,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:26,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:28,597 WARN L534 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 [] [2021-12-06 22:27:29,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:29,457 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2021-12-06 22:27:29,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:27:29,499 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-06 22:27:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:27:29,500 INFO L225 Difference]: With dead ends: 60 [2021-12-06 22:27:29,500 INFO L226 Difference]: Without dead ends: 51 [2021-12-06 22:27:29,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:27:29,501 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 19 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 79 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:27:29,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 276 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 5 Unknown, 79 Unchecked, 15.5s Time] [2021-12-06 22:27:29,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-06 22:27:29,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2021-12-06 22:27:29,505 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) [2021-12-06 22:27:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2021-12-06 22:27:29,506 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 29 [2021-12-06 22:27:29,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:27:29,506 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2021-12-06 22:27:29,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:27:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2021-12-06 22:27:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 22:27:29,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:27:29,509 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] [2021-12-06 22:27:29,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-06 22:27:29,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:27:29,711 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:27:29,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:29,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1197063290, now seen corresponding path program 1 times [2021-12-06 22:27:29,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:27:29,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31829953] [2021-12-06 22:27:29,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:29,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:27:29,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:27:29,717 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:27:29,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-06 22:27:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:30,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:27:30,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:27:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:27:31,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:27:31,495 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:27:31,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31829953] [2021-12-06 22:27:31,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31829953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:27:31,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:27:31,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:27:31,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653520247] [2021-12-06 22:27:31,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:27:31,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:27:31,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:27:31,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:27:31,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:27:31,497 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:27:31,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:31,708 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2021-12-06 22:27:31,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:27:31,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-06 22:27:31,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:27:31,709 INFO L225 Difference]: With dead ends: 49 [2021-12-06 22:27:31,709 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:27:31,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:27:31,710 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 21 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:27:31,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 253 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 41 Unchecked, 0.0s Time] [2021-12-06 22:27:31,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:27:31,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:27:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:27:31,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2021-12-06 22:27:31,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:27:31,712 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:27:31,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:27:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:27:31,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:27:31,715 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:27:31,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-06 22:27:31,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:27:31,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:27:37,346 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2021-12-06 22:27:37,347 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2021-12-06 22:27:37,347 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2021-12-06 22:27:37,347 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-12-06 22:27:37,347 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-12-06 22:27:37,347 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-12-06 22:27:37,347 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-12-06 22:27:37,347 INFO L861 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2021-12-06 22:27:37,347 INFO L861 garLoopResultBuilder]: At program point L250(lines 229 251) the Hoare annotation is: true [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-12-06 22:27:37,348 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)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res#1|)) [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2021-12-06 22:27:37,348 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-12-06 22:27:37,349 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)))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| (_ bv6 32))) (_ bv1 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) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))) [2021-12-06 22:27:37,349 INFO L858 garLoopResultBuilder]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2021-12-06 22:27:37,349 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-12-06 22:27:37,349 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-12-06 22:27:37,349 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-06 22:27:37,349 INFO L858 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-12-06 22:27:37,349 INFO L854 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~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)))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| (_ bv6 32))) (_ bv1 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)))) (exists ((|ULTIMATE.start___ieee754_atan2f_~hy~0#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_atan2f_~iy~0#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (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|)))))) (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))))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (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|)))) (= ((_ 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)) [2021-12-06 22:27:37,349 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 248) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 239 248) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-12-06 22:27:37,350 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~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)))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| (_ bv6 32))) (_ bv1 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)))) (= ((_ 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) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6|) (_ bv0 32)))) (and (bvslt (bvand (_ bv2147483647 32) .cse2) (_ bv2139095040 32)) (= |ULTIMATE.start___ieee754_atan2f_~x#1| (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))))) [2021-12-06 22:27:37,351 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-12-06 22:27:37,351 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-12-06 22:27:37,351 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-06 22:27:37,351 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-12-06 22:27:37,351 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-12-06 22:27:37,351 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2021-12-06 22:27:37,351 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-12-06 22:27:37,351 INFO L854 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2021-12-06 22:27:37,351 INFO L858 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2021-12-06 22:27:37,351 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-12-06 22:27:37,352 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)))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| (_ bv6 32))) (_ bv1 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)))) (= ((_ 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) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6| (_ BitVec 32))) (let ((.cse3 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6|) (_ bv0 32)))) (and (let ((.cse2 (bvslt (bvand (_ bv2147483647 32) .cse3) (_ bv2139095040 32)))) (or (and (not .cse2) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32))) (and .cse2 (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32))))) (= |ULTIMATE.start_main_~x~0#1| (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|))) [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-06 22:27:37,352 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 247) no Hoare annotation was computed. [2021-12-06 22:27:37,353 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-06 22:27:37,353 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-12-06 22:27:37,353 INFO L858 garLoopResultBuilder]: For program point L245(line 245) no Hoare annotation was computed. [2021-12-06 22:27:37,353 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-06 22:27:37,353 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-06 22:27:37,353 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-12-06 22:27:37,353 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~y#1|)) (= ~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)))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| (_ bv6 32))) (_ bv1 1))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6|) (_ bv0 32))) (.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (bvslt (bvand (_ bv2147483647 32) .cse1) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (= (bvand (_ bv2147483647 32) .cse2) |ULTIMATE.start___ieee754_atan2f_~ix~2#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)))) (= ((_ 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)))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| (_ bv5 32)))) (_ bv1 1))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-06 22:27:37,353 INFO L858 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-12-06 22:27:37,353 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 245) no Hoare annotation was computed. [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-12-06 22:27:37,354 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-12-06 22:27:37,354 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 (= (let ((.cse0 (select (select |old(#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))) ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))))) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select |old(#valid)| (_ bv5 32)))) (_ bv1 1)))) (not (= (_ bv0 1) (bvadd (bvneg (select |old(#valid)| (_ bv4 32))) (_ bv1 1)))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= (bvadd (bvneg (bvneg (select |old(#valid)| (_ bv6 32)))) (_ bv1 1)) (_ bv0 1))) (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))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |old(#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)))))) [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2021-12-06 22:27:37,354 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-12-06 22:27:37,355 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-12-06 22:27:37,355 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))))) (not (= (let ((.cse0 (select (select |old(#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))) ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))))) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select |old(#valid)| (_ bv5 32)))) (_ bv1 1)))) (and (= |old(#valid)| |#valid|) (= |atan_float_#in~x| atan_float_~x) (= |old(#memory_int)| |#memory_int|)) (not (= (_ bv0 1) (bvadd (bvneg (select |old(#valid)| (_ bv4 32))) (_ bv1 1)))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= (bvadd (bvneg (bvneg (select |old(#valid)| (_ bv6 32)))) (_ bv1 1)) (_ bv0 1))) (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))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |old(#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)))))) [2021-12-06 22:27:37,355 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-12-06 22:27:37,355 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))))) (and (= (_ bv0 1) (bvadd (bvneg (select |#valid| (_ bv6 32))) (_ bv1 1))) (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) (exists ((v_ArrVal_173 (Array (_ BitVec 32) (_ BitVec 32))) (|v_atan_float_~#gf_u~1.base_9| (_ BitVec 32))) (and (= (store |old(#memory_int)| |v_atan_float_~#gf_u~1.base_9| v_ArrVal_173) |#memory_int|) (= (_ bv0 1) (bvneg (select |old(#valid)| |v_atan_float_~#gf_u~1.base_9|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| (_ bv5 32)))) (_ bv1 1))) (= |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)))) (not (= (let ((.cse0 (select (select |old(#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))) ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))))) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select |old(#valid)| (_ bv5 32)))) (_ bv1 1)))) (not (= (_ bv0 1) (bvadd (bvneg (select |old(#valid)| (_ bv4 32))) (_ bv1 1)))) (not (= currentRoundingMode roundNearestTiesToEven)) (not (= (bvadd (bvneg (bvneg (select |old(#valid)| (_ bv6 32)))) (_ bv1 1)) (_ bv0 1))) (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))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select (select |old(#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)))))) [2021-12-06 22:27:37,355 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-12-06 22:27:37,355 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-12-06 22:27:37,355 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-12-06 22:27:37,355 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-12-06 22:27:37,355 INFO L858 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-12-06 22:27:37,356 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-12-06 22:27:37,359 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:37,360 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:27:37,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,380 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,383 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,386 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,386 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,387 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,388 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,390 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] [2021-12-06 22:27:37,390 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] [2021-12-06 22:27:37,390 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] [2021-12-06 22:27:37,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,391 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] [2021-12-06 22:27:37,391 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,393 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] [2021-12-06 22:27:37,393 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] [2021-12-06 22:27:37,393 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] [2021-12-06 22:27:37,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,393 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] [2021-12-06 22:27:37,394 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,395 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,396 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:27:37 BoogieIcfgContainer [2021-12-06 22:27:37,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:27:37,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:27:37,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:27:37,398 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:27:37,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:25:35" (3/4) ... [2021-12-06 22:27:37,401 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:27:37,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-12-06 22:27:37,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2021-12-06 22:27:37,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2021-12-06 22:27:37,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-12-06 22:27:37,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-06 22:27:37,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:27:37,430 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])) && 0bv1 == ~bvadd64(~bvneg32(\valid[6bv32]), 1bv1)) && 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) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2021-12-06 22:27:37,430 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])) && 0bv1 == ~bvadd64(~bvneg32(\valid[6bv32]), 1bv1)) && 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))) && ~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) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: ((!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && \result == 0bv32) || (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && \result == 1bv32)) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2021-12-06 22:27:37,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && 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])) && 0bv1 == ~bvadd64(~bvneg32(\valid[6bv32]), 1bv1)) && 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))) && ~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) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0])) [2021-12-06 22:27:37,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && 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])) && 0bv1 == ~bvadd64(~bvneg32(\valid[6bv32]), 1bv1)) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && ~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_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0])) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix)) && 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))) && ~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 [2021-12-06 22:27:37,431 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)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result [2021-12-06 22:27:37,431 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)))) || !(~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)))) || !(0bv1 == ~bvadd64(~bvneg32(~bvneg32(\old(\valid)[5bv32])), 1bv1))) || ((\old(\valid) == \valid && \old(x) == x) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown)) || !(0bv1 == ~bvadd64(~bvneg32(\old(\valid)[4bv32]), 1bv1))) || !(unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven)) || !(~bvadd64(~bvneg32(~bvneg32(\old(\valid)[6bv32])), 1bv1) == 0bv1)) || !(atanlo_atan == 5bv32)) || !(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(\old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) [2021-12-06 22:27:37,457 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:27:37,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:27:37,457 INFO L158 Benchmark]: Toolchain (without parser) took 131699.78ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.1MB in the beginning and 29.3MB in the end (delta: 5.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-12-06 22:27:37,457 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:27:37,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.02ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 52.9MB in the end (delta: -18.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 22:27:37,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.98ms. Allocated memory is still 73.4MB. Free memory was 52.9MB in the beginning and 50.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:27:37,458 INFO L158 Benchmark]: Boogie Preprocessor took 47.51ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 47.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:27:37,458 INFO L158 Benchmark]: RCFGBuilder took 9630.51ms. Allocated memory is still 73.4MB. Free memory was 47.7MB in the beginning and 40.1MB in the end (delta: 7.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 22:27:37,458 INFO L158 Benchmark]: TraceAbstraction took 121679.57ms. Allocated memory is still 73.4MB. Free memory was 39.5MB in the beginning and 37.0MB in the end (delta: 2.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-12-06 22:27:37,459 INFO L158 Benchmark]: Witness Printer took 58.89ms. Allocated memory is still 73.4MB. Free memory was 37.0MB in the beginning and 29.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:27:37,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.02ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 52.9MB in the end (delta: -18.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.98ms. Allocated memory is still 73.4MB. Free memory was 52.9MB in the beginning and 50.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.51ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 47.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9630.51ms. Allocated memory is still 73.4MB. Free memory was 47.7MB in the beginning and 40.1MB in the end (delta: 7.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 121679.57ms. Allocated memory is still 73.4MB. Free memory was 39.5MB in the beginning and 37.0MB in the end (delta: 2.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Witness Printer took 58.89ms. Allocated memory is still 73.4MB. Free memory was 37.0MB in the beginning and 29.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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_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_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_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_6,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[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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_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_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_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_6,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[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[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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_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_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_6,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[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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_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_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_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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_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_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_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_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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#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_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_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_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 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[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] * 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: 245]: 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: 121.6s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 79.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 22 mSolverCounterUnknown, 378 SdHoareTripleChecker+Valid, 75.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 363 mSDsluCounter, 5152 SdHoareTripleChecker+Invalid, 73.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 372 IncrementalHoareTripleChecker+Unchecked, 4056 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 294 IncrementalHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1096 mSDtfsCounter, 294 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 231 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 23 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 46 PreInvPairs, 58 NumberOfFragments, 1305 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 1221 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 10.4s SatisfiabilityAnalysisTime, 22.5s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 296 ConstructedInterpolants, 156 QuantifiedInterpolants, 5598 SizeOfPredicates, 94 NumberOfNonLiveVariables, 1835 ConjunctsInSsa, 168 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 [2021-12-06 22:27:37,466 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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])) && 0bv1 == ~bvadd64(~bvneg32(\valid[6bv32]), 1bv1)) && 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))) && ~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) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: ((!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && \result == 0bv32) || (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && \result == 1bv32)) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) - InvariantResult [Line: 124]: Loop Invariant [2021-12-06 22:27:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,470 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,471 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] Derived loop invariant: (((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && 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])) && 0bv1 == ~bvadd64(~bvneg32(\valid[6bv32]), 1bv1)) && 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))) && ~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) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0])) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2021-12-06 22:27:37,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,473 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,473 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,473 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,473 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)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant [2021-12-06 22:27:37,473 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,474 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)))) || !(~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)))) || !(0bv1 == ~bvadd64(~bvneg32(~bvneg32(\old(\valid)[5bv32])), 1bv1))) || ((\old(\valid) == \valid && \old(x) == x) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown)) || !(0bv1 == ~bvadd64(~bvneg32(\old(\valid)[4bv32]), 1bv1))) || !(unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven)) || !(~bvadd64(~bvneg32(~bvneg32(\old(\valid)[6bv32])), 1bv1) == 0bv1)) || !(atanlo_atan == 5bv32)) || !(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(\old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) - InvariantResult [Line: 130]: Loop Invariant [2021-12-06 22:27:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,475 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] [2021-12-06 22:27:37,475 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] [2021-12-06 22:27:37,475 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] [2021-12-06 22:27:37,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,476 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,476 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] [2021-12-06 22:27:37,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,477 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] [2021-12-06 22:27:37,477 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] [2021-12-06 22:27:37,477 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] [2021-12-06 22:27:37,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,477 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,478 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6,QUANTIFIED] [2021-12-06 22:27:37,478 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] [2021-12-06 22:27:37,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && 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])) && 0bv1 == ~bvadd64(~bvneg32(\valid[6bv32]), 1bv1)) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6 : bv32 :: (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32]), 2139095040bv32) && ~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_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~5#1.base_6][0bv32][22:0])) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix)) && 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))) && ~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 - InvariantResult [Line: 220]: Loop Invariant [2021-12-06 22:27:37,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,480 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 22:27:37,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 22:27:37,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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])) && 0bv1 == ~bvadd64(~bvneg32(\valid[6bv32]), 1bv1)) && 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) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) RESULT: Ultimate proved your program to be correct! [2021-12-06 22:27:37,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14d69c33-4d7d-4126-b04d-6672303aae67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE