./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer --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 bf16487f411039d120d72f1ea3eb73e7cb935c40 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer --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 bf16487f411039d120d72f1ea3eb73e7cb935c40 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:05:25,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:25,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:25,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:25,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:25,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:25,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:25,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:25,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:25,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:25,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:25,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:25,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:25,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:25,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:25,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:25,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:25,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:25,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:25,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:25,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:25,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:25,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:25,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:25,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:25,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:25,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:25,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:25,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:25,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:25,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:25,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:25,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:25,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:25,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:25,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:25,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:25,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:25,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:25,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:25,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:25,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:05:25,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:25,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:25,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:25,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:25,344 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:25,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:25,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:25,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:25,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:25,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:25,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:05:25,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:05:25,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:05:25,348 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:25,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:25,348 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:25,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:05:25,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:25,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:25,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:05:25,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:05:25,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:25,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:25,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:05:25,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:05:25,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:25,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:05:25,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:05:25,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:25,352 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-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf16487f411039d120d72f1ea3eb73e7cb935c40 [2020-11-28 03:05:25,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:25,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:25,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:25,736 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:25,741 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:25,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2020-11-28 03:05:25,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data/e1c961983/f08ba942ad764546a50968a46be098d0/FLAGd4d74e73d [2020-11-28 03:05:26,430 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:26,431 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2020-11-28 03:05:26,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data/e1c961983/f08ba942ad764546a50968a46be098d0/FLAGd4d74e73d [2020-11-28 03:05:26,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data/e1c961983/f08ba942ad764546a50968a46be098d0 [2020-11-28 03:05:26,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:26,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:26,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:26,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:26,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:26,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:26" (1/1) ... [2020-11-28 03:05:26,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a79a075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:26, skipping insertion in model container [2020-11-28 03:05:26,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:26" (1/1) ... [2020-11-28 03:05:26,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:26,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:27,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:27,132 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:27,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:27,204 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:27,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27 WrapperNode [2020-11-28 03:05:27,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:27,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:27,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:27,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:27,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:27,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:27,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:27,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:27,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:27,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:27,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:27,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:27,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:05:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 03:05:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:05:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 03:05:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:05:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:05:28,221 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:28,221 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 03:05:28,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:28 BoogieIcfgContainer [2020-11-28 03:05:28,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:28,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:05:28,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:05:28,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:05:28,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:26" (1/3) ... [2020-11-28 03:05:28,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcc3811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:28, skipping insertion in model container [2020-11-28 03:05:28,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (2/3) ... [2020-11-28 03:05:28,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcc3811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:28, skipping insertion in model container [2020-11-28 03:05:28,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:28" (3/3) ... [2020-11-28 03:05:28,247 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2020-11-28 03:05:28,260 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:05:28,266 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:05:28,283 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:05:28,315 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:05:28,316 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:05:28,316 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:05:28,316 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:28,316 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:28,316 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:05:28,317 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:28,317 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:05:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-11-28 03:05:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:05:28,342 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:28,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:28,343 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:28,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:28,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2020-11-28 03:05:28,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:28,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590174011] [2020-11-28 03:05:28,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:28,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:28,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590174011] [2020-11-28 03:05:28,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:28,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:05:28,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347326226] [2020-11-28 03:05:28,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:05:28,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:28,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:05:28,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:05:28,689 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-11-28 03:05:28,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:28,730 INFO L93 Difference]: Finished difference Result 119 states and 193 transitions. [2020-11-28 03:05:28,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:05:28,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-28 03:05:28,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:28,751 INFO L225 Difference]: With dead ends: 119 [2020-11-28 03:05:28,752 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 03:05:28,756 INFO L677 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 [2020-11-28 03:05:28,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 03:05:28,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 03:05:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 03:05:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2020-11-28 03:05:28,794 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2020-11-28 03:05:28,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:28,794 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-28 03:05:28,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:05:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-28 03:05:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:05:28,796 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:28,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:28,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:05:28,796 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:28,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:28,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2020-11-28 03:05:28,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:28,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677781265] [2020-11-28 03:05:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:28,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:28,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:28,975 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:28,975 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:05:28,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:05:29,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:29 BoogieIcfgContainer [2020-11-28 03:05:29,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:05:29,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:29,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:29,025 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:29,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:28" (3/4) ... [2020-11-28 03:05:29,030 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:05:29,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:29,032 INFO L168 Benchmark]: Toolchain (without parser) took 2272.81 ms. Allocated memory is still 130.0 MB. Free memory was 99.7 MB in the beginning and 86.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:29,033 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 37.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:29,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.18 ms. Allocated memory is still 130.0 MB. Free memory was 99.7 MB in the beginning and 102.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:29,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.91 ms. Allocated memory is still 130.0 MB. Free memory was 102.1 MB in the beginning and 99.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:29,040 INFO L168 Benchmark]: Boogie Preprocessor took 79.02 ms. Allocated memory is still 130.0 MB. Free memory was 99.6 MB in the beginning and 97.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:29,040 INFO L168 Benchmark]: RCFGBuilder took 854.15 ms. Allocated memory is still 130.0 MB. Free memory was 97.5 MB in the beginning and 66.5 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:29,041 INFO L168 Benchmark]: TraceAbstraction took 794.71 ms. Allocated memory is still 130.0 MB. Free memory was 66.0 MB in the beginning and 87.6 MB in the end (delta: -21.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:29,044 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 130.0 MB. Free memory was 87.6 MB in the beginning and 86.8 MB in the end (delta: 793.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:29,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 37.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 445.18 ms. Allocated memory is still 130.0 MB. Free memory was 99.7 MB in the beginning and 102.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.91 ms. Allocated memory is still 130.0 MB. Free memory was 102.1 MB in the beginning and 99.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.02 ms. Allocated memory is still 130.0 MB. Free memory was 99.6 MB in the beginning and 97.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 854.15 ms. Allocated memory is still 130.0 MB. Free memory was 97.5 MB in the beginning and 66.5 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 794.71 ms. Allocated memory is still 130.0 MB. Free memory was 66.0 MB in the beginning and 87.6 MB in the end (delta: -21.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.85 ms. Allocated memory is still 130.0 MB. Free memory was 87.6 MB in the beginning and 86.8 MB in the end (delta: 793.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 199, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of bitwiseAnd at line 127, overapproximation of someUnaryFLOAToperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 130. Possible FailurePath: [L26] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L109-L117] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L195] float x = 0.0f; [L120] float t, w, p, q, c, r, s; [L121] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L128] COND TRUE ix == 0x3f800000 [L130] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L196] float res = __ieee754_asinf(x); [L199] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L199] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L3] __assert_fail("0", "float_req_bl_0270b.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:05:31,970 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-28 03:05:32,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:32,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:32,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:32,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:32,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:32,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:32,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:32,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:32,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:32,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:32,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:32,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:05:32,180 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:32,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:32,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:32,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:32,182 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:32,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:32,182 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:32,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:32,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:32,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:05:32,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:05:32,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:05:32,184 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:05:32,184 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:05:32,184 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:32,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:32,185 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:32,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:05:32,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:32,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:32,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:05:32,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:05:32,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:32,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:32,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:05:32,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:05:32,187 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:05:32,187 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:05:32,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:05:32,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:32,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:05:32,188 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-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf16487f411039d120d72f1ea3eb73e7cb935c40 [2020-11-28 03:05:32,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:32,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:32,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:32,665 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:32,666 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:32,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2020-11-28 03:05:32,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data/ef798d42f/a1a07a39f4fb437d8bcd95fbda8d9afc/FLAG3ecd0635d [2020-11-28 03:05:33,441 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:33,442 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2020-11-28 03:05:33,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data/ef798d42f/a1a07a39f4fb437d8bcd95fbda8d9afc/FLAG3ecd0635d [2020-11-28 03:05:33,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/data/ef798d42f/a1a07a39f4fb437d8bcd95fbda8d9afc [2020-11-28 03:05:33,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:33,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:33,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:33,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:33,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:33,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:33,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332da15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:33, skipping insertion in model container [2020-11-28 03:05:33,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:33" (1/1) ... [2020-11-28 03:05:33,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:33,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:34,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:34,066 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:34,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:34,235 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:34,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34 WrapperNode [2020-11-28 03:05:34,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:34,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:34,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:34,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:34,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:34,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:34,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:34,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:34,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... [2020-11-28 03:05:34,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:34,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:34,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:34,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:34,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:05:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 03:05:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:05:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 03:05:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:05:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:05:46,145 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:46,146 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 03:05:46,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:46 BoogieIcfgContainer [2020-11-28 03:05:46,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:46,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:05:46,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:05:46,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:05:46,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:33" (1/3) ... [2020-11-28 03:05:46,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aaf5373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:46, skipping insertion in model container [2020-11-28 03:05:46,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:34" (2/3) ... [2020-11-28 03:05:46,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aaf5373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:46, skipping insertion in model container [2020-11-28 03:05:46,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:46" (3/3) ... [2020-11-28 03:05:46,159 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2020-11-28 03:05:46,173 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:05:46,179 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:05:46,194 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:05:46,224 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:05:46,224 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:05:46,224 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:05:46,225 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:46,225 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:46,225 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:05:46,225 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:46,226 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:05:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-11-28 03:05:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:05:46,249 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:46,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:46,250 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:46,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:46,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2020-11-28 03:05:46,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:05:46,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455490200] [2020-11-28 03:05:46,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:05:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:47,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 03:05:47,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:47,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:05:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:47,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455490200] [2020-11-28 03:05:47,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:47,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 03:05:47,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345902205] [2020-11-28 03:05:47,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:05:47,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:05:47,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:05:47,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:05:47,207 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-11-28 03:05:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:47,234 INFO L93 Difference]: Finished difference Result 119 states and 193 transitions. [2020-11-28 03:05:47,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:05:47,236 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-28 03:05:47,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:47,246 INFO L225 Difference]: With dead ends: 119 [2020-11-28 03:05:47,247 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 03:05:47,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:05:47,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 03:05:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 03:05:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 03:05:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2020-11-28 03:05:47,293 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2020-11-28 03:05:47,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:47,294 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-28 03:05:47,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:05:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-28 03:05:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:05:47,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:47,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:47,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:05:47,510 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:47,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:47,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2020-11-28 03:05:47,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:05:47,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964642265] [2020-11-28 03:05:47,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 03:05:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:48,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:05:48,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:48,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:05:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:48,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1964642265] [2020-11-28 03:05:48,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:48,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 03:05:48,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425051004] [2020-11-28 03:05:48,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:05:48,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:05:48,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:05:48,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:05:48,656 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2020-11-28 03:05:50,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:50,120 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2020-11-28 03:05:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:05:50,124 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-11-28 03:05:50,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:50,126 INFO L225 Difference]: With dead ends: 104 [2020-11-28 03:05:50,126 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 03:05:50,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:05:50,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 03:05:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 03:05:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 03:05:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2020-11-28 03:05:50,140 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2020-11-28 03:05:50,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:50,141 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2020-11-28 03:05:50,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:05:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2020-11-28 03:05:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:05:50,142 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:50,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:50,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:05:50,350 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:50,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:50,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2020-11-28 03:05:50,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:05:50,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294768960] [2020-11-28 03:05:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 03:05:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:50,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:05:50,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:51,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:05:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:51,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294768960] [2020-11-28 03:05:51,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:51,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2020-11-28 03:05:51,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821943562] [2020-11-28 03:05:51,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:05:51,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:05:51,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:05:51,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:05:51,144 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2020-11-28 03:05:51,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:51,404 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2020-11-28 03:05:51,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:05:51,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-11-28 03:05:51,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:51,408 INFO L225 Difference]: With dead ends: 69 [2020-11-28 03:05:51,409 INFO L226 Difference]: Without dead ends: 66 [2020-11-28 03:05:51,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:05:51,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-11-28 03:05:51,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2020-11-28 03:05:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-28 03:05:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2020-11-28 03:05:51,434 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2020-11-28 03:05:51,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:51,436 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2020-11-28 03:05:51,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:05:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2020-11-28 03:05:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:05:51,438 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:51,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:51,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 03:05:51,664 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:51,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:51,665 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2020-11-28 03:05:51,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:05:51,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38145164] [2020-11-28 03:05:51,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 03:05:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:52,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:05:52,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:52,417 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:05:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:52,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:05:52,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:52,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38145164] [2020-11-28 03:05:52,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:52,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-11-28 03:05:52,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761350687] [2020-11-28 03:05:52,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-28 03:05:52,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:05:52,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-28 03:05:52,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-28 03:05:52,815 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2020-11-28 03:05:53,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:53,511 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2020-11-28 03:05:53,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:05:53,513 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-28 03:05:53,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:53,514 INFO L225 Difference]: With dead ends: 66 [2020-11-28 03:05:53,514 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 03:05:53,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-11-28 03:05:53,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 03:05:53,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 03:05:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 03:05:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2020-11-28 03:05:53,530 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2020-11-28 03:05:53,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:53,530 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2020-11-28 03:05:53,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-28 03:05:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2020-11-28 03:05:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:05:53,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:53,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:53,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 03:05:53,738 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:53,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:53,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2020-11-28 03:05:53,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:05:53,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18521170] [2020-11-28 03:05:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-28 03:05:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:56,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:05:56,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:56,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:05:56,899 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-28 03:05:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:57,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18521170] [2020-11-28 03:05:57,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:57,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-28 03:05:57,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251524395] [2020-11-28 03:05:57,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:05:57,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:05:57,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:05:57,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:05:57,044 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2020-11-28 03:05:57,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:57,100 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2020-11-28 03:05:57,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:05:57,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-28 03:05:57,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:57,102 INFO L225 Difference]: With dead ends: 57 [2020-11-28 03:05:57,103 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:05:57,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:05:57,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:05:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:05:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:05:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:05:57,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2020-11-28 03:05:57,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:57,105 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:57,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:05:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:05:57,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:05:57,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 03:05:57,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:05:57,673 INFO L270 CegarLoopResult]: At program point L184(lines 119 185) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24)) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))))) [2020-11-28 03:05:57,673 INFO L274 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-11-28 03:05:57,673 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:05:57,673 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:05:57,673 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:05:57,674 INFO L274 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-11-28 03:05:57,674 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: false [2020-11-28 03:05:57,674 INFO L274 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-11-28 03:05:57,674 INFO L274 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-11-28 03:05:57,674 INFO L274 CegarLoopResult]: For program point L170-1(lines 162 180) no Hoare annotation was computed. [2020-11-28 03:05:57,674 INFO L274 CegarLoopResult]: For program point L170-2(lines 170 174) no Hoare annotation was computed. [2020-11-28 03:05:57,674 INFO L277 CegarLoopResult]: At program point L204(lines 187 205) the Hoare annotation is: true [2020-11-28 03:05:57,674 INFO L274 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2020-11-28 03:05:57,675 INFO L270 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_asin~0) (= ~huge_asin~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)))) [2020-11-28 03:05:57,675 INFO L274 CegarLoopResult]: For program point L56(lines 56 57) no Hoare annotation was computed. [2020-11-28 03:05:57,675 INFO L274 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2020-11-28 03:05:57,675 INFO L270 CegarLoopResult]: At program point L23(lines 14 24) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short28| (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))))) [2020-11-28 03:05:57,675 INFO L274 CegarLoopResult]: For program point L56-2(lines 56 57) no Hoare annotation was computed. [2020-11-28 03:05:57,675 INFO L270 CegarLoopResult]: At program point L106(lines 94 107) the Hoare annotation is: false [2020-11-28 03:05:57,676 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-11-28 03:05:57,676 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:05:57,676 INFO L274 CegarLoopResult]: For program point L75(lines 75 84) no Hoare annotation was computed. [2020-11-28 03:05:57,676 INFO L270 CegarLoopResult]: At program point L92(lines 28 93) the Hoare annotation is: false [2020-11-28 03:05:57,676 INFO L274 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-11-28 03:05:57,676 INFO L274 CegarLoopResult]: For program point L159(lines 159 180) no Hoare annotation was computed. [2020-11-28 03:05:57,676 INFO L274 CegarLoopResult]: For program point L159-2(lines 119 185) no Hoare annotation was computed. [2020-11-28 03:05:57,676 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-28 03:05:57,677 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:05:57,677 INFO L274 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-11-28 03:05:57,677 INFO L274 CegarLoopResult]: For program point L128(lines 128 148) no Hoare annotation was computed. [2020-11-28 03:05:57,680 INFO L274 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-11-28 03:05:57,680 INFO L274 CegarLoopResult]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2020-11-28 03:05:57,680 INFO L270 CegarLoopResult]: At program point L96-2(lines 96 100) the Hoare annotation is: false [2020-11-28 03:05:57,681 INFO L270 CegarLoopResult]: At program point L64-2(lines 64 73) the Hoare annotation is: false [2020-11-28 03:05:57,681 INFO L274 CegarLoopResult]: For program point L64-3(lines 28 93) no Hoare annotation was computed. [2020-11-28 03:05:57,681 INFO L274 CegarLoopResult]: For program point L131(lines 131 148) no Hoare annotation was computed. [2020-11-28 03:05:57,681 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:05:57,681 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:05:57,682 INFO L274 CegarLoopResult]: For program point L49(lines 49 53) no Hoare annotation was computed. [2020-11-28 03:05:57,682 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 53) no Hoare annotation was computed. [2020-11-28 03:05:57,682 INFO L274 CegarLoopResult]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2020-11-28 03:05:57,682 INFO L270 CegarLoopResult]: At program point L165-2(lines 165 169) the Hoare annotation is: false [2020-11-28 03:05:57,682 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-28 03:05:57,683 INFO L274 CegarLoopResult]: For program point L33-1(lines 33 37) no Hoare annotation was computed. [2020-11-28 03:05:57,683 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 70) no Hoare annotation was computed. [2020-11-28 03:05:57,683 INFO L270 CegarLoopResult]: At program point L33-2(lines 33 37) the Hoare annotation is: false [2020-11-28 03:05:57,683 INFO L274 CegarLoopResult]: For program point L33-3(lines 33 37) no Hoare annotation was computed. [2020-11-28 03:05:57,683 INFO L274 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2020-11-28 03:05:57,683 INFO L274 CegarLoopResult]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2020-11-28 03:05:57,684 INFO L270 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2020-11-28 03:05:57,684 INFO L270 CegarLoopResult]: At program point L17-2(lines 17 21) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short28| (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))))) [2020-11-28 03:05:57,684 INFO L274 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2020-11-28 03:05:57,684 INFO L274 CegarLoopResult]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2020-11-28 03:05:57,685 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-28 03:05:57,685 INFO L274 CegarLoopResult]: For program point L133(lines 133 148) no Hoare annotation was computed. [2020-11-28 03:05:57,685 INFO L274 CegarLoopResult]: For program point L199-2(lines 199 202) no Hoare annotation was computed. [2020-11-28 03:05:57,685 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 148) no Hoare annotation was computed. [2020-11-28 03:05:57,685 INFO L274 CegarLoopResult]: For program point L134(lines 134 147) no Hoare annotation was computed. [2020-11-28 03:05:57,685 INFO L274 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-11-28 03:05:57,686 INFO L274 CegarLoopResult]: For program point L101-1(lines 94 107) no Hoare annotation was computed. [2020-11-28 03:05:57,686 INFO L274 CegarLoopResult]: For program point L101-2(lines 101 105) no Hoare annotation was computed. [2020-11-28 03:05:57,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,708 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,717 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,734 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:05:57,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:05:57,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:57 BoogieIcfgContainer [2020-11-28 03:05:57,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:05:57,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:57,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:57,743 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:57,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:46" (3/4) ... [2020-11-28 03:05:57,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:05:57,771 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-28 03:05:57,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:05:57,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:57,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:57,804 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~Pluszero~LONGDOUBLE() && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0])) [2020-11-28 03:05:57,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0])) [2020-11-28 03:05:57,807 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == 0bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0])) [2020-11-28 03:05:57,871 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b38641c4-6941-44b0-8cac-0a405c843214/bin/uautomizer/witness.graphml [2020-11-28 03:05:57,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:57,874 INFO L168 Benchmark]: Toolchain (without parser) took 24168.00 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 46.2 MB in the beginning and 51.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:57,875 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 65.0 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:57,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.84 ms. Allocated memory is still 65.0 MB. Free memory was 45.9 MB in the beginning and 48.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:57,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.85 ms. Allocated memory is still 65.0 MB. Free memory was 48.4 MB in the beginning and 45.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:57,881 INFO L168 Benchmark]: Boogie Preprocessor took 52.03 ms. Allocated memory is still 65.0 MB. Free memory was 45.8 MB in the beginning and 43.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:57,882 INFO L168 Benchmark]: RCFGBuilder took 11750.73 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 43.4 MB in the beginning and 54.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:57,882 INFO L168 Benchmark]: TraceAbstraction took 11592.64 ms. Allocated memory is still 90.2 MB. Free memory was 53.6 MB in the beginning and 57.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:57,882 INFO L168 Benchmark]: Witness Printer took 129.20 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 51.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:57,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 65.0 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 527.84 ms. Allocated memory is still 65.0 MB. Free memory was 45.9 MB in the beginning and 48.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.85 ms. Allocated memory is still 65.0 MB. Free memory was 48.4 MB in the beginning and 45.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.03 ms. Allocated memory is still 65.0 MB. Free memory was 45.8 MB in the beginning and 43.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11750.73 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 43.4 MB in the beginning and 54.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11592.64 ms. Allocated memory is still 90.2 MB. Free memory was 53.6 MB in the beginning and 57.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Witness Printer took 129.20 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 51.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant [2020-11-28 03:05:57,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((\result == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0])) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant [2020-11-28 03:05:57,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((\result == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == 0bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0])) - InvariantResult [Line: 119]: Loop Invariant [2020-11-28 03:05:57,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 03:05:57,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\result == ~Pluszero~LONGDOUBLE() && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0])) - InvariantResult [Line: 122]: Loop Invariant [2020-11-28 03:05:57,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:05:57,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 03:05:57,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 03:05:57,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_asin) && huge_asin == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 516 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 152 HoareAnnotationTreeSize, 13 FomulaSimplifications, 78 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 15289 SizeOfPredicates, 28 NumberOfNonLiveVariables, 393 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 proved your program to be correct! Received shutdown request...