./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c -s /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6017db04fd0c3d76a17184976602c114f74dffa4 ............................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c -s /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6017db04fd0c3d76a17184976602c114f74dffa4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:38:16,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:38:16,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:38:16,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:38:16,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:38:16,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:38:16,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:38:16,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:38:16,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:38:16,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:38:16,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:38:16,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:38:16,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:38:16,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:38:16,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:38:16,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:38:16,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:38:16,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:38:16,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:38:16,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:38:16,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:38:16,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:38:16,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:38:16,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:38:16,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:38:16,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:38:16,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:38:16,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:38:16,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:38:16,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:38:16,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:38:16,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:38:16,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:38:16,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:38:16,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:38:16,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:38:16,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:38:16,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:38:16,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:38:16,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:38:16,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:38:16,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:38:16,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:38:16,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:38:16,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:38:16,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:38:16,439 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:38:16,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:38:16,439 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:38:16,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:38:16,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:38:16,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:38:16,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:38:16,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:38:16,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:38:16,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:38:16,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:38:16,442 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:38:16,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:38:16,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:38:16,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:38:16,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:38:16,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:38:16,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:38:16,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:38:16,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:38:16,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:38:16,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:38:16,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:38:16,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:38:16,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_09638cbc-04cc-43fd-a6a9-3d37916c110f/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(__VERIFIER_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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-11-20 02:38:16,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:38:16,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:38:16,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:38:16,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:38:16,636 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:38:16,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-20 02:38:16,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data/fbeffcecc/d18207b6f4d746d793f54abdcccda1c1/FLAG9e28fbe75 [2019-11-20 02:38:17,086 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:38:17,087 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-20 02:38:17,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data/fbeffcecc/d18207b6f4d746d793f54abdcccda1c1/FLAG9e28fbe75 [2019-11-20 02:38:17,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data/fbeffcecc/d18207b6f4d746d793f54abdcccda1c1 [2019-11-20 02:38:17,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:38:17,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:38:17,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:38:17,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:38:17,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:38:17,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332ee523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17, skipping insertion in model container [2019-11-20 02:38:17,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,122 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:38:17,146 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:38:17,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:38:17,483 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:38:17,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:38:17,558 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:38:17,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17 WrapperNode [2019-11-20 02:38:17,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:38:17,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:38:17,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:38:17,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:38:17,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:38:17,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:38:17,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:38:17,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:38:17,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... [2019-11-20 02:38:17,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:38:17,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:38:17,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:38:17,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:38:17,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/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 [2019-11-20 02:38:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:38:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 02:38:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:38:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 02:38:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:38:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:38:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:38:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:38:18,144 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:38:18,144 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 02:38:18,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:38:18 BoogieIcfgContainer [2019-11-20 02:38:18,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:38:18,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:38:18,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:38:18,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:38:18,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:38:17" (1/3) ... [2019-11-20 02:38:18,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c614f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:38:18, skipping insertion in model container [2019-11-20 02:38:18,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:17" (2/3) ... [2019-11-20 02:38:18,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c614f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:38:18, skipping insertion in model container [2019-11-20 02:38:18,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:38:18" (3/3) ... [2019-11-20 02:38:18,151 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2019-11-20 02:38:18,158 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:38:18,164 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:38:18,171 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:38:18,192 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:38:18,193 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:38:18,193 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:38:18,193 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:38:18,193 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:38:18,193 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:38:18,193 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:38:18,193 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:38:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-20 02:38:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 02:38:18,216 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:38:18,217 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:38:18,217 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:38:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:38:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-11-20 02:38:18,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:38:18,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573313120] [2019-11-20 02:38:18,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:38:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:38:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:18,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573313120] [2019-11-20 02:38:18,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:38:18,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:38:18,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475452324] [2019-11-20 02:38:18,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:38:18,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:38:18,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:38:18,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:38:18,344 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-20 02:38:18,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:38:18,362 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-11-20 02:38:18,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:38:18,363 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 02:38:18,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:38:18,371 INFO L225 Difference]: With dead ends: 86 [2019-11-20 02:38:18,372 INFO L226 Difference]: Without dead ends: 41 [2019-11-20 02:38:18,375 INFO L630 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 [2019-11-20 02:38:18,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-20 02:38:18,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-20 02:38:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-20 02:38:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-11-20 02:38:18,406 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-11-20 02:38:18,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:38:18,406 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-11-20 02:38:18,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:38:18,406 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-11-20 02:38:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:38:18,407 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:38:18,407 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:38:18,407 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:38:18,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:38:18,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-11-20 02:38:18,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:38:18,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125329026] [2019-11-20 02:38:18,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:38:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:38:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:38:18,487 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:38:18,487 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 02:38:18,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:38:18 BoogieIcfgContainer [2019-11-20 02:38:18,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:38:18,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:38:18,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:38:18,521 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:38:18,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:38:18" (3/4) ... [2019-11-20 02:38:18,525 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:38:18,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:38:18,527 INFO L168 Benchmark]: Toolchain (without parser) took 1417.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:18,527 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:38:18,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:18,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:38:18,529 INFO L168 Benchmark]: Boogie Preprocessor took 31.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:38:18,529 INFO L168 Benchmark]: RCFGBuilder took 510.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:18,530 INFO L168 Benchmark]: TraceAbstraction took 374.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:18,530 INFO L168 Benchmark]: Witness Printer took 4.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:38:18,533 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 450.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 510.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 374.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 115. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L153] float x = 0.0f / 0.0f; [L105] float y, z; [L106] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L109] ieee_float_shape_type gf_u; [L110] gf_u.value = (x) [L111] EXPR gf_u.word [L111] (hx) = gf_u.word [L114] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] float res = __ieee754_log10f(x); [L144] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L157] COND TRUE !isnan_float(res) [L158] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 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=44occurred 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, 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 0.1.24-678e011 [2019-11-20 02:38:20,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:38:20,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:38:20,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-20 02:38:20,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:38:20,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:38:20,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:38:20,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:38:20,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:38:20,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:38:20,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:38:20,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:38:20,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:38:20,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:38:20,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:38:20,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:38:20,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-20 02:38:20,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:38:20,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:38:20,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:38:20,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:38:20,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:38:20,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:38:20,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:38:20,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:38:20,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:38:20,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:38:20,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:38:20,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 02:38:20,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:38:20,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:38:20,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:38:20,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:38:20,495 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:38:20,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:38:20,495 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:38:20,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:38:20,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:38:20,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:38:20,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:38:20,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:38:20,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 02:38:20,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 02:38:20,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:38:20,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:38:20,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:38:20,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:38:20,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:38:20,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:38:20,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:38:20,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:38:20,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:38:20,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:38:20,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:38:20,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:38:20,500 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 02:38:20,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 02:38:20,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:38:20,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 02:38:20,501 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_09638cbc-04cc-43fd-a6a9-3d37916c110f/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(__VERIFIER_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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-11-20 02:38:20,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:38:20,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:38:20,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:38:20,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:38:20,828 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:38:20,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-20 02:38:20,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data/287271f3b/fb5a790986154a1985f826f847ade183/FLAGbd8ae26bb [2019-11-20 02:38:21,332 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:38:21,337 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-20 02:38:21,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data/287271f3b/fb5a790986154a1985f826f847ade183/FLAGbd8ae26bb [2019-11-20 02:38:21,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/data/287271f3b/fb5a790986154a1985f826f847ade183 [2019-11-20 02:38:21,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:38:21,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:38:21,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:38:21,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:38:21,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:38:21,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:38:21" (1/1) ... [2019-11-20 02:38:21,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598fea5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:21, skipping insertion in model container [2019-11-20 02:38:21,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:38:21" (1/1) ... [2019-11-20 02:38:21,775 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:38:21,803 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:38:22,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:38:22,075 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:38:22,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:38:22,216 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:38:22,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22 WrapperNode [2019-11-20 02:38:22,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:38:22,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:38:22,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:38:22,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:38:22,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:38:22,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:38:22,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:38:22,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:38:22,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... [2019-11-20 02:38:22,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:38:22,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:38:22,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:38:22,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:38:22,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/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 [2019-11-20 02:38:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:38:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 02:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 02:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:38:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 02:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 02:38:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:38:36,472 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:38:36,473 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 02:38:36,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:38:36 BoogieIcfgContainer [2019-11-20 02:38:36,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:38:36,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:38:36,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:38:36,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:38:36,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:38:21" (1/3) ... [2019-11-20 02:38:36,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50851ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:38:36, skipping insertion in model container [2019-11-20 02:38:36,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:38:22" (2/3) ... [2019-11-20 02:38:36,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50851ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:38:36, skipping insertion in model container [2019-11-20 02:38:36,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:38:36" (3/3) ... [2019-11-20 02:38:36,483 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2019-11-20 02:38:36,491 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:38:36,499 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:38:36,509 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:38:36,532 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:38:36,532 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:38:36,532 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:38:36,533 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:38:36,533 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:38:36,533 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:38:36,533 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:38:36,534 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:38:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-20 02:38:36,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 02:38:36,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:38:36,554 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:38:36,555 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:38:36,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:38:36,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-11-20 02:38:36,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:38:36,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84190879] [2019-11-20 02:38:36,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/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 [2019-11-20 02:38:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:38:36,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 02:38:36,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:38:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:36,839 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:38:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:36,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84190879] [2019-11-20 02:38:36,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:38:36,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 02:38:36,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864269768] [2019-11-20 02:38:36,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:38:36,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:38:36,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:38:36,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:38:36,861 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-20 02:38:36,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:38:36,878 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-11-20 02:38:36,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:38:36,879 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 02:38:36,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:38:36,889 INFO L225 Difference]: With dead ends: 86 [2019-11-20 02:38:36,889 INFO L226 Difference]: Without dead ends: 41 [2019-11-20 02:38:36,892 INFO L630 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 [2019-11-20 02:38:36,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-20 02:38:36,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-20 02:38:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-20 02:38:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-11-20 02:38:36,924 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-11-20 02:38:36,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:38:36,925 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-11-20 02:38:36,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:38:36,925 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-11-20 02:38:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:38:36,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:38:36,926 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:38:37,140 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 02:38:37,140 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:38:37,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:38:37,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-11-20 02:38:37,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:38:37,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779947143] [2019-11-20 02:38:37,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/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 [2019-11-20 02:38:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:38:37,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 02:38:37,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:38:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:37,473 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:38:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:37,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779947143] [2019-11-20 02:38:37,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:38:37,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 02:38:37,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125487696] [2019-11-20 02:38:37,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:38:37,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:38:37,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:38:37,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:38:37,533 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 6 states. [2019-11-20 02:38:38,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:38:38,032 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-11-20 02:38:38,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:38:38,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-20 02:38:38,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:38:38,034 INFO L225 Difference]: With dead ends: 51 [2019-11-20 02:38:38,034 INFO L226 Difference]: Without dead ends: 46 [2019-11-20 02:38:38,035 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:38:38,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-20 02:38:38,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2019-11-20 02:38:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-20 02:38:38,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2019-11-20 02:38:38,044 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 10 [2019-11-20 02:38:38,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:38:38,044 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-11-20 02:38:38,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:38:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2019-11-20 02:38:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 02:38:38,045 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:38:38,045 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:38:38,270 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 02:38:38,270 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:38:38,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:38:38,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2019-11-20 02:38:38,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:38:38,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883959699] [2019-11-20 02:38:38,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/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 [2019-11-20 02:38:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:38:38,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 02:38:38,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:38:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:38,677 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:38:43,613 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-11-20 02:38:43,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:43,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883959699] [2019-11-20 02:38:43,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:38:43,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 02:38:43,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489651840] [2019-11-20 02:38:43,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 02:38:43,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:38:43,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 02:38:43,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-20 02:38:43,628 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand 10 states. [2019-11-20 02:38:46,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:38:46,587 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2019-11-20 02:38:46,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:38:46,590 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-11-20 02:38:46,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:38:46,591 INFO L225 Difference]: With dead ends: 46 [2019-11-20 02:38:46,591 INFO L226 Difference]: Without dead ends: 41 [2019-11-20 02:38:46,592 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-11-20 02:38:46,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-20 02:38:46,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-20 02:38:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-20 02:38:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2019-11-20 02:38:46,605 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 11 [2019-11-20 02:38:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:38:46,606 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2019-11-20 02:38:46,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 02:38:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2019-11-20 02:38:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 02:38:46,607 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:38:46,608 INFO L410 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] [2019-11-20 02:38:46,823 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 02:38:46,823 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:38:46,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:38:46,824 INFO L82 PathProgramCache]: Analyzing trace with hash -256490092, now seen corresponding path program 1 times [2019-11-20 02:38:46,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:38:46,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040547072] [2019-11-20 02:38:46,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/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 [2019-11-20 02:38:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:38:47,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:38:47,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:38:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:47,441 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:38:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:38:47,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040547072] [2019-11-20 02:38:47,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:38:47,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 02:38:47,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927444244] [2019-11-20 02:38:47,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 02:38:47,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:38:47,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 02:38:47,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:38:47,514 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand 8 states. [2019-11-20 02:38:47,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:38:47,587 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-20 02:38:47,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:38:47,587 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-20 02:38:47,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:38:47,588 INFO L225 Difference]: With dead ends: 41 [2019-11-20 02:38:47,588 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:38:47,588 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-20 02:38:47,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:38:47,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:38:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:38:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:38:47,589 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-11-20 02:38:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:38:47,589 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:38:47,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 02:38:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:38:47,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:38:47,797 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 02:38:47,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 02:38:48,005 INFO L440 ceAbstractionStarter]: At program point L93(lines 19 95) the Hoare annotation is: false [2019-11-20 02:38:48,006 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2019-11-20 02:38:48,006 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2019-11-20 02:38:48,006 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 02:38:48,006 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 02:38:48,006 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2019-11-20 02:38:48,006 INFO L440 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= ~zero~0 .cse0) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0))) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)))) [2019-11-20 02:38:48,007 INFO L447 ceAbstractionStarter]: At program point L162(lines 146 163) the Hoare annotation is: true [2019-11-20 02:38:48,007 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-20 02:38:48,007 INFO L444 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-11-20 02:38:48,007 INFO L444 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2019-11-20 02:38:48,007 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2019-11-20 02:38:48,007 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2019-11-20 02:38:48,007 INFO L440 ceAbstractionStarter]: At program point L39-2(lines 39 43) the Hoare annotation is: false [2019-11-20 02:38:48,008 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2019-11-20 02:38:48,008 INFO L444 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2019-11-20 02:38:48,008 INFO L440 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2019-11-20 02:38:48,008 INFO L444 ceAbstractionStarter]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2019-11-20 02:38:48,008 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2019-11-20 02:38:48,008 INFO L440 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-11-20 02:38:48,008 INFO L444 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-11-20 02:38:48,009 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2019-11-20 02:38:48,009 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-20 02:38:48,009 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 02:38:48,009 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2019-11-20 02:38:48,009 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-11-20 02:38:48,009 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2019-11-20 02:38:48,010 INFO L444 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2019-11-20 02:38:48,010 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2019-11-20 02:38:48,010 INFO L440 ceAbstractionStarter]: At program point L140(lines 104 141) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= ~zero~0 .cse0) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0))) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)))) [2019-11-20 02:38:48,010 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 02:38:48,010 INFO L444 ceAbstractionStarter]: For program point L157(lines 157 160) no Hoare annotation was computed. [2019-11-20 02:38:48,010 INFO L444 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2019-11-20 02:38:48,011 INFO L440 ceAbstractionStarter]: At program point L124-2(lines 124 128) the Hoare annotation is: false [2019-11-20 02:38:48,011 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-11-20 02:38:48,011 INFO L440 ceAbstractionStarter]: At program point L108-2(lines 108 112) the Hoare annotation is: (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (= ULTIMATE.start___ieee754_log10f_~x (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2019-11-20 02:38:48,011 INFO L444 ceAbstractionStarter]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2019-11-20 02:38:48,011 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-20 02:38:48,011 INFO L444 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-11-20 02:38:48,011 INFO L444 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-11-20 02:38:48,012 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2019-11-20 02:38:48,012 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2019-11-20 02:38:48,012 INFO L440 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2019-11-20 02:38:48,012 INFO L444 ceAbstractionStarter]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2019-11-20 02:38:48,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:38:48 BoogieIcfgContainer [2019-11-20 02:38:48,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:38:48,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:38:48,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:38:48,050 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:38:48,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:38:36" (3/4) ... [2019-11-20 02:38:48,054 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:38:48,069 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-20 02:38:48,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 02:38:48,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:38:48,096 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2019-11-20 02:38:48,097 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2019-11-20 02:38:48,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_09638cbc-04cc-43fd-a6a9-3d37916c110f/bin/uautomizer/witness.graphml [2019-11-20 02:38:48,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:38:48,143 INFO L168 Benchmark]: Toolchain (without parser) took 26382.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.4 MB in the beginning and 947.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 159.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:48,144 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:38:48,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:48,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:38:48,145 INFO L168 Benchmark]: Boogie Preprocessor took 41.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:48,145 INFO L168 Benchmark]: RCFGBuilder took 14160.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:48,146 INFO L168 Benchmark]: TraceAbstraction took 11574.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.1 MB in the end (delta: 148.1 MB). Peak memory consumption was 148.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:48,146 INFO L168 Benchmark]: Witness Printer took 92.71 ms. Allocated memory is still 1.2 GB. Free memory was 954.1 MB in the beginning and 947.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:38:48,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 454.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14160.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11574.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.1 MB in the end (delta: 148.1 MB). Peak memory consumption was 148.1 MB. Max. memory is 11.5 GB. * Witness Printer took 92.71 ms. Allocated memory is still 1.2 GB. Free memory was 954.1 MB in the beginning and 947.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 108]: Loop Invariant [2019-11-20 02:38:48,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2019-11-20 02:38:48,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 104]: Loop Invariant [2019-11-20 02:38:48,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:38:48,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: SAFE, OverallTime: 11.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 151 SDtfs, 175 SDslu, 308 SDs, 0 SdLazy, 70 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 92 HoareAnnotationTreeSize, 10 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 2 QuantifiedInterpolants, 6506 SizeOfPredicates, 19 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...