./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.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_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 31da98a788dd1938c78053bade42bc512d4e8954 ......................................................................................................................................................................................................................................................................................................................................................... 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_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 31da98a788dd1938c78053bade42bc512d4e8954 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:49:01,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:49:01,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:49:01,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:49:01,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:49:01,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:49:01,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:49:01,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:49:01,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:49:01,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:49:01,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:49:01,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:49:01,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:49:01,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:49:01,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:49:01,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:49:01,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:49:01,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:49:01,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:49:01,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:49:01,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:49:01,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:49:01,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:49:01,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:49:01,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:49:01,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:49:01,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:49:01,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:49:01,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:49:01,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:49:01,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:49:01,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:49:01,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:49:01,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:49:01,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:49:01,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:49:01,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:49:01,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:49:01,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:49:01,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:49:01,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:49:01,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:49:01,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:49:01,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:49:01,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:49:01,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:49:01,446 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:49:01,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:49:01,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:49:01,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:49:01,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:49:01,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:49:01,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:49:01,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:49:01,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:49:01,448 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:49:01,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:49:01,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:49:01,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:49:01,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:49:01,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:49:01,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:49:01,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:49:01,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:49:01,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:49:01,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:49:01,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:49:01,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:49:01,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:49:01,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:49:01,452 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_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 -> 31da98a788dd1938c78053bade42bc512d4e8954 [2019-11-20 03:49:01,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:49:01,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:49:01,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:49:01,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:49:01,606 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:49:01,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c [2019-11-20 03:49:01,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data/172f83f81/dc740304a2cd4abd8aacbebaec0db6a1/FLAG6e205fd22 [2019-11-20 03:49:02,010 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:49:02,010 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/sv-benchmarks/c/float-newlib/float_req_bl_1230.c [2019-11-20 03:49:02,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data/172f83f81/dc740304a2cd4abd8aacbebaec0db6a1/FLAG6e205fd22 [2019-11-20 03:49:02,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data/172f83f81/dc740304a2cd4abd8aacbebaec0db6a1 [2019-11-20 03:49:02,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:49:02,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:49:02,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:49:02,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:49:02,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:49:02,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528355a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02, skipping insertion in model container [2019-11-20 03:49:02,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,403 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:49:02,423 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:49:02,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:49:02,594 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:49:02,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:49:02,711 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:49:02,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02 WrapperNode [2019-11-20 03:49:02,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:49:02,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:49:02,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:49:02,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:49:02,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:49:02,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:49:02,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:49:02,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:49:02,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... [2019-11-20 03:49:02,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:49:02,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:49:02,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:49:02,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:49:02,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 03:49:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 03:49:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:49:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:49:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:49:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:49:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:49:03,168 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:49:03,168 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 03:49:03,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:03 BoogieIcfgContainer [2019-11-20 03:49:03,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:49:03,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:49:03,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:49:03,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:49:03,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:49:02" (1/3) ... [2019-11-20 03:49:03,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5969773e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:49:03, skipping insertion in model container [2019-11-20 03:49:03,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:02" (2/3) ... [2019-11-20 03:49:03,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5969773e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:49:03, skipping insertion in model container [2019-11-20 03:49:03,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:03" (3/3) ... [2019-11-20 03:49:03,177 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1230.c [2019-11-20 03:49:03,183 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:49:03,188 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:49:03,195 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:49:03,215 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:49:03,215 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:49:03,215 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:49:03,215 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:49:03,215 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:49:03,215 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:49:03,216 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:49:03,216 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:49:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-20 03:49:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:49:03,234 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:03,235 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:03,235 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:03,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:03,240 INFO L82 PathProgramCache]: Analyzing trace with hash -958093107, now seen corresponding path program 1 times [2019-11-20 03:49:03,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:49:03,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222969373] [2019-11-20 03:49:03,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:49:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:03,335 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 03:49:03,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222969373] [2019-11-20 03:49:03,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:03,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:49:03,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526243434] [2019-11-20 03:49:03,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 03:49:03,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:49:03,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:49:03,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:49:03,350 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-11-20 03:49:03,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:03,365 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2019-11-20 03:49:03,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:49:03,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 03:49:03,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:03,375 INFO L225 Difference]: With dead ends: 54 [2019-11-20 03:49:03,375 INFO L226 Difference]: Without dead ends: 25 [2019-11-20 03:49:03,378 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 03:49:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-20 03:49:03,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-20 03:49:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 03:49:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2019-11-20 03:49:03,406 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 10 [2019-11-20 03:49:03,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:03,406 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2019-11-20 03:49:03,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 03:49:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2019-11-20 03:49:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:49:03,407 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:03,407 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:03,407 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:03,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:03,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1001566992, now seen corresponding path program 1 times [2019-11-20 03:49:03,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:49:03,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004911642] [2019-11-20 03:49:03,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:49:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:03,479 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 03:49:03,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004911642] [2019-11-20 03:49:03,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:03,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:49:03,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732457487] [2019-11-20 03:49:03,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 03:49:03,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:49:03,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:49:03,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:49:03,482 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand 4 states. [2019-11-20 03:49:03,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:03,549 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-20 03:49:03,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:49:03,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-20 03:49:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:03,551 INFO L225 Difference]: With dead ends: 41 [2019-11-20 03:49:03,551 INFO L226 Difference]: Without dead ends: 36 [2019-11-20 03:49:03,552 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:49:03,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-20 03:49:03,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2019-11-20 03:49:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 03:49:03,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-20 03:49:03,557 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 11 [2019-11-20 03:49:03,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:03,558 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-20 03:49:03,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 03:49:03,558 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-20 03:49:03,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 03:49:03,559 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:03,559 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:03,559 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:03,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:03,560 INFO L82 PathProgramCache]: Analyzing trace with hash -555778251, now seen corresponding path program 1 times [2019-11-20 03:49:03,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:49:03,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196055968] [2019-11-20 03:49:03,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:49:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:03,641 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 03:49:03,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196055968] [2019-11-20 03:49:03,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:03,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:49:03,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140520462] [2019-11-20 03:49:03,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 03:49:03,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:49:03,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:49:03,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:49:03,644 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 4 states. [2019-11-20 03:49:03,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:03,695 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2019-11-20 03:49:03,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:49:03,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-20 03:49:03,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:03,697 INFO L225 Difference]: With dead ends: 43 [2019-11-20 03:49:03,697 INFO L226 Difference]: Without dead ends: 38 [2019-11-20 03:49:03,697 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:49:03,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-20 03:49:03,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 27. [2019-11-20 03:49:03,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 03:49:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-20 03:49:03,702 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 14 [2019-11-20 03:49:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:03,703 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-20 03:49:03,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 03:49:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-20 03:49:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 03:49:03,704 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:03,704 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:03,704 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:03,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:03,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1219229111, now seen corresponding path program 1 times [2019-11-20 03:49:03,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:49:03,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891047126] [2019-11-20 03:49:03,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:49:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:49:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:49:03,810 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:49:03,810 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 03:49:03,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:49:03 BoogieIcfgContainer [2019-11-20 03:49:03,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:49:03,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:49:03,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:49:03,839 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:49:03,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:03" (3/4) ... [2019-11-20 03:49:03,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:49:03,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:49:03,845 INFO L168 Benchmark]: Toolchain (without parser) took 1456.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -109.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:03,845 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 03:49:03,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:03,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.98 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 03:49:03,847 INFO L168 Benchmark]: Boogie Preprocessor took 32.53 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:03,848 INFO L168 Benchmark]: RCFGBuilder took 372.44 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:03,848 INFO L168 Benchmark]: TraceAbstraction took 668.26 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:03,849 INFO L168 Benchmark]: Witness Printer took 3.85 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 03:49:03,852 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 324.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.98 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. * Boogie Preprocessor took 32.53 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 372.44 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 668.26 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.85 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: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L54] float x = 0.0f / 0.0f; [L55] float y = 0.0f / 0.0f; [L12] __uint32_t w; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L20] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L22-L23] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L25-L26] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L28] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L31] return 0; [L35] COND TRUE __fpclassify_float(x) == 0 [L36] return y; [L56] float res = fmin_float(x, y); [L44] return x != x; [L58] COND TRUE !isnan_float(res) [L59] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 110 SDtfs, 22 SDslu, 110 SDs, 0 SdLazy, 30 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 03:49:05,788 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-20 03:49:05,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:49:05,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:49:05,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:49:05,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:49:05,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:49:05,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:49:05,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:49:05,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:49:05,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:49:05,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:49:05,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:49:05,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:49:05,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:49:05,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:49:05,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:49:05,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:49:05,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:49:05,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:49:05,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:49:05,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:49:05,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:49:05,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:49:05,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:49:05,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:49:05,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:49:05,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:49:05,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:49:05,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:49:05,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:49:05,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 03:49:05,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:49:05,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:49:05,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:49:05,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:49:05,892 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:49:05,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:49:05,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:49:05,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:49:05,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:49:05,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:49:05,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:49:05,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:49:05,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 03:49:05,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 03:49:05,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:49:05,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:49:05,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:49:05,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:49:05,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:49:05,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:49:05,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:49:05,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:49:05,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:49:05,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:49:05,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:49:05,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:49:05,897 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 03:49:05,898 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 03:49:05,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:49:05,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 03:49:05,898 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_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 -> 31da98a788dd1938c78053bade42bc512d4e8954 [2019-11-20 03:49:06,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:49:06,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:49:06,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:49:06,181 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:49:06,181 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:49:06,183 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c [2019-11-20 03:49:06,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data/337c05685/719f4c2a9a4d4a9fad90334d4093fb8f/FLAG13192334f [2019-11-20 03:49:06,658 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:49:06,659 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/sv-benchmarks/c/float-newlib/float_req_bl_1230.c [2019-11-20 03:49:06,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data/337c05685/719f4c2a9a4d4a9fad90334d4093fb8f/FLAG13192334f [2019-11-20 03:49:07,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/data/337c05685/719f4c2a9a4d4a9fad90334d4093fb8f [2019-11-20 03:49:07,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:49:07,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:49:07,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:49:07,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:49:07,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:49:07,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52afd082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07, skipping insertion in model container [2019-11-20 03:49:07,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,107 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:49:07,126 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:49:07,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:49:07,299 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:49:07,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:49:07,345 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:49:07,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07 WrapperNode [2019-11-20 03:49:07,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:49:07,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:49:07,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:49:07,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:49:07,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:49:07,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:49:07,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:49:07,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:49:07,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... [2019-11-20 03:49:07,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:49:07,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:49:07,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:49:07,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:49:07,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 03:49:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 03:49:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:49:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:49:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 03:49:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:49:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:49:07,894 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:49:07,894 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 03:49:07,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:07 BoogieIcfgContainer [2019-11-20 03:49:07,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:49:07,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:49:07,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:49:07,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:49:07,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:49:07" (1/3) ... [2019-11-20 03:49:07,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6290350a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:49:07, skipping insertion in model container [2019-11-20 03:49:07,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:49:07" (2/3) ... [2019-11-20 03:49:07,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6290350a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:49:07, skipping insertion in model container [2019-11-20 03:49:07,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:07" (3/3) ... [2019-11-20 03:49:07,901 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1230.c [2019-11-20 03:49:07,907 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:49:07,913 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:49:07,920 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:49:07,937 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:49:07,937 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:49:07,938 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:49:07,938 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:49:07,938 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:49:07,938 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:49:07,938 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:49:07,939 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:49:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-20 03:49:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:49:07,957 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:07,958 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:07,958 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:07,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:07,963 INFO L82 PathProgramCache]: Analyzing trace with hash -958093107, now seen corresponding path program 1 times [2019-11-20 03:49:07,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:49:07,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889898326] [2019-11-20 03:49:07,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 03:49:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:08,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 03:49:08,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:49:08,076 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 03:49:08,076 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:49:08,079 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 03:49:08,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889898326] [2019-11-20 03:49:08,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:08,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 03:49:08,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828772419] [2019-11-20 03:49:08,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 03:49:08,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:49:08,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:49:08,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:49:08,099 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-11-20 03:49:08,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:08,114 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2019-11-20 03:49:08,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:49:08,115 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 03:49:08,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:08,124 INFO L225 Difference]: With dead ends: 54 [2019-11-20 03:49:08,124 INFO L226 Difference]: Without dead ends: 25 [2019-11-20 03:49:08,127 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 03:49:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-20 03:49:08,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-20 03:49:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 03:49:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2019-11-20 03:49:08,158 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 10 [2019-11-20 03:49:08,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:08,158 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2019-11-20 03:49:08,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 03:49:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2019-11-20 03:49:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:49:08,159 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:08,159 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:08,360 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 03:49:08,360 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:08,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:08,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1001566992, now seen corresponding path program 1 times [2019-11-20 03:49:08,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:49:08,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100682040] [2019-11-20 03:49:08,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 03:49:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:08,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 03:49:08,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:49:08,455 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 03:49:08,455 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:49:08,484 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 03:49:08,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100682040] [2019-11-20 03:49:08,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:08,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 03:49:08,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243893591] [2019-11-20 03:49:08,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:49:08,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:49:08,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:49:08,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:49:08,491 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand 6 states. [2019-11-20 03:49:08,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:08,612 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2019-11-20 03:49:08,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:49:08,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-20 03:49:08,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:08,615 INFO L225 Difference]: With dead ends: 52 [2019-11-20 03:49:08,615 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 03:49:08,616 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 03:49:08,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 03:49:08,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2019-11-20 03:49:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 03:49:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-20 03:49:08,625 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 11 [2019-11-20 03:49:08,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:08,626 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-20 03:49:08,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:49:08,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-20 03:49:08,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 03:49:08,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:08,629 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:08,845 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 03:49:08,845 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:08,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:08,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1219229111, now seen corresponding path program 1 times [2019-11-20 03:49:08,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:49:08,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336848391] [2019-11-20 03:49:08,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 03:49:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:08,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:49:08,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:49:08,983 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 03:49:08,983 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:49:09,025 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 03:49:09,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336848391] [2019-11-20 03:49:09,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:09,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2019-11-20 03:49:09,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991323036] [2019-11-20 03:49:09,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 03:49:09,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:49:09,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 03:49:09,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 03:49:09,027 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2019-11-20 03:49:09,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:09,131 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2019-11-20 03:49:09,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:49:09,132 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-20 03:49:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:09,133 INFO L225 Difference]: With dead ends: 36 [2019-11-20 03:49:09,133 INFO L226 Difference]: Without dead ends: 27 [2019-11-20 03:49:09,134 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-20 03:49:09,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-20 03:49:09,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-20 03:49:09,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 03:49:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-20 03:49:09,139 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 14 [2019-11-20 03:49:09,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:09,140 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 03:49:09,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 03:49:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2019-11-20 03:49:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 03:49:09,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:09,141 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:09,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 03:49:09,350 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:09,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:09,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1012428811, now seen corresponding path program 1 times [2019-11-20 03:49:09,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:49:09,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12809751] [2019-11-20 03:49:09,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/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 03:49:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:09,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 03:49:09,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:49:09,445 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 03:49:09,445 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:49:09,460 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 03:49:09,461 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12809751] [2019-11-20 03:49:09,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:09,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 03:49:09,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954150817] [2019-11-20 03:49:09,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:49:09,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:49:09,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:49:09,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:49:09,463 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand 6 states. [2019-11-20 03:49:09,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:09,551 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2019-11-20 03:49:09,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:49:09,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-11-20 03:49:09,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:09,553 INFO L225 Difference]: With dead ends: 52 [2019-11-20 03:49:09,553 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 03:49:09,554 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 03:49:09,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 03:49:09,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2019-11-20 03:49:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 03:49:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-11-20 03:49:09,560 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 16 [2019-11-20 03:49:09,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:09,561 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-20 03:49:09,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:49:09,561 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-11-20 03:49:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 03:49:09,562 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:09,562 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:09,776 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 03:49:09,776 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:09,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:09,777 INFO L82 PathProgramCache]: Analyzing trace with hash -356841937, now seen corresponding path program 1 times [2019-11-20 03:49:09,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:49:09,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942947090] [2019-11-20 03:49:09,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-20 03:49:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:09,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 03:49:09,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:49:09,911 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 03:49:09,911 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:49:09,959 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 03:49:09,960 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942947090] [2019-11-20 03:49:09,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:09,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-20 03:49:09,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865511998] [2019-11-20 03:49:09,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 03:49:09,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:49:09,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 03:49:09,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-20 03:49:09,962 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 9 states. [2019-11-20 03:49:10,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:10,115 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2019-11-20 03:49:10,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 03:49:10,116 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-20 03:49:10,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:10,117 INFO L225 Difference]: With dead ends: 32 [2019-11-20 03:49:10,117 INFO L226 Difference]: Without dead ends: 23 [2019-11-20 03:49:10,117 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-11-20 03:49:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-20 03:49:10,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-11-20 03:49:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 03:49:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-11-20 03:49:10,124 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 18 [2019-11-20 03:49:10,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:10,127 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-11-20 03:49:10,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 03:49:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-11-20 03:49:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 03:49:10,129 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:49:10,130 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:49:10,330 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 03:49:10,331 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:49:10,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:49:10,331 INFO L82 PathProgramCache]: Analyzing trace with hash -208376157, now seen corresponding path program 1 times [2019-11-20 03:49:10,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:49:10,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033676481] [2019-11-20 03:49:10,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-20 03:49:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:49:10,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 03:49:10,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:49:10,483 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 03:49:10,483 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:49:10,527 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 03:49:10,527 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033676481] [2019-11-20 03:49:10,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:49:10,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2019-11-20 03:49:10,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490378436] [2019-11-20 03:49:10,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 03:49:10,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:49:10,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 03:49:10,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 03:49:10,529 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 8 states. [2019-11-20 03:49:10,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:49:10,602 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2019-11-20 03:49:10,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:49:10,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-20 03:49:10,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:49:10,603 INFO L225 Difference]: With dead ends: 23 [2019-11-20 03:49:10,603 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 03:49:10,604 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-20 03:49:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 03:49:10,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 03:49:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 03:49:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 03:49:10,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-11-20 03:49:10,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:49:10,605 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:49:10,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 03:49:10,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:49:10,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:49:10,806 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-20 03:49:10,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 03:49:10,964 INFO L440 ceAbstractionStarter]: At program point L31(lines 11 32) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= ULTIMATE.start_fmin_float_~x .cse0) (= ULTIMATE.start_fmin_float_~y .cse0))) [2019-11-20 03:49:10,964 INFO L440 ceAbstractionStarter]: At program point L31-1(lines 11 32) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (let ((.cse0 (= ULTIMATE.start_fmin_float_~y .cse1))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start___fpclassify_float_#res|))) (and (= ULTIMATE.start_fmin_float_~x .cse1) .cse0)))) [2019-11-20 03:49:10,964 INFO L440 ceAbstractionStarter]: At program point L44(line 44) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= ULTIMATE.start_fmin_float_~y .cse0) (= |ULTIMATE.start_fmin_float_#res| .cse0))) [2019-11-20 03:49:10,964 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-20 03:49:10,965 INFO L444 ceAbstractionStarter]: For program point L40-2(line 40) no Hoare annotation was computed. [2019-11-20 03:49:10,965 INFO L440 ceAbstractionStarter]: At program point L40-3(lines 34 41) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= ULTIMATE.start_fmin_float_~y .cse0) (= |ULTIMATE.start_fmin_float_#res| .cse0))) [2019-11-20 03:49:10,965 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 03:49:10,965 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 03:49:10,965 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 03:49:10,965 INFO L444 ceAbstractionStarter]: For program point L28(lines 28 31) no Hoare annotation was computed. [2019-11-20 03:49:10,965 INFO L444 ceAbstractionStarter]: For program point L28-1(lines 28 31) no Hoare annotation was computed. [2019-11-20 03:49:10,966 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 59) no Hoare annotation was computed. [2019-11-20 03:49:10,966 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-11-20 03:49:10,966 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 03:49:10,966 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2019-11-20 03:49:10,966 INFO L444 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-11-20 03:49:10,966 INFO L444 ceAbstractionStarter]: For program point L25-1(lines 25 31) no Hoare annotation was computed. [2019-11-20 03:49:10,966 INFO L447 ceAbstractionStarter]: At program point L63(lines 46 64) the Hoare annotation is: true [2019-11-20 03:49:10,966 INFO L444 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2019-11-20 03:49:10,967 INFO L444 ceAbstractionStarter]: For program point L22(lines 22 31) no Hoare annotation was computed. [2019-11-20 03:49:10,967 INFO L444 ceAbstractionStarter]: For program point L22-1(lines 22 31) no Hoare annotation was computed. [2019-11-20 03:49:10,967 INFO L444 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-11-20 03:49:10,967 INFO L440 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= ULTIMATE.start_fmin_float_~x .cse0) (= ULTIMATE.start_fmin_float_~y .cse0))) [2019-11-20 03:49:10,967 INFO L444 ceAbstractionStarter]: For program point L14-3(lines 11 32) no Hoare annotation was computed. [2019-11-20 03:49:10,967 INFO L444 ceAbstractionStarter]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2019-11-20 03:49:10,967 INFO L440 ceAbstractionStarter]: At program point L14-6(lines 14 18) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= ULTIMATE.start_fmin_float_~x .cse0) (= ULTIMATE.start_fmin_float_~y .cse0))) [2019-11-20 03:49:10,968 INFO L444 ceAbstractionStarter]: For program point L14-7(lines 11 32) no Hoare annotation was computed. [2019-11-20 03:49:10,968 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-11-20 03:49:10,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:10,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:49:10 BoogieIcfgContainer [2019-11-20 03:49:10,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:49:10,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:49:10,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:49:10,991 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:49:10,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:49:07" (3/4) ... [2019-11-20 03:49:10,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:49:11,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 03:49:11,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 03:49:11,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:49:11,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-11-20 03:49:11,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-11-20 03:49:11,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && !(0bv32 == \result)) || (x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) [2019-11-20 03:49:11,087 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_26ca9685-1e02-433b-90cc-2994f4a6ffd8/bin/uautomizer/witness.graphml [2019-11-20 03:49:11,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:49:11,089 INFO L168 Benchmark]: Toolchain (without parser) took 3997.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 957.8 MB in the beginning and 936.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 178.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:11,090 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:49:11,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:11,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:11,091 INFO L168 Benchmark]: Boogie Preprocessor took 32.06 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 03:49:11,091 INFO L168 Benchmark]: RCFGBuilder took 405.14 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:11,092 INFO L168 Benchmark]: TraceAbstraction took 3094.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.8 MB in the end (delta: 178.4 MB). Peak memory consumption was 178.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:11,092 INFO L168 Benchmark]: Witness Printer took 96.69 ms. Allocated memory is still 1.2 GB. Free memory was 942.8 MB in the beginning and 936.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:49:11,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.06 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 405.14 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3094.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.8 MB in the end (delta: 178.4 MB). Peak memory consumption was 178.4 MB. Max. memory is 11.5 GB. * Witness Printer took 96.69 ms. Allocated memory is still 1.2 GB. Free memory was 942.8 MB in the beginning and 936.3 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 59]: 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: 11]: Loop Invariant [2019-11-20 03:49:11,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant [2019-11-20 03:49:11,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 44]: Loop Invariant [2019-11-20 03:49:11,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (1bv32 == \result && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant [2019-11-20 03:49:11,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant [2019-11-20 03:49:11,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 11]: Loop Invariant [2019-11-20 03:49:11,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:49:11,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && !(0bv32 == \result)) || (x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 182 SDtfs, 106 SDslu, 504 SDs, 0 SdLazy, 131 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 134 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 19 NumberOfFragments, 94 HoareAnnotationTreeSize, 7 FomulaSimplifications, 273 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 9152 SizeOfPredicates, 26 NumberOfNonLiveVariables, 279 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...