./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c -s /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 b865bb4da04412be07ba7e2426d2224bb04a2953 ..................................................................................................................................................................................................................................................................................................................................................................... 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_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c -s /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 b865bb4da04412be07ba7e2426d2224bb04a2953 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:15:45,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:15:45,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:15:45,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:15:45,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:15:45,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:15:45,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:15:45,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:15:45,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:15:45,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:15:45,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:15:45,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:15:45,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:15:45,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:15:45,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:15:45,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:15:45,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:15:45,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:15:45,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:15:45,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:15:45,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:15:45,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:15:45,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:15:45,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:15:45,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:15:45,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:15:45,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:15:45,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:15:45,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:15:45,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:15:45,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:15:45,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:15:45,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:15:45,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:15:45,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:15:45,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:15:45,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:15:45,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:15:45,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:15:45,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:15:45,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:15:45,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:15:45,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:15:45,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:15:45,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:15:45,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:15:45,358 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:15:45,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:15:45,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:15:45,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:15:45,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:15:45,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:15:45,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:15:45,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:15:45,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:15:45,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:15:45,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:15:45,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:15:45,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:15:45,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:15:45,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:15:45,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:15:45,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:15:45,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:15:45,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:15:45,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:15:45,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:15:45,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:15:45,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:15:45,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:15:45,365 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_050baadc-6dd2-4c05-81ce-2c18213535f5/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 -> b865bb4da04412be07ba7e2426d2224bb04a2953 [2019-11-16 00:15:45,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:15:45,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:15:45,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:15:45,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:15:45,426 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:15:45,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2019-11-16 00:15:45,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data/d36b92110/3b8aeab4890149f1a08a60f9c0ddbad9/FLAG9334244ea [2019-11-16 00:15:45,961 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:15:45,962 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2019-11-16 00:15:45,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data/d36b92110/3b8aeab4890149f1a08a60f9c0ddbad9/FLAG9334244ea [2019-11-16 00:15:46,336 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data/d36b92110/3b8aeab4890149f1a08a60f9c0ddbad9 [2019-11-16 00:15:46,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:15:46,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:15:46,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:15:46,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:15:46,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:15:46,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5db378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46, skipping insertion in model container [2019-11-16 00:15:46,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,359 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:15:46,379 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:15:46,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:15:46,786 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:15:46,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:15:46,852 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:15:46,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46 WrapperNode [2019-11-16 00:15:46,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:15:46,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:15:46,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:15:46,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:15:46,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:15:46,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:15:46,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:15:46,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:15:46,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:46,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:47,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... [2019-11-16 00:15:47,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:15:47,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:15:47,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:15:47,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:15:47,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 [2019-11-16 00:15:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:15:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-16 00:15:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:15:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:15:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:15:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:15:47,577 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:15:47,577 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-16 00:15:47,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:47 BoogieIcfgContainer [2019-11-16 00:15:47,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:15:47,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:15:47,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:15:47,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:15:47,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:15:46" (1/3) ... [2019-11-16 00:15:47,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348b282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:15:47, skipping insertion in model container [2019-11-16 00:15:47,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:46" (2/3) ... [2019-11-16 00:15:47,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348b282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:15:47, skipping insertion in model container [2019-11-16 00:15:47,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:47" (3/3) ... [2019-11-16 00:15:47,589 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1230.c [2019-11-16 00:15:47,599 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:15:47,605 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:15:47,616 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:15:47,643 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:15:47,644 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:15:47,644 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:15:47,644 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:15:47,645 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:15:47,645 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:15:47,645 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:15:47,645 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:15:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-16 00:15:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:15:47,671 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:47,672 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:47,674 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:47,680 INFO L82 PathProgramCache]: Analyzing trace with hash -958093107, now seen corresponding path program 1 times [2019-11-16 00:15:47,690 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:47,690 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8257494] [2019-11-16 00:15:47,690 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:47,691 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:47,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:47,797 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8257494] [2019-11-16 00:15:47,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:47,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:15:47,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810575382] [2019-11-16 00:15:47,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:15:47,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:47,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:15:47,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:15:47,823 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-11-16 00:15:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:47,844 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2019-11-16 00:15:47,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:15:47,846 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-16 00:15:47,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:47,857 INFO L225 Difference]: With dead ends: 54 [2019-11-16 00:15:47,857 INFO L226 Difference]: Without dead ends: 25 [2019-11-16 00:15:47,860 INFO L600 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 [2019-11-16 00:15:47,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-16 00:15:47,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-16 00:15:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-16 00:15:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2019-11-16 00:15:47,894 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 10 [2019-11-16 00:15:47,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:47,894 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2019-11-16 00:15:47,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:15:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2019-11-16 00:15:47,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:15:47,895 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:47,895 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:47,896 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:47,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:47,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1001566992, now seen corresponding path program 1 times [2019-11-16 00:15:47,896 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:47,897 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539613563] [2019-11-16 00:15:47,897 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:47,897 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:47,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:47,998 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539613563] [2019-11-16 00:15:47,998 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:47,998 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:15:47,999 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867968856] [2019-11-16 00:15:48,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:15:48,001 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:48,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:15:48,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:15:48,001 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand 4 states. [2019-11-16 00:15:48,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:48,107 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-16 00:15:48,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:15:48,108 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-16 00:15:48,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:48,109 INFO L225 Difference]: With dead ends: 41 [2019-11-16 00:15:48,109 INFO L226 Difference]: Without dead ends: 36 [2019-11-16 00:15:48,110 INFO L600 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 [2019-11-16 00:15:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-16 00:15:48,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2019-11-16 00:15:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-16 00:15:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-16 00:15:48,117 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 11 [2019-11-16 00:15:48,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:48,118 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-16 00:15:48,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:15:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-16 00:15:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:15:48,119 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:48,119 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:48,120 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:48,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:48,120 INFO L82 PathProgramCache]: Analyzing trace with hash -555778251, now seen corresponding path program 1 times [2019-11-16 00:15:48,120 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:48,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462175741] [2019-11-16 00:15:48,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:48,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:48,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:48,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462175741] [2019-11-16 00:15:48,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:48,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:15:48,195 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462085658] [2019-11-16 00:15:48,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:15:48,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:48,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:15:48,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:15:48,197 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 4 states. [2019-11-16 00:15:48,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:48,279 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2019-11-16 00:15:48,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:15:48,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-16 00:15:48,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:48,281 INFO L225 Difference]: With dead ends: 43 [2019-11-16 00:15:48,281 INFO L226 Difference]: Without dead ends: 38 [2019-11-16 00:15:48,282 INFO L600 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 [2019-11-16 00:15:48,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-16 00:15:48,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 27. [2019-11-16 00:15:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-16 00:15:48,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-16 00:15:48,288 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 14 [2019-11-16 00:15:48,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:48,288 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-16 00:15:48,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:15:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-16 00:15:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:15:48,290 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:48,290 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:48,290 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:48,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:48,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1219229111, now seen corresponding path program 1 times [2019-11-16 00:15:48,294 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:48,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856680028] [2019-11-16 00:15:48,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:48,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:48,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:15:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:15:48,479 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:15:48,480 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:15:48,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:15:48 BoogieIcfgContainer [2019-11-16 00:15:48,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:15:48,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:15:48,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:15:48,529 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:15:48,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:47" (3/4) ... [2019-11-16 00:15:48,534 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:15:48,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:15:48,537 INFO L168 Benchmark]: Toolchain (without parser) took 2195.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:48,538 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:48,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -207.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:48,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:48,543 INFO L168 Benchmark]: Boogie Preprocessor took 75.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:48,544 INFO L168 Benchmark]: RCFGBuilder took 560.34 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:48,545 INFO L168 Benchmark]: TraceAbstraction took 947.70 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: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:48,552 INFO L168 Benchmark]: Witness Printer took 5.84 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. [2019-11-16 00:15:48,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -207.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 560.34 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 947.70 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: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.84 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: 66]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L61] double x = 0.0 / 0.0; [L62] double y = 0.0 / 0.0; [L18] __uint32_t msw, lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L27-L28] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L30-L31] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L33-L34] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L37-L38] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L41] return 0; [L45] COND TRUE __fpclassify_double(x) == 0 [L46] return y; [L63] double res = fmin_double(x, y); [L16] return x != x; [L65] COND TRUE !isnan_double(res) [L66] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 110 SDtfs, 22 SDslu, 110 SDs, 0 SdLazy, 30 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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, 0.1s 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-cad4683 [2019-11-16 00:15:51,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:15:51,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:15:51,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:15:51,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:15:51,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:15:51,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:15:51,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:15:51,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:15:51,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:15:51,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:15:51,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:15:51,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:15:51,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:15:51,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:15:51,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:15:51,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:15:51,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:15:51,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:15:51,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:15:51,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:15:51,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:15:51,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:15:51,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:15:51,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:15:51,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:15:51,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:15:51,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:15:51,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:15:51,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:15:51,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:15:51,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:15:51,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:15:51,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:15:51,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:15:51,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:15:51,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:15:51,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:15:51,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:15:51,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:15:51,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:15:51,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 00:15:51,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:15:51,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:15:51,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:15:51,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:15:51,619 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:15:51,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:15:51,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:15:51,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:15:51,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:15:51,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:15:51,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:15:51,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:15:51,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:15:51,622 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:15:51,622 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:15:51,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:15:51,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:15:51,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:15:51,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:15:51,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:15:51,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:15:51,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:15:51,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:15:51,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:15:51,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:15:51,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:15:51,626 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:15:51,626 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:15:51,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:15:51,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:15:51,627 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_050baadc-6dd2-4c05-81ce-2c18213535f5/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 -> b865bb4da04412be07ba7e2426d2224bb04a2953 [2019-11-16 00:15:51,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:15:51,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:15:51,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:15:51,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:15:51,681 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:15:51,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2019-11-16 00:15:51,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data/14725072f/d1921615541d41849372849530db18e1/FLAGa27a5216a [2019-11-16 00:15:52,217 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:15:52,218 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/sv-benchmarks/c/float-newlib/double_req_bl_1230.c [2019-11-16 00:15:52,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data/14725072f/d1921615541d41849372849530db18e1/FLAGa27a5216a [2019-11-16 00:15:52,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/data/14725072f/d1921615541d41849372849530db18e1 [2019-11-16 00:15:52,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:15:52,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:15:52,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:15:52,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:15:52,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:15:52,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e16acd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52, skipping insertion in model container [2019-11-16 00:15:52,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,267 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:15:52,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:15:52,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:15:52,498 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:15:52,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:15:52,659 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:15:52,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52 WrapperNode [2019-11-16 00:15:52,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:15:52,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:15:52,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:15:52,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:15:52,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:15:52,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:15:52,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:15:52,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:15:52,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... [2019-11-16 00:15:52,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:15:52,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:15:52,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:15:52,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:15:52,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 [2019-11-16 00:15:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-16 00:15:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:15:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:15:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:15:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:15:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:15:53,487 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:15:53,488 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-16 00:15:53,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:53 BoogieIcfgContainer [2019-11-16 00:15:53,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:15:53,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:15:53,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:15:53,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:15:53,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:15:52" (1/3) ... [2019-11-16 00:15:53,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a685f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:15:53, skipping insertion in model container [2019-11-16 00:15:53,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:52" (2/3) ... [2019-11-16 00:15:53,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a685f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:15:53, skipping insertion in model container [2019-11-16 00:15:53,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:53" (3/3) ... [2019-11-16 00:15:53,512 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1230.c [2019-11-16 00:15:53,523 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:15:53,532 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:15:53,545 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:15:53,574 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:15:53,575 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:15:53,575 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:15:53,576 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:15:53,576 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:15:53,576 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:15:53,577 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:15:53,577 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:15:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-16 00:15:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:15:53,603 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:53,604 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:53,607 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:53,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:53,613 INFO L82 PathProgramCache]: Analyzing trace with hash -958093107, now seen corresponding path program 1 times [2019-11-16 00:15:53,626 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:15:53,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248457536] [2019-11-16 00:15:53,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 [2019-11-16 00:15:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:53,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-16 00:15:53,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:53,744 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:15:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:53,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248457536] [2019-11-16 00:15:53,750 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:53,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-16 00:15:53,751 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556857922] [2019-11-16 00:15:53,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:15:53,755 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:15:53,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:15:53,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:15:53,769 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-11-16 00:15:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:53,790 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2019-11-16 00:15:53,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:15:53,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-16 00:15:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:53,804 INFO L225 Difference]: With dead ends: 54 [2019-11-16 00:15:53,804 INFO L226 Difference]: Without dead ends: 25 [2019-11-16 00:15:53,807 INFO L600 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 [2019-11-16 00:15:53,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-16 00:15:53,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-16 00:15:53,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-16 00:15:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2019-11-16 00:15:53,846 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 10 [2019-11-16 00:15:53,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:53,846 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2019-11-16 00:15:53,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:15:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2019-11-16 00:15:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:15:53,848 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:53,848 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:54,053 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-16 00:15:54,058 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:54,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:54,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1001566992, now seen corresponding path program 1 times [2019-11-16 00:15:54,059 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:15:54,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671041676] [2019-11-16 00:15:54,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 [2019-11-16 00:15:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:54,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-16 00:15:54,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:54,231 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:15:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:54,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671041676] [2019-11-16 00:15:54,260 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:54,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-16 00:15:54,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36514285] [2019-11-16 00:15:54,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:15:54,262 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:15:54,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:15:54,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:15:54,263 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand 6 states. [2019-11-16 00:15:54,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:54,420 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2019-11-16 00:15:54,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:15:54,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-16 00:15:54,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:54,423 INFO L225 Difference]: With dead ends: 52 [2019-11-16 00:15:54,423 INFO L226 Difference]: Without dead ends: 47 [2019-11-16 00:15:54,424 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:15:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-16 00:15:54,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2019-11-16 00:15:54,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-16 00:15:54,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-16 00:15:54,432 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 11 [2019-11-16 00:15:54,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:54,433 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-16 00:15:54,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:15:54,434 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-16 00:15:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:15:54,435 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:54,435 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:54,651 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-16 00:15:54,652 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:54,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:54,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1219229111, now seen corresponding path program 1 times [2019-11-16 00:15:54,654 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:15:54,654 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740074505] [2019-11-16 00:15:54,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 [2019-11-16 00:15:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:54,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:15:54,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:54,849 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:15:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:54,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740074505] [2019-11-16 00:15:54,928 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:54,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2019-11-16 00:15:54,928 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782246290] [2019-11-16 00:15:54,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:15:54,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:15:54,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:15:54,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:15:54,930 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2019-11-16 00:15:55,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:55,109 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2019-11-16 00:15:55,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:15:55,112 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-16 00:15:55,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:55,113 INFO L225 Difference]: With dead ends: 36 [2019-11-16 00:15:55,113 INFO L226 Difference]: Without dead ends: 27 [2019-11-16 00:15:55,114 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:15:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-16 00:15:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-16 00:15:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-16 00:15:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-16 00:15:55,123 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 14 [2019-11-16 00:15:55,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:55,124 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-16 00:15:55,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:15:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2019-11-16 00:15:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:15:55,126 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:55,126 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:55,342 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-16 00:15:55,343 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:55,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:55,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1012428811, now seen corresponding path program 1 times [2019-11-16 00:15:55,344 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:15:55,345 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973008369] [2019-11-16 00:15:55,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 [2019-11-16 00:15:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:55,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-16 00:15:55,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:55,543 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:15:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:55,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973008369] [2019-11-16 00:15:55,579 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:55,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-16 00:15:55,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827137049] [2019-11-16 00:15:55,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:15:55,580 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:15:55,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:15:55,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:15:55,581 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand 6 states. [2019-11-16 00:15:55,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:55,719 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2019-11-16 00:15:55,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:15:55,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-11-16 00:15:55,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:55,724 INFO L225 Difference]: With dead ends: 52 [2019-11-16 00:15:55,725 INFO L226 Difference]: Without dead ends: 47 [2019-11-16 00:15:55,726 INFO L600 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 [2019-11-16 00:15:55,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-16 00:15:55,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2019-11-16 00:15:55,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-16 00:15:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-11-16 00:15:55,741 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 16 [2019-11-16 00:15:55,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:55,742 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-16 00:15:55,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:15:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-11-16 00:15:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-16 00:15:55,743 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:55,745 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:55,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-16 00:15:55,970 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:55,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:55,971 INFO L82 PathProgramCache]: Analyzing trace with hash -356841937, now seen corresponding path program 1 times [2019-11-16 00:15:55,972 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:15:55,972 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326806460] [2019-11-16 00:15:55,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 [2019-11-16 00:15:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:56,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-16 00:15:56,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:56,204 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:15:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:56,274 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326806460] [2019-11-16 00:15:56,275 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:56,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-16 00:15:56,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577729316] [2019-11-16 00:15:56,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:15:56,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:15:56,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:15:56,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:15:56,277 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 9 states. [2019-11-16 00:15:56,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:56,479 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2019-11-16 00:15:56,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:15:56,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-16 00:15:56,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:56,481 INFO L225 Difference]: With dead ends: 32 [2019-11-16 00:15:56,481 INFO L226 Difference]: Without dead ends: 23 [2019-11-16 00:15:56,482 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:15:56,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-16 00:15:56,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-11-16 00:15:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-16 00:15:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-11-16 00:15:56,487 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 18 [2019-11-16 00:15:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:56,488 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-11-16 00:15:56,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:15:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-11-16 00:15:56,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-16 00:15:56,489 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:56,489 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:56,705 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-16 00:15:56,706 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:15:56,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:56,707 INFO L82 PathProgramCache]: Analyzing trace with hash -208376157, now seen corresponding path program 1 times [2019-11-16 00:15:56,707 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:15:56,708 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719008341] [2019-11-16 00:15:56,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/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 [2019-11-16 00:15:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:56,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:15:56,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:56,879 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:15:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:56,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719008341] [2019-11-16 00:15:56,929 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:56,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2019-11-16 00:15:56,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802352662] [2019-11-16 00:15:56,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:15:56,930 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:15:56,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:15:56,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:15:56,931 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 8 states. [2019-11-16 00:15:57,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:57,009 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2019-11-16 00:15:57,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:15:57,009 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-16 00:15:57,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:57,010 INFO L225 Difference]: With dead ends: 23 [2019-11-16 00:15:57,010 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:15:57,011 INFO L600 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 [2019-11-16 00:15:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:15:57,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:15:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:15:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:15:57,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-11-16 00:15:57,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:57,012 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:15:57,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:15:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:15:57,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:15:57,213 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-16 00:15:57,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:15:57,450 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2019-11-16 00:15:57,450 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:15:57,450 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:15:57,450 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:15:57,451 INFO L443 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-11-16 00:15:57,451 INFO L439 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= ULTIMATE.start_fmin_double_~y .cse0) (= ULTIMATE.start_fmin_double_~x .cse0))) [2019-11-16 00:15:57,451 INFO L443 ceAbstractionStarter]: For program point L20-3(lines 17 42) no Hoare annotation was computed. [2019-11-16 00:15:57,451 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start_fmin_double_#res| .cse0) (= ULTIMATE.start_fmin_double_~y .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-16 00:15:57,452 INFO L443 ceAbstractionStarter]: For program point L20-5(lines 20 25) no Hoare annotation was computed. [2019-11-16 00:15:57,452 INFO L439 ceAbstractionStarter]: At program point L20-6(lines 20 25) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= ULTIMATE.start_fmin_double_~y .cse0) (= ULTIMATE.start_fmin_double_~x .cse0))) [2019-11-16 00:15:57,452 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-16 00:15:57,452 INFO L443 ceAbstractionStarter]: For program point L20-7(lines 17 42) no Hoare annotation was computed. [2019-11-16 00:15:57,452 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 66) no Hoare annotation was computed. [2019-11-16 00:15:57,453 INFO L439 ceAbstractionStarter]: At program point L41(lines 17 42) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= ULTIMATE.start_fmin_double_~y .cse0) (= ULTIMATE.start_fmin_double_~x .cse0))) [2019-11-16 00:15:57,453 INFO L439 ceAbstractionStarter]: At program point L41-1(lines 17 42) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (let ((.cse0 (= ULTIMATE.start_fmin_double_~y .cse1))) (or (and .cse0 (= ULTIMATE.start_fmin_double_~x .cse1)) (and (not (= (_ bv0 32) |ULTIMATE.start___fpclassify_double_#res|)) .cse0)))) [2019-11-16 00:15:57,453 INFO L446 ceAbstractionStarter]: At program point L70(lines 53 71) the Hoare annotation is: true [2019-11-16 00:15:57,453 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2019-11-16 00:15:57,453 INFO L443 ceAbstractionStarter]: For program point L37-1(lines 37 41) no Hoare annotation was computed. [2019-11-16 00:15:57,453 INFO L443 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2019-11-16 00:15:57,454 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 41) no Hoare annotation was computed. [2019-11-16 00:15:57,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:15:57,454 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 33 41) no Hoare annotation was computed. [2019-11-16 00:15:57,454 INFO L443 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2019-11-16 00:15:57,454 INFO L443 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2019-11-16 00:15:57,454 INFO L439 ceAbstractionStarter]: At program point L50-3(lines 44 51) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start_fmin_double_#res| .cse0) (= ULTIMATE.start_fmin_double_~y .cse0))) [2019-11-16 00:15:57,455 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 41) no Hoare annotation was computed. [2019-11-16 00:15:57,455 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 30 41) no Hoare annotation was computed. [2019-11-16 00:15:57,455 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-11-16 00:15:57,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,479 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,479 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,481 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,481 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:15:57 BoogieIcfgContainer [2019-11-16 00:15:57,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:15:57,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:15:57,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:15:57,485 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:15:57,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:53" (3/4) ... [2019-11-16 00:15:57,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:15:57,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-16 00:15:57,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-16 00:15:57,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-16 00:15:57,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-11-16 00:15:57,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-11-16 00:15:57,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) || (!(0bv32 == \result) && y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) [2019-11-16 00:15:57,578 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_050baadc-6dd2-4c05-81ce-2c18213535f5/bin/uautomizer/witness.graphml [2019-11-16 00:15:57,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:15:57,581 INFO L168 Benchmark]: Toolchain (without parser) took 5332.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.0 MB in the beginning and 965.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 184.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:57,582 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:57,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -237.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:57,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:57,584 INFO L168 Benchmark]: Boogie Preprocessor took 71.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:57,584 INFO L168 Benchmark]: RCFGBuilder took 672.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:57,585 INFO L168 Benchmark]: TraceAbstraction took 3992.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 971.5 MB in the end (delta: 191.1 MB). Peak memory consumption was 191.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:57,586 INFO L168 Benchmark]: Witness Printer took 94.66 ms. Allocated memory is still 1.2 GB. Free memory was 971.5 MB in the beginning and 965.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:57,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -237.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 672.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3992.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 971.5 MB in the end (delta: 191.1 MB). Peak memory consumption was 191.1 MB. Max. memory is 11.5 GB. * Witness Printer took 94.66 ms. Allocated memory is still 1.2 GB. Free memory was 971.5 MB in the beginning and 965.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 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: 66]: 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: 44]: Loop Invariant [2019-11-16 00:15:57,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant [2019-11-16 00:15:57,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant [2019-11-16 00:15:57,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 17]: Loop Invariant [2019-11-16 00:15:57,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) || (!(0bv32 == \result) && y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 20]: Loop Invariant [2019-11-16 00:15:57,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 17]: Loop Invariant [2019-11-16 00:15:57,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:15:57,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 182 SDtfs, 106 SDslu, 504 SDs, 0 SdLazy, 131 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 134 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 9152 SizeOfPredicates, 26 NumberOfNonLiveVariables, 321 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...