./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ............................................................................................................................................................................................................................................................................................ 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_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:18:58,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:18:58,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:18:58,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:18:58,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:18:58,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:18:58,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:18:58,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:18:58,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:18:58,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:18:58,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:18:58,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:18:58,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:18:58,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:18:58,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:18:58,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:18:58,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:18:58,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:18:58,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:18:58,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:18:58,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:18:58,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:18:58,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:18:58,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:18:58,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:18:58,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:18:58,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:18:58,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:18:58,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:18:58,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:18:58,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:18:58,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:18:58,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:18:58,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:18:58,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:18:58,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:18:58,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:18:58,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:18:58,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:18:58,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:18:58,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:18:58,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:18:58,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:18:58,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:18:58,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:18:58,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:18:58,591 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:18:58,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:18:58,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:18:58,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:18:58,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:18:58,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:18:58,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:18:58,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:18:58,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:18:58,592 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:18:58,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:18:58,593 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:18:58,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:18:58,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:18:58,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:18:58,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:18:58,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:18:58,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:18:58,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:18:58,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:18:58,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:18:58,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:18:58,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:18:58,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:18:58,595 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_85c8b502-efad-466b-be8b-ce9b54e12a8c/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-11-20 02:18:58,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:18:58,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:18:58,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:18:58,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:18:58,750 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:18:58,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-20 02:18:58,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data/5f34ac633/dd7d0eae02974bae8bd9466c9cbf3f82/FLAG0ff87a8ce [2019-11-20 02:18:59,169 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:18:59,169 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-20 02:18:59,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data/5f34ac633/dd7d0eae02974bae8bd9466c9cbf3f82/FLAG0ff87a8ce [2019-11-20 02:18:59,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data/5f34ac633/dd7d0eae02974bae8bd9466c9cbf3f82 [2019-11-20 02:18:59,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:18:59,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:18:59,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:18:59,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:18:59,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:18:59,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc7e010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59, skipping insertion in model container [2019-11-20 02:18:59,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,204 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:18:59,230 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:18:59,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:18:59,563 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:18:59,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:18:59,628 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:18:59,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59 WrapperNode [2019-11-20 02:18:59,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:18:59,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:18:59,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:18:59,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:18:59,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:18:59,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:18:59,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:18:59,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:18:59,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... [2019-11-20 02:18:59,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:18:59,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:18:59,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:18:59,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:18:59,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:18:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:18:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 02:18:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:18:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 02:18:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:18:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:18:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:18:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:19:00,221 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:19:00,221 INFO L285 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-20 02:19:00,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:19:00 BoogieIcfgContainer [2019-11-20 02:19:00,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:19:00,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:19:00,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:19:00,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:19:00,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:18:59" (1/3) ... [2019-11-20 02:19:00,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e047ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:19:00, skipping insertion in model container [2019-11-20 02:19:00,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:18:59" (2/3) ... [2019-11-20 02:19:00,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e047ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:19:00, skipping insertion in model container [2019-11-20 02:19:00,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:19:00" (3/3) ... [2019-11-20 02:19:00,228 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-11-20 02:19:00,237 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:19:00,243 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:19:00,253 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:19:00,275 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:19:00,275 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:19:00,276 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:19:00,276 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:19:00,276 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:19:00,276 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:19:00,276 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:19:00,277 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:19:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2019-11-20 02:19:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:19:00,296 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:19:00,297 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:19:00,298 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:19:00,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:19:00,303 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2019-11-20 02:19:00,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:19:00,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758758289] [2019-11-20 02:19:00,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:19:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:19:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:19:00,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758758289] [2019-11-20 02:19:00,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:19:00,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:19:00,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061038911] [2019-11-20 02:19:00,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:19:00,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:19:00,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:19:00,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:19:00,463 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2019-11-20 02:19:00,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:19:00,492 INFO L93 Difference]: Finished difference Result 113 states and 182 transitions. [2019-11-20 02:19:00,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:19:00,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 02:19:00,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:19:00,507 INFO L225 Difference]: With dead ends: 113 [2019-11-20 02:19:00,507 INFO L226 Difference]: Without dead ends: 54 [2019-11-20 02:19:00,511 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:19:00,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-20 02:19:00,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-20 02:19:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-20 02:19:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2019-11-20 02:19:00,553 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2019-11-20 02:19:00,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:19:00,554 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-20 02:19:00,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:19:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2019-11-20 02:19:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 02:19:00,555 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:19:00,555 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:19:00,556 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:19:00,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:19:00,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2019-11-20 02:19:00,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:19:00,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810257858] [2019-11-20 02:19:00,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:19:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:19:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:19:00,659 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:19:00,659 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 02:19:00,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:19:00 BoogieIcfgContainer [2019-11-20 02:19:00,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:19:00,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:19:00,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:19:00,690 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:19:00,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:19:00" (3/4) ... [2019-11-20 02:19:00,693 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:19:00,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:19:00,695 INFO L168 Benchmark]: Toolchain (without parser) took 1504.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:00,695 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:19:00,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -220.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:00,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.94 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. [2019-11-20 02:19:00,697 INFO L168 Benchmark]: Boogie Preprocessor took 41.94 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. [2019-11-20 02:19:00,697 INFO L168 Benchmark]: RCFGBuilder took 491.93 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: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:00,698 INFO L168 Benchmark]: TraceAbstraction took 466.88 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:00,698 INFO L168 Benchmark]: Witness Printer took 3.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:19:00,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 437.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -220.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.94 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 41.94 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 491.93 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: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 466.88 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.33 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: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L188] float res = __ieee754_asinf(x); [L13] return x != x; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 76 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 02:19:02,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:19:02,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:19:02,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:19:02,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:19:02,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:19:02,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:19:02,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:19:02,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:19:02,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:19:02,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:19:02,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:19:02,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:19:02,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:19:02,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:19:02,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:19:02,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:19:02,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:19:02,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:19:02,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:19:02,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:19:02,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:19:02,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:19:02,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:19:02,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:19:02,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:19:02,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:19:02,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:19:02,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:19:02,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:19:02,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:19:02,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:19:02,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:19:02,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:19:02,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:19:02,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:19:02,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:19:02,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:19:02,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:19:02,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:19:02,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:19:02,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 02:19:02,552 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:19:02,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:19:02,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:19:02,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:19:02,554 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:19:02,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:19:02,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:19:02,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:19:02,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:19:02,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:19:02,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:19:02,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:19:02,556 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 02:19:02,556 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 02:19:02,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:19:02,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:19:02,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:19:02,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:19:02,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:19:02,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:19:02,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:19:02,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:19:02,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:19:02,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:19:02,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:19:02,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:19:02,559 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 02:19:02,559 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 02:19:02,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:19:02,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 02:19:02,560 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_85c8b502-efad-466b-be8b-ce9b54e12a8c/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2019-11-20 02:19:02,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:19:02,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:19:02,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:19:02,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:19:02,872 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:19:02,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-20 02:19:02,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data/364f2cc0f/8adb9cb7b1ec4c7293f612deeb1695d3/FLAGe74a1bbfc [2019-11-20 02:19:03,351 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:19:03,352 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2019-11-20 02:19:03,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data/364f2cc0f/8adb9cb7b1ec4c7293f612deeb1695d3/FLAGe74a1bbfc [2019-11-20 02:19:03,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/data/364f2cc0f/8adb9cb7b1ec4c7293f612deeb1695d3 [2019-11-20 02:19:03,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:19:03,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:19:03,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:19:03,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:19:03,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:19:03,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b223915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03, skipping insertion in model container [2019-11-20 02:19:03,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,385 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:19:03,412 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:19:03,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:19:03,645 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:19:03,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:19:03,850 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:19:03,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03 WrapperNode [2019-11-20 02:19:03,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:19:03,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:19:03,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:19:03,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:19:03,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:19:03,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:19:03,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:19:03,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:19:03,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... [2019-11-20 02:19:03,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:19:03,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:19:03,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:19:03,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:19:03,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:19:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:19:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 02:19:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 02:19:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:19:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:19:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 02:19:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 02:19:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:19:14,055 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:19:14,055 INFO L285 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-20 02:19:14,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:19:14 BoogieIcfgContainer [2019-11-20 02:19:14,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:19:14,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:19:14,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:19:14,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:19:14,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:19:03" (1/3) ... [2019-11-20 02:19:14,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74486074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:19:14, skipping insertion in model container [2019-11-20 02:19:14,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:19:03" (2/3) ... [2019-11-20 02:19:14,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74486074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:19:14, skipping insertion in model container [2019-11-20 02:19:14,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:19:14" (3/3) ... [2019-11-20 02:19:14,069 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2019-11-20 02:19:14,077 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:19:14,083 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:19:14,093 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:19:14,121 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:19:14,122 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:19:14,122 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:19:14,122 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:19:14,122 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:19:14,123 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:19:14,123 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:19:14,123 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:19:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2019-11-20 02:19:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:19:14,145 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:19:14,145 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:19:14,146 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:19:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:19:14,150 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2019-11-20 02:19:14,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:19:14,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023196122] [2019-11-20 02:19:14,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 02:19:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:19:14,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 02:19:14,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:19:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:19:14,412 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:19:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:19:14,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023196122] [2019-11-20 02:19:14,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:19:14,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 02:19:14,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641014460] [2019-11-20 02:19:14,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:19:14,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:19:14,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:19:14,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:19:14,431 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2019-11-20 02:19:14,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:19:14,449 INFO L93 Difference]: Finished difference Result 113 states and 182 transitions. [2019-11-20 02:19:14,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:19:14,450 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 02:19:14,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:19:14,462 INFO L225 Difference]: With dead ends: 113 [2019-11-20 02:19:14,462 INFO L226 Difference]: Without dead ends: 54 [2019-11-20 02:19:14,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:19:14,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-20 02:19:14,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-20 02:19:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-20 02:19:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2019-11-20 02:19:14,492 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2019-11-20 02:19:14,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:19:14,493 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-20 02:19:14,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:19:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2019-11-20 02:19:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 02:19:14,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:19:14,494 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:19:14,716 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 02:19:14,716 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:19:14,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:19:14,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2019-11-20 02:19:14,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:19:14,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378076482] [2019-11-20 02:19:14,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 02:19:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:19:14,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:19:14,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:19:15,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 02:19:17,070 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2019-11-20 02:19:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:19:17,075 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:19:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:19:17,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378076482] [2019-11-20 02:19:17,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:19:17,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 02:19:17,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157745302] [2019-11-20 02:19:17,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 02:19:17,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:19:17,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 02:19:17,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:19:17,164 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand 8 states. [2019-11-20 02:19:17,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:19:17,644 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2019-11-20 02:19:17,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:19:17,645 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-20 02:19:17,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:19:17,646 INFO L225 Difference]: With dead ends: 59 [2019-11-20 02:19:17,646 INFO L226 Difference]: Without dead ends: 13 [2019-11-20 02:19:17,647 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 02:19:17,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-20 02:19:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 02:19:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 02:19:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-11-20 02:19:17,651 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2019-11-20 02:19:17,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:19:17,652 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-11-20 02:19:17,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 02:19:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-11-20 02:19:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 02:19:17,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:19:17,653 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:19:17,867 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 02:19:17,868 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:19:17,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:19:17,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1003963026, now seen corresponding path program 1 times [2019-11-20 02:19:17,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:19:17,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803665100] [2019-11-20 02:19:17,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 02:19:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:19:18,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 02:19:18,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:19:19,173 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-20 02:19:19,175 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 02:19:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:19:20,511 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 02:19:22,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:19:22,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803665100] [2019-11-20 02:19:22,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:19:22,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 02:19:22,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719654453] [2019-11-20 02:19:22,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 02:19:22,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 02:19:22,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 02:19:22,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:19:22,479 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 8 states. [2019-11-20 02:19:24,499 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2019-11-20 02:19:25,248 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2019-11-20 02:19:25,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:19:25,249 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-20 02:19:25,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:19:25,249 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-20 02:19:25,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:19:25,250 INFO L225 Difference]: With dead ends: 13 [2019-11-20 02:19:25,250 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:19:25,250 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-20 02:19:25,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:19:25,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:19:25,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:19:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:19:25,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-20 02:19:25,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:19:25,252 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:19:25,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 02:19:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:19:25,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:19:25,453 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 02:19:25,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 02:19:25,638 INFO L444 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-20 02:19:25,638 INFO L440 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-20 02:19:25,638 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 02:19:25,638 INFO L440 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-20 02:19:25,638 INFO L444 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-20 02:19:25,639 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 195) no Hoare annotation was computed. [2019-11-20 02:19:25,639 INFO L444 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-11-20 02:19:25,639 INFO L444 ceAbstractionStarter]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2019-11-20 02:19:25,639 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-20 02:19:25,639 INFO L444 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-20 02:19:25,639 INFO L444 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2019-11-20 02:19:25,639 INFO L440 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: false [2019-11-20 02:19:25,639 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-20 02:19:25,639 INFO L444 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-20 02:19:25,640 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-20 02:19:25,640 INFO L440 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-11-20 02:19:25,640 INFO L444 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-20 02:19:25,640 INFO L444 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-20 02:19:25,640 INFO L440 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-20 02:19:25,640 INFO L444 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-20 02:19:25,640 INFO L444 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2019-11-20 02:19:25,640 INFO L444 ceAbstractionStarter]: For program point L122-1(lines 122 137) no Hoare annotation was computed. [2019-11-20 02:19:25,640 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-11-20 02:19:25,640 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-11-20 02:19:25,641 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2019-11-20 02:19:25,641 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2019-11-20 02:19:25,641 INFO L440 ceAbstractionStarter]: At program point L173(lines 108 174) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (let ((.cse0 (fp.neg .cse1))) (and (or (fp.lt ULTIMATE.start___ieee754_asinf_~x .cse0) (fp.gt ULTIMATE.start___ieee754_asinf_~x .cse1)) (not (fp.eq |ULTIMATE.start___ieee754_asinf_#res| |ULTIMATE.start___ieee754_asinf_#res|)) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (or (fp.gt .cse2 .cse1) (fp.lt .cse2 .cse0)))))) [2019-11-20 02:19:25,641 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 02:19:25,641 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2019-11-20 02:19:25,641 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 194) no Hoare annotation was computed. [2019-11-20 02:19:25,641 INFO L444 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-20 02:19:25,641 INFO L440 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-20 02:19:25,642 INFO L444 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-20 02:19:25,642 INFO L444 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-20 02:19:25,642 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2019-11-20 02:19:25,642 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2019-11-20 02:19:25,642 INFO L444 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2019-11-20 02:19:25,642 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 02:19:25,642 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2019-11-20 02:19:25,642 INFO L440 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg .cse0)) (fp.gt ULTIMATE.start___ieee754_asinf_~x .cse0))) [2019-11-20 02:19:25,642 INFO L444 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-20 02:19:25,643 INFO L444 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2019-11-20 02:19:25,643 INFO L444 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-20 02:19:25,643 INFO L440 ceAbstractionStarter]: At program point L95(lines 83 96) the Hoare annotation is: false [2019-11-20 02:19:25,643 INFO L444 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-20 02:19:25,643 INFO L440 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (let ((.cse0 (fp.neg .cse1))) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (or (fp.lt ULTIMATE.start___ieee754_asinf_~x .cse0) (fp.gt ULTIMATE.start___ieee754_asinf_~x .cse1)) (not (fp.eq |ULTIMATE.start___ieee754_asinf_#res| |ULTIMATE.start___ieee754_asinf_#res|)) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (or (fp.gt .cse2 .cse1) (fp.lt .cse2 .cse0)))))) [2019-11-20 02:19:25,643 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-20 02:19:25,643 INFO L440 ceAbstractionStarter]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-11-20 02:19:25,643 INFO L447 ceAbstractionStarter]: At program point L197(lines 176 198) the Hoare annotation is: true [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2019-11-20 02:19:25,644 INFO L444 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-20 02:19:25,653 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,659 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:19:25 BoogieIcfgContainer [2019-11-20 02:19:25,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:19:25,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:19:25,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:19:25,673 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:19:25,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:19:14" (3/4) ... [2019-11-20 02:19:25,677 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:19:25,690 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 02:19:25,690 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 02:19:25,691 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:19:25,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && (~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) [2019-11-20 02:19:25,717 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && (~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && (~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) [2019-11-20 02:19:25,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_85c8b502-efad-466b-be8b-ce9b54e12a8c/bin/uautomizer/witness.graphml [2019-11-20 02:19:25,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:19:25,751 INFO L168 Benchmark]: Toolchain (without parser) took 22380.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 961.8 MB in the beginning and 984.9 MB in the end (delta: -23.1 MB). Peak memory consumption was 144.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:25,752 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:19:25,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -201.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:25,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.92 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:25,753 INFO L168 Benchmark]: Boogie Preprocessor took 49.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:19:25,754 INFO L168 Benchmark]: RCFGBuilder took 10068.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:25,754 INFO L168 Benchmark]: TraceAbstraction took 11615.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 115.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:25,755 INFO L168 Benchmark]: Witness Printer took 77.30 ms. Allocated memory is still 1.2 GB. Free memory was 991.9 MB in the beginning and 984.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:19:25,757 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 479.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -201.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.92 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10068.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11615.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 115.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 11.5 GB. * Witness Printer took 77.30 ms. Allocated memory is still 1.2 GB. Free memory was 991.9 MB in the beginning and 984.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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: 192]: 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-11-20 02:19:25,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && (~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) - InvariantResult [Line: 13]: Loop Invariant [2019-11-20 02:19:25,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 02:19:25,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((1bv32 == \result && (~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && (~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) - InvariantResult [Line: 111]: Loop Invariant [2019-11-20 02:19:25,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 02:19:25,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Result: SAFE, OverallTime: 11.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 92 SDtfs, 38 SDslu, 45 SDs, 0 SdLazy, 14 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 142 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 3 QuantifiedInterpolants, 1979 SizeOfPredicates, 14 NumberOfNonLiveVariables, 135 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...