./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 4c9cffacfd3e6caa748d273206d3a84e636fe987 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 4c9cffacfd3e6caa748d273206d3a84e636fe987 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:24:46,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:24:46,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:24:46,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:24:46,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:24:46,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:24:46,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:24:46,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:24:46,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:24:46,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:24:46,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:24:46,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:24:46,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:24:46,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:24:46,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:24:46,826 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:24:46,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:24:46,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:24:46,828 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:24:46,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:24:46,829 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:24:46,830 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:24:46,831 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:24:46,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:24:46,831 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:24:46,832 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:24:46,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:24:46,833 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:24:46,833 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:24:46,834 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:24:46,834 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:24:46,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:24:46,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:24:46,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:24:46,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:24:46,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:24:46,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 00:24:46,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:24:46,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:24:46,843 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:24:46,843 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:24:46,844 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:24:46,844 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:24:46,844 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:24:46,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:24:46,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:24:46,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:24:46,846 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 00:24:46,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:24:46,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:24:46,846 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 -> 4c9cffacfd3e6caa748d273206d3a84e636fe987 [2018-12-09 00:24:46,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:24:46,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:24:46,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:24:46,874 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:24:46,874 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:24:46,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-12-09 00:24:46,910 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data/1338c0667/52e40be395f34485b13515030f2452f9/FLAG9e130f1ab [2018-12-09 00:24:47,252 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:24:47,253 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-12-09 00:24:47,257 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data/1338c0667/52e40be395f34485b13515030f2452f9/FLAG9e130f1ab [2018-12-09 00:24:47,265 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data/1338c0667/52e40be395f34485b13515030f2452f9 [2018-12-09 00:24:47,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:24:47,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:24:47,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:24:47,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:24:47,270 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:24:47,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c2e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47, skipping insertion in model container [2018-12-09 00:24:47,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:24:47,286 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:24:47,386 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:24:47,390 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:24:47,410 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:24:47,453 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:24:47,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47 WrapperNode [2018-12-09 00:24:47,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:24:47,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:24:47,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:24:47,455 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:24:47,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:24:47,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:24:47,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:24:47,471 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:24:47,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... [2018-12-09 00:24:47,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:24:47,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:24:47,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:24:47,494 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:24:47,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 [2018-12-09 00:24:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-09 00:24:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-09 00:24:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:24:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:24:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 00:24:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 00:24:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:24:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:24:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 00:24:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:24:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:24:47,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:24:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 00:24:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 00:24:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:24:47,706 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:24:47,706 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 00:24:47,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:47 BoogieIcfgContainer [2018-12-09 00:24:47,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:24:47,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:24:47,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:24:47,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:24:47,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:24:47" (1/3) ... [2018-12-09 00:24:47,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b40d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:24:47, skipping insertion in model container [2018-12-09 00:24:47,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:47" (2/3) ... [2018-12-09 00:24:47,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b40d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:24:47, skipping insertion in model container [2018-12-09 00:24:47,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:47" (3/3) ... [2018-12-09 00:24:47,711 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b_true-unreach-call.c [2018-12-09 00:24:47,717 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:24:47,721 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:24:47,733 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:24:47,750 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:24:47,751 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:24:47,751 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:24:47,751 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:24:47,751 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:24:47,751 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:24:47,751 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:24:47,751 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:24:47,751 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:24:47,761 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-12-09 00:24:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:24:47,765 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:24:47,765 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:24:47,767 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:24:47,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:24:47,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1027521113, now seen corresponding path program 1 times [2018-12-09 00:24:47,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:24:47,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:24:47,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:24:47,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:24:47,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:24:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:24:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:24:47,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:24:47,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:24:47,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:24:47,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:24:47,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:24:47,874 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-12-09 00:24:47,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:24:47,887 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-12-09 00:24:47,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:24:47,888 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-09 00:24:47,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:24:47,894 INFO L225 Difference]: With dead ends: 82 [2018-12-09 00:24:47,894 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 00:24:47,896 INFO L631 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 [2018-12-09 00:24:47,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 00:24:47,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-09 00:24:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 00:24:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-12-09 00:24:47,917 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-12-09 00:24:47,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:24:47,917 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-12-09 00:24:47,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:24:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-09 00:24:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:24:47,918 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:24:47,918 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:24:47,918 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:24:47,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:24:47,918 INFO L82 PathProgramCache]: Analyzing trace with hash 900277844, now seen corresponding path program 1 times [2018-12-09 00:24:47,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:24:47,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:24:47,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:24:47,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:24:47,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:24:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:24:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:24:47,972 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:24:47,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:24:47 BoogieIcfgContainer [2018-12-09 00:24:47,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:24:47,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:24:47,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:24:47,995 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:24:47,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:47" (3/4) ... [2018-12-09 00:24:47,997 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 00:24:47,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:24:47,998 INFO L168 Benchmark]: Toolchain (without parser) took 731.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 961.4 MB in the beginning and 988.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:24:47,999 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:24:47,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -96.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:24:47,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:24:48,000 INFO L168 Benchmark]: Boogie Preprocessor took 22.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:24:48,000 INFO L168 Benchmark]: RCFGBuilder took 212.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:24:48,000 INFO L168 Benchmark]: TraceAbstraction took 287.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 988.7 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:24:48,000 INFO L168 Benchmark]: Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory is still 988.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:24:48,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -96.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 212.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 287.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 988.7 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory is still 988.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someUnaryFLOAToperation at line 117, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=31, \old(halF_exp)=19, \old(huge_exp)=14, \old(invln2_exp)=15, \old(ln2HI_exp)=23, \old(ln2HI_exp)=9, \old(ln2LO_exp)=30, \old(ln2LO_exp)=25, \old(one_exp)=32, \old(P1_exp)=18, \old(P2_exp)=21, \old(P3_exp)=27, \old(P4_exp)=29, \old(P5_exp)=28, \old(twom100_exp)=10, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = -0.0f; VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L118] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=16, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=16, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=16, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [\old(x)=16, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L118] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=13, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=13, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] [L122] __VERIFIER_error() VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={22:0}, ln2LO_exp={26:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=13, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 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=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-635dfa2 [2018-12-09 00:24:49,252 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:24:49,253 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:24:49,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:24:49,259 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:24:49,260 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:24:49,260 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:24:49,261 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:24:49,262 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:24:49,262 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:24:49,263 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:24:49,263 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:24:49,263 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:24:49,264 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:24:49,264 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:24:49,264 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:24:49,265 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:24:49,266 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:24:49,267 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:24:49,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:24:49,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:24:49,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:24:49,270 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:24:49,270 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:24:49,270 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:24:49,270 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:24:49,271 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:24:49,271 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:24:49,272 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:24:49,272 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:24:49,273 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:24:49,273 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:24:49,273 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:24:49,274 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:24:49,274 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:24:49,275 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:24:49,275 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 00:24:49,284 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:24:49,285 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:24:49,285 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:24:49,285 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:24:49,286 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:24:49,286 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:24:49,286 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:24:49,287 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:24:49,287 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:24:49,287 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:24:49,287 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:24:49,287 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:24:49,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:24:49,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:24:49,288 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:24:49,288 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:24:49,288 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:24:49,288 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:24:49,288 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:24:49,288 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:24:49,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:24:49,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:24:49,289 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:24:49,289 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:24:49,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:24:49,289 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:24:49,289 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:24:49,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:24:49,290 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 00:24:49,290 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:24:49,290 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:24:49,290 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:24:49,290 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 -> 4c9cffacfd3e6caa748d273206d3a84e636fe987 [2018-12-09 00:24:49,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:24:49,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:24:49,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:24:49,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:24:49,324 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:24:49,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-12-09 00:24:49,360 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data/2f22a8a01/e1da7e8cdfb0489fa55ad3de1effcd9f/FLAGce963d3c7 [2018-12-09 00:24:49,710 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:24:49,710 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-12-09 00:24:49,714 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data/2f22a8a01/e1da7e8cdfb0489fa55ad3de1effcd9f/FLAGce963d3c7 [2018-12-09 00:24:50,108 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/data/2f22a8a01/e1da7e8cdfb0489fa55ad3de1effcd9f [2018-12-09 00:24:50,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:24:50,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:24:50,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:24:50,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:24:50,113 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:24:50,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2999ae06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50, skipping insertion in model container [2018-12-09 00:24:50,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:24:50,131 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:24:50,237 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:24:50,242 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:24:50,266 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:24:50,282 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:24:50,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50 WrapperNode [2018-12-09 00:24:50,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:24:50,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:24:50,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:24:50,283 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:24:50,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:24:50,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:24:50,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:24:50,300 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:24:50,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... [2018-12-09 00:24:50,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:24:50,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:24:50,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:24:50,362 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:24:50,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 [2018-12-09 00:24:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-09 00:24:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:24:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:24:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:24:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 00:24:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:24:50,501 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:24:57,210 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:24:57,232 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:24:57,304 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 00:24:57,316 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:24:57,316 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 00:24:57,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:57 BoogieIcfgContainer [2018-12-09 00:24:57,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:24:57,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:24:57,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:24:57,319 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:24:57,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:24:50" (1/3) ... [2018-12-09 00:24:57,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbee944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:24:57, skipping insertion in model container [2018-12-09 00:24:57,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:24:50" (2/3) ... [2018-12-09 00:24:57,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbee944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:24:57, skipping insertion in model container [2018-12-09 00:24:57,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:57" (3/3) ... [2018-12-09 00:24:57,321 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b_true-unreach-call.c [2018-12-09 00:24:57,327 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:24:57,332 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:24:57,341 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:24:57,360 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:24:57,361 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:24:57,361 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:24:57,361 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:24:57,361 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:24:57,361 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:24:57,361 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:24:57,361 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:24:57,361 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:24:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-12-09 00:24:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:24:57,376 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:24:57,376 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:24:57,378 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:24:57,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:24:57,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1027521113, now seen corresponding path program 1 times [2018-12-09 00:24:57,384 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:24:57,384 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 [2018-12-09 00:24:57,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:24:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:24:57,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:24:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:24:57,485 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:24:57,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:24:57,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:24:57,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:24:57,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:24:57,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:24:57,506 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-12-09 00:24:57,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:24:57,518 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-12-09 00:24:57,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:24:57,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-09 00:24:57,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:24:57,525 INFO L225 Difference]: With dead ends: 82 [2018-12-09 00:24:57,525 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 00:24:57,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:24:57,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 00:24:57,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-09 00:24:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 00:24:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-12-09 00:24:57,550 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-12-09 00:24:57,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:24:57,551 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-12-09 00:24:57,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:24:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-09 00:24:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:24:57,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:24:57,551 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:24:57,551 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:24:57,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:24:57,552 INFO L82 PathProgramCache]: Analyzing trace with hash 900277844, now seen corresponding path program 1 times [2018-12-09 00:24:57,552 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:24:57,552 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 [2018-12-09 00:24:57,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:24:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:24:57,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:24:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:24:57,723 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:24:57,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:24:57,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:24:57,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:24:57,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:24:57,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:24:57,737 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 7 states. [2018-12-09 00:25:07,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:25:07,530 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2018-12-09 00:25:07,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:25:07,593 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-12-09 00:25:07,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:25:07,595 INFO L225 Difference]: With dead ends: 52 [2018-12-09 00:25:07,596 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 00:25:07,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 00:25:07,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 00:25:07,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-12-09 00:25:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 00:25:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-12-09 00:25:07,601 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 17 [2018-12-09 00:25:07,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:25:07,601 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-12-09 00:25:07,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:25:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-12-09 00:25:07,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 00:25:07,602 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:25:07,602 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:25:07,602 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:25:07,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:25:07,603 INFO L82 PathProgramCache]: Analyzing trace with hash -211300720, now seen corresponding path program 1 times [2018-12-09 00:25:07,603 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:25:07,603 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/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 [2018-12-09 00:25:07,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:25:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:07,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:25:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:07,738 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:25:07,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:25:07,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:25:07,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:25:07,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:25:07,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:25:07,747 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 6 states. [2018-12-09 00:25:16,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:25:16,616 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-12-09 00:25:16,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:25:16,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-09 00:25:16,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:25:16,683 INFO L225 Difference]: With dead ends: 52 [2018-12-09 00:25:16,683 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 00:25:16,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:25:16,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 00:25:16,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-12-09 00:25:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 00:25:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-12-09 00:25:16,687 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 19 [2018-12-09 00:25:16,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:25:16,687 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2018-12-09 00:25:16,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:25:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-12-09 00:25:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:25:16,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:25:16,688 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:25:16,688 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:25:16,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:25:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash -95067259, now seen corresponding path program 1 times [2018-12-09 00:25:16,689 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:25:16,689 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 00:25:16,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:25:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:16,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:25:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:16,846 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:25:16,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:25:16,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:25:16,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:25:16,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:25:16,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:25:16,855 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 7 states. [2018-12-09 00:25:26,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:25:26,116 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2018-12-09 00:25:26,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:25:26,181 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 00:25:26,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:25:26,182 INFO L225 Difference]: With dead ends: 52 [2018-12-09 00:25:26,182 INFO L226 Difference]: Without dead ends: 44 [2018-12-09 00:25:26,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 00:25:26,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-09 00:25:26,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-12-09 00:25:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 00:25:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2018-12-09 00:25:26,188 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 20 [2018-12-09 00:25:26,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:25:26,188 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2018-12-09 00:25:26,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:25:26,188 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2018-12-09 00:25:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:25:26,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:25:26,189 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:25:26,189 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:25:26,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:25:26,190 INFO L82 PathProgramCache]: Analyzing trace with hash 589145278, now seen corresponding path program 1 times [2018-12-09 00:25:26,190 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:25:26,190 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 00:25:26,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:25:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:26,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:25:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:26,355 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:25:26,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:25:26,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:25:26,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:25:26,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:25:26,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:25:26,365 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 7 states. [2018-12-09 00:25:35,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:25:35,910 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2018-12-09 00:25:35,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:25:35,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 00:25:35,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:25:35,912 INFO L225 Difference]: With dead ends: 50 [2018-12-09 00:25:35,912 INFO L226 Difference]: Without dead ends: 44 [2018-12-09 00:25:35,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 00:25:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-09 00:25:35,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-12-09 00:25:35,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 00:25:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-12-09 00:25:35,915 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 20 [2018-12-09 00:25:35,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:25:35,915 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-12-09 00:25:35,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:25:35,916 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-12-09 00:25:35,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:25:35,916 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:25:35,916 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:25:35,916 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:25:35,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:25:35,916 INFO L82 PathProgramCache]: Analyzing trace with hash 901419296, now seen corresponding path program 1 times [2018-12-09 00:25:35,917 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:25:35,917 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 00:25:35,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:25:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:36,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:25:36,577 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 00:25:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:36,730 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:25:36,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:25:36,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:25:36,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:25:36,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:25:36,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:25:36,739 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 8 states. [2018-12-09 00:25:39,970 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-09 00:25:46,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:25:46,184 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-12-09 00:25:46,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:25:46,185 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-12-09 00:25:46,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:25:46,186 INFO L225 Difference]: With dead ends: 48 [2018-12-09 00:25:46,186 INFO L226 Difference]: Without dead ends: 42 [2018-12-09 00:25:46,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-12-09 00:25:46,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-09 00:25:46,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-12-09 00:25:46,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 00:25:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-12-09 00:25:46,188 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 23 [2018-12-09 00:25:46,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:25:46,189 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-12-09 00:25:46,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:25:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-12-09 00:25:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:25:46,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:25:46,189 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:25:46,189 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:25:46,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:25:46,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1676277967, now seen corresponding path program 1 times [2018-12-09 00:25:46,190 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:25:46,190 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-09 00:25:46,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:25:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:46,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:25:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:46,943 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:25:46,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:25:46,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:25:46,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:25:46,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:25:46,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:25:46,957 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 7 states. [2018-12-09 00:25:54,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:25:54,863 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-12-09 00:25:54,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 00:25:54,934 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-09 00:25:54,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:25:54,935 INFO L225 Difference]: With dead ends: 61 [2018-12-09 00:25:54,935 INFO L226 Difference]: Without dead ends: 40 [2018-12-09 00:25:54,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 00:25:54,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-09 00:25:54,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-12-09 00:25:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 00:25:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-12-09 00:25:54,939 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 24 [2018-12-09 00:25:54,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:25:54,940 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-12-09 00:25:54,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:25:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-12-09 00:25:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:25:54,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:25:54,941 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:25:54,941 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:25:54,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:25:54,941 INFO L82 PathProgramCache]: Analyzing trace with hash -779018628, now seen corresponding path program 1 times [2018-12-09 00:25:54,941 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:25:54,942 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-09 00:25:54,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:25:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:55,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:25:56,323 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 00:25:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:56,327 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:25:56,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:25:56,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:25:56,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:25:56,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:25:56,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:25:56,341 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 6 states. [2018-12-09 00:25:59,675 WARN L180 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-09 00:26:07,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:26:07,665 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-12-09 00:26:07,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:26:07,667 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-09 00:26:07,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:26:07,667 INFO L225 Difference]: With dead ends: 47 [2018-12-09 00:26:07,667 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 00:26:07,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:26:07,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 00:26:07,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-09 00:26:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 00:26:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-12-09 00:26:07,671 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 25 [2018-12-09 00:26:07,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:26:07,671 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-12-09 00:26:07,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:26:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-12-09 00:26:07,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:26:07,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:26:07,672 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:26:07,672 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:26:07,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:26:07,672 INFO L82 PathProgramCache]: Analyzing trace with hash -2043508857, now seen corresponding path program 1 times [2018-12-09 00:26:07,672 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:26:07,672 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-12-09 00:26:07,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:26:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:26:08,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:26:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:26:08,670 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:26:08,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:26:08,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:26:08,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:26:08,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:26:08,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:26:08,687 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-12-09 00:26:20,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:26:20,404 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2018-12-09 00:26:20,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:26:20,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-09 00:26:20,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:26:20,475 INFO L225 Difference]: With dead ends: 58 [2018-12-09 00:26:20,475 INFO L226 Difference]: Without dead ends: 37 [2018-12-09 00:26:20,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:26:20,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-09 00:26:20,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-09 00:26:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-09 00:26:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-12-09 00:26:20,477 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 25 [2018-12-09 00:26:20,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:26:20,478 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-12-09 00:26:20,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:26:20,478 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-12-09 00:26:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 00:26:20,478 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:26:20,478 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:26:20,479 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:26:20,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:26:20,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1556919915, now seen corresponding path program 1 times [2018-12-09 00:26:20,479 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:26:20,479 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-12-09 00:26:20,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:26:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:26:21,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:26:21,958 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 00:26:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:26:21,962 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 00:26:21,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:26:21,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:26:21,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:26:21,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:26:21,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:26:21,978 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 6 states. [2018-12-09 00:26:22,920 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-09 00:26:27,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:26:27,237 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-12-09 00:26:27,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:26:27,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-09 00:26:27,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:26:27,307 INFO L225 Difference]: With dead ends: 37 [2018-12-09 00:26:27,307 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:26:27,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:26:27,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:26:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:26:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:26:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:26:27,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-09 00:26:27,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:26:27,308 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:26:27,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:26:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:26:27,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:26:27,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:26:27,666 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-09 00:26:27,978 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-12-09 00:26:27,979 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L451 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (or (not (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv830472192 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)))) [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L444 ceAbstractionStarter]: At program point L41-2(lines 41 45) the Hoare annotation is: (or (not (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) (= |__ieee754_expf_#in~x| __ieee754_expf_~x)) [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-12-09 00:26:27,980 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (or (not (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv830472192 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)))) [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ~one_exp~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) [2018-12-09 00:26:27,981 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 111 127) the Hoare annotation is: true [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 111 127) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2018-12-09 00:26:27,981 INFO L448 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-12-09 00:26:27,982 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2018-12-09 00:26:27,982 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 111 127) no Hoare annotation was computed. [2018-12-09 00:26:27,982 INFO L444 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (or (not (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0)) (= main_~x~0 (fp.neg (_ +zero 8 24)))) [2018-12-09 00:26:27,982 INFO L448 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-12-09 00:26:27,986 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,987 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,987 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,987 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,990 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,990 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,990 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,990 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,991 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,991 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,992 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,992 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,992 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,992 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,992 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,992 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,993 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,993 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,993 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,993 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,993 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,994 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,994 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,994 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,994 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:27,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,994 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:27,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:26:27 BoogieIcfgContainer [2018-12-09 00:26:27,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:26:27,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:26:27,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:26:27,996 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:26:27,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:24:57" (3/4) ... [2018-12-09 00:26:27,998 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:26:28,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-12-09 00:26:28,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:26:28,002 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:26:28,005 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2018-12-09 00:26:28,005 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-09 00:26:28,005 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:26:28,005 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:26:28,005 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:26:28,022 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || \old(x) == x [2018-12-09 00:26:28,023 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 830472192bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-12-09 00:26:28,023 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 830472192bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-12-09 00:26:28,040 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cc5f8a2d-6eaf-4ad1-8618-6365edbb4835/bin-2019/uautomizer/witness.graphml [2018-12-09 00:26:28,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:26:28,041 INFO L168 Benchmark]: Toolchain (without parser) took 97930.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -82.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:26:28,041 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:26:28,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.41 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:26:28,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.96 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:26:28,042 INFO L168 Benchmark]: Boogie Preprocessor took 61.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -183.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:26:28,042 INFO L168 Benchmark]: RCFGBuilder took 6954.88 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:26:28,042 INFO L168 Benchmark]: TraceAbstraction took 90678.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.9 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:26:28,043 INFO L168 Benchmark]: Witness Printer took 44.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:26:28,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.41 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.96 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -183.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6954.88 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 90678.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.9 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 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 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[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,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[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,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 - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,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[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 122]: 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: 97]: Loop Invariant [2018-12-09 00:26:28,048 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,048 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,048 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,048 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,048 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,048 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,048 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,048 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 830472192bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - InvariantResult [Line: 41]: Loop Invariant [2018-12-09 00:26:28,049 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 00:26:28,051 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 830472192bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. SAFE Result, 90.6s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 83.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 352 SDtfs, 388 SDslu, 1040 SDs, 0 SdLazy, 395 SolverSat, 3 SolverUnsat, 30 SolverUnknown, 0 SolverNotchecked, 78.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 164 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 24 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 16 NumberOfFragments, 128 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 168 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 210 ConstructedInterpolants, 38 QuantifiedInterpolants, 46147 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1194 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...