./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/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 8176e7e5e6b2069fd1594d8f16b741459bb13cc9 ....................................................................................................................................................................................................................................................................................................................................... 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_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/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 8176e7e5e6b2069fd1594d8f16b741459bb13cc9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:19:12,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:19:12,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:19:12,349 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:19:12,349 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:19:12,350 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:19:12,350 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:19:12,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:19:12,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:19:12,353 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:19:12,354 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:19:12,354 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:19:12,355 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:19:12,355 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:19:12,356 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:19:12,357 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:19:12,357 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:19:12,359 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:19:12,360 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:19:12,361 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:19:12,362 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:19:12,363 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:19:12,365 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:19:12,365 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:19:12,365 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:19:12,366 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:19:12,367 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:19:12,368 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:19:12,368 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:19:12,369 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:19:12,370 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:19:12,370 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:19:12,370 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:19:12,370 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:19:12,371 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:19:12,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:19:12,372 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:19:12,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:19:12,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:19:12,383 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:19:12,384 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:19:12,384 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:19:12,384 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:19:12,384 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:19:12,384 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:19:12,385 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:19:12,386 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:19:12,386 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:19:12,386 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:19:12,386 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:19:12,386 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:19:12,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:19:12,386 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:19:12,386 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:19:12,387 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:19:12,387 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:19:12,388 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:19:12,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:19:12,388 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_9f7aec51-407d-44b6-8518-374771edccbc/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 -> 8176e7e5e6b2069fd1594d8f16b741459bb13cc9 [2018-11-28 13:19:12,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:19:12,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:19:12,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:19:12,421 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:19:12,421 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:19:12,421 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b_true-unreach-call.c [2018-11-28 13:19:12,457 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data/70d0cb135/132e047d2cc041e5aa3befad70557a64/FLAG122dea501 [2018-11-28 13:19:12,868 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:19:12,869 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/sv-benchmarks/c/float-newlib/double_req_bl_0910b_true-unreach-call.c [2018-11-28 13:19:12,873 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data/70d0cb135/132e047d2cc041e5aa3befad70557a64/FLAG122dea501 [2018-11-28 13:19:12,883 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data/70d0cb135/132e047d2cc041e5aa3befad70557a64 [2018-11-28 13:19:12,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:19:12,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:19:12,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:19:12,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:19:12,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:19:12,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:19:12" (1/1) ... [2018-11-28 13:19:12,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516c935c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:12, skipping insertion in model container [2018-11-28 13:19:12,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:19:12" (1/1) ... [2018-11-28 13:19:12,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:19:12,916 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:19:13,036 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:19:13,039 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:19:13,064 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:19:13,114 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:19:13,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13 WrapperNode [2018-11-28 13:19:13,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:19:13,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:19:13,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:19:13,115 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:19:13,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:19:13,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:19:13,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:19:13,136 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:19:13,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... [2018-11-28 13:19:13,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:19:13,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:19:13,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:19:13,159 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:19:13,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/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 [2018-11-28 13:19:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-28 13:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-28 13:19:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-28 13:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-28 13:19:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:19:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 13:19:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:19:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:19:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 13:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:19:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:19:13,423 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:19:13,424 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 13:19:13,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:13 BoogieIcfgContainer [2018-11-28 13:19:13,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:19:13,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:19:13,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:19:13,427 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:19:13,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:19:12" (1/3) ... [2018-11-28 13:19:13,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce1b09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:19:13, skipping insertion in model container [2018-11-28 13:19:13,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:13" (2/3) ... [2018-11-28 13:19:13,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce1b09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:19:13, skipping insertion in model container [2018-11-28 13:19:13,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:13" (3/3) ... [2018-11-28 13:19:13,430 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b_true-unreach-call.c [2018-11-28 13:19:13,436 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:19:13,441 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:19:13,450 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:19:13,469 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:19:13,469 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:19:13,469 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:19:13,470 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:19:13,470 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:19:13,470 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:19:13,470 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:19:13,470 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:19:13,470 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:19:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-11-28 13:19:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 13:19:13,484 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:13,485 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] [2018-11-28 13:19:13,486 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:13,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:13,490 INFO L82 PathProgramCache]: Analyzing trace with hash 678028914, now seen corresponding path program 1 times [2018-11-28 13:19:13,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:13,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:13,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:13,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:13,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:13,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:19:13,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:19:13,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:19:13,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:19:13,614 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-11-28 13:19:13,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:13,631 INFO L93 Difference]: Finished difference Result 82 states and 121 transitions. [2018-11-28 13:19:13,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:19:13,632 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-28 13:19:13,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:13,638 INFO L225 Difference]: With dead ends: 82 [2018-11-28 13:19:13,638 INFO L226 Difference]: Without dead ends: 41 [2018-11-28 13:19:13,640 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 [2018-11-28 13:19:13,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-28 13:19:13,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-28 13:19:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-28 13:19:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-11-28 13:19:13,665 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 24 [2018-11-28 13:19:13,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:13,665 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-11-28 13:19:13,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:19:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-11-28 13:19:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:19:13,666 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:13,666 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] [2018-11-28 13:19:13,666 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:13,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:13,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1563027624, now seen corresponding path program 1 times [2018-11-28 13:19:13,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:13,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:13,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:13,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:19:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:19:13,793 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:19:13,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:19:13 BoogieIcfgContainer [2018-11-28 13:19:13,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:19:13,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:19:13,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:19:13,827 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:19:13,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:13" (3/4) ... [2018-11-28 13:19:13,829 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:19:13,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:19:13,830 INFO L168 Benchmark]: Toolchain (without parser) took 944.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -90.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:13,831 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:19:13,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:13,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:13,832 INFO L168 Benchmark]: Boogie Preprocessor took 23.38 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:13,832 INFO L168 Benchmark]: RCFGBuilder took 265.12 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:13,833 INFO L168 Benchmark]: TraceAbstraction took 401.24 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:13,833 INFO L168 Benchmark]: Witness Printer took 3.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:19:13,835 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.38 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 265.12 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 401.24 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 137]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of someUnaryDOUBLEoperation at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of bitwiseAnd at line 26. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=10737418260, \old(Lg2_log)=10737418264, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418245, \old(Lg5_log)=10737418247, \old(Lg6_log)=10737418256, \old(Lg7_log)=10737418253, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418248, \old(two54_log)=10737418257, \old(zero)=10737418261, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L132] double x = -0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L133] CALL, EXPR __ieee754_log(x) VAL [\old(x)=10737418263, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=10737418263, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418263, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [\old(x)=10737418263, hx=1048575, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, x=10737418263, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=10737418263, hx=1048575, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, x=10737418263, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [\old(x)=10737418263, hx=1048575, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483670, two54_log=18014398509481984, x=10737418263, zero=0] [L133] RET, EXPR __ieee754_log(x) VAL [__ieee754_log(x)=10737418246, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418263, zero=0] [L133] double res = __ieee754_log(x); [L136] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418246, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L19] __int32_t hx, lx; VAL [\old(x)=10737418246, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418246, zero=0] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418246, \result=0, hx=2146435072, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, x=10737418246, zero=0] [L136] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=10737418246, two54_log=18014398509481984, x=10737418263, zero=0] [L136] COND TRUE !isinf_double(res) [L137] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=10737418246, two54_log=18014398509481984, x=10737418263, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. UNSAFE Result, 0.3s 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, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 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 0.1.23-0cd3be1 [2018-11-28 13:19:15,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:19:15,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:19:15,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:19:15,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:19:15,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:19:15,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:19:15,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:19:15,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:19:15,301 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:19:15,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:19:15,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:19:15,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:19:15,304 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:19:15,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:19:15,305 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:19:15,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:19:15,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:19:15,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:19:15,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:19:15,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:19:15,312 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:19:15,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:19:15,314 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:19:15,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:19:15,314 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:19:15,315 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:19:15,316 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:19:15,316 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:19:15,317 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:19:15,317 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:19:15,318 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:19:15,318 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:19:15,318 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:19:15,318 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:19:15,320 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:19:15,320 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 13:19:15,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:19:15,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:19:15,331 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:19:15,331 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:19:15,332 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:19:15,332 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:19:15,332 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:19:15,332 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:19:15,332 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:19:15,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:19:15,334 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:19:15,334 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:19:15,334 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:19:15,334 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:19:15,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:19:15,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:19:15,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:19:15,334 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:19:15,334 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:19:15,334 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:19:15,335 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:19:15,335 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 13:19:15,336 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_9f7aec51-407d-44b6-8518-374771edccbc/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 -> 8176e7e5e6b2069fd1594d8f16b741459bb13cc9 [2018-11-28 13:19:15,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:19:15,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:19:15,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:19:15,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:19:15,371 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:19:15,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b_true-unreach-call.c [2018-11-28 13:19:15,408 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data/091fdb01f/0cb0e383574548cdb01143734e051cb7/FLAG8cb692792 [2018-11-28 13:19:15,717 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:19:15,718 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/sv-benchmarks/c/float-newlib/double_req_bl_0910b_true-unreach-call.c [2018-11-28 13:19:15,723 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data/091fdb01f/0cb0e383574548cdb01143734e051cb7/FLAG8cb692792 [2018-11-28 13:19:15,732 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/data/091fdb01f/0cb0e383574548cdb01143734e051cb7 [2018-11-28 13:19:15,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:19:15,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:19:15,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:19:15,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:19:15,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:19:15,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:15,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2fc0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15, skipping insertion in model container [2018-11-28 13:19:15,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:15,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:19:15,760 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:19:15,891 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:19:15,896 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:19:15,930 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:19:15,951 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:19:15,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15 WrapperNode [2018-11-28 13:19:15,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:19:15,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:19:15,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:19:15,952 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:19:15,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:15,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:15,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:19:15,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:19:15,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:19:15,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:19:16,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:16,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:16,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:16,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:16,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:16,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:16,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... [2018-11-28 13:19:16,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:19:16,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:19:16,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:19:16,036 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:19:16,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/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 [2018-11-28 13:19:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 13:19:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-28 13:19:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-28 13:19:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 13:19:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-28 13:19:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-28 13:19:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:19:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:19:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:19:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:19:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:19:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 13:19:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:19:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:19:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 13:19:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:19:20,365 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:19:36,560 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:19:36,629 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:19:36,804 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:19:36,817 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:19:36,817 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 13:19:36,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:36 BoogieIcfgContainer [2018-11-28 13:19:36,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:19:36,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:19:36,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:19:36,821 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:19:36,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:19:15" (1/3) ... [2018-11-28 13:19:36,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10814dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:19:36, skipping insertion in model container [2018-11-28 13:19:36,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:15" (2/3) ... [2018-11-28 13:19:36,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10814dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:19:36, skipping insertion in model container [2018-11-28 13:19:36,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:36" (3/3) ... [2018-11-28 13:19:36,824 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b_true-unreach-call.c [2018-11-28 13:19:36,830 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:19:36,836 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:19:36,848 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:19:36,865 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:19:36,866 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:19:36,866 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:19:36,866 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:19:36,866 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:19:36,866 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:19:36,866 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:19:36,866 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:19:36,866 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:19:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-11-28 13:19:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:19:36,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:36,880 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] [2018-11-28 13:19:36,882 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:36,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:36,885 INFO L82 PathProgramCache]: Analyzing trace with hash 594479389, now seen corresponding path program 1 times [2018-11-28 13:19:36,888 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:19:36,888 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/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 [2018-11-28 13:19:36,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:37,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:37,641 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:19:37,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:37,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:19:37,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:19:37,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:19:37,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:19:37,677 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-11-28 13:19:37,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:37,692 INFO L93 Difference]: Finished difference Result 80 states and 119 transitions. [2018-11-28 13:19:37,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:19:37,693 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-28 13:19:37,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:37,701 INFO L225 Difference]: With dead ends: 80 [2018-11-28 13:19:37,701 INFO L226 Difference]: Without dead ends: 40 [2018-11-28 13:19:37,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:19:37,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-28 13:19:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-28 13:19:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 13:19:37,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2018-11-28 13:19:37,729 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 23 [2018-11-28 13:19:37,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:37,730 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2018-11-28 13:19:37,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:19:37,730 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2018-11-28 13:19:37,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 13:19:37,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:37,731 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] [2018-11-28 13:19:37,731 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:37,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:37,731 INFO L82 PathProgramCache]: Analyzing trace with hash -463817501, now seen corresponding path program 1 times [2018-11-28 13:19:37,732 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:19:37,732 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/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 [2018-11-28 13:19:37,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:38,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:40,903 WARN L854 $PredicateComparison]: unable to prove that (and (= |c___ieee754_log_#res| (fp.div roundNearestTiesToEven (fp.neg c_~two54_log~0) c_~zero~0)) (= c_~two54_log~0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (= (_ +zero 11 53) c_~zero~0)) is different from true [2018-11-28 13:19:40,964 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:19:40,965 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:19:40,966 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:19:40,967 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:19:40,971 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-11-28 13:19:41,004 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 52 [2018-11-28 13:19:41,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:41,037 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-28 13:19:41,038 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:41,057 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-11-28 13:19:41,075 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 11 [2018-11-28 13:19:41,075 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:41,081 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:19:41,089 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:19:41,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-28 13:19:41,123 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:64, output treesize:28 [2018-11-28 13:19:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:41,367 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:19:41,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:41,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:19:41,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:19:41,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:19:41,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2018-11-28 13:19:41,386 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand 10 states. [2018-11-28 13:19:49,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:49,542 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2018-11-28 13:19:49,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:19:49,543 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-11-28 13:19:49,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:49,544 INFO L225 Difference]: With dead ends: 47 [2018-11-28 13:19:49,544 INFO L226 Difference]: Without dead ends: 40 [2018-11-28 13:19:49,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=47, Invalid=166, Unknown=1, NotChecked=26, Total=240 [2018-11-28 13:19:49,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-28 13:19:49,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-28 13:19:49,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 13:19:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2018-11-28 13:19:49,553 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 25 [2018-11-28 13:19:49,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:49,553 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2018-11-28 13:19:49,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:19:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2018-11-28 13:19:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 13:19:49,554 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:49,554 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] [2018-11-28 13:19:49,554 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:19:49,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:49,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1154507228, now seen corresponding path program 1 times [2018-11-28 13:19:49,555 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:19:49,555 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/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 [2018-11-28 13:19:49,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:49,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:49,745 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:19:49,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:49,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:19:49,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:19:49,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:19:49,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:19:49,754 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand 6 states. [2018-11-28 13:20:00,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:20:00,287 INFO L93 Difference]: Finished difference Result 68 states and 84 transitions. [2018-11-28 13:20:00,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:20:00,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-28 13:20:00,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:20:00,888 INFO L225 Difference]: With dead ends: 68 [2018-11-28 13:20:00,888 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 13:20:00,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:20:00,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 13:20:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-11-28 13:20:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 13:20:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2018-11-28 13:20:00,895 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 25 [2018-11-28 13:20:00,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:20:00,895 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2018-11-28 13:20:00,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:20:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2018-11-28 13:20:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:20:00,896 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:20:00,896 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] [2018-11-28 13:20:00,896 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:20:00,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:20:00,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1436946137, now seen corresponding path program 1 times [2018-11-28 13:20:00,897 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:20:00,897 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/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 [2018-11-28 13:20:00,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:20:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:20:01,759 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:20:01,791 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:20:01,791 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:20:01,793 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:20:01,793 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:20:01,794 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 98 [2018-11-28 13:20:01,884 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 59 [2018-11-28 13:20:01,885 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:20:01,914 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-28 13:20:01,915 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:20:01,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-11-28 13:20:01,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 14 [2018-11-28 13:20:01,973 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 13:20:01,982 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:20:01,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:20:02,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-28 13:20:02,007 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:82, output treesize:28 [2018-11-28 13:20:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:20:02,071 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:20:02,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:20:02,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:20:02,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:20:02,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:20:02,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:20:02,089 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states. [2018-11-28 13:20:08,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:20:08,115 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2018-11-28 13:20:08,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:20:08,116 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-11-28 13:20:08,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:20:08,117 INFO L225 Difference]: With dead ends: 42 [2018-11-28 13:20:08,117 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:20:08,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:20:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:20:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:20:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:20:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:20:08,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-28 13:20:08,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:20:08,118 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:20:08,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:20:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:20:08,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:20:08,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:20:08,578 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2018-11-28 13:20:08,698 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (and (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (v_prenex_13 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) |v_q#valueAsBitvector_6|)) (.cse0 ((_ extract 31 0) v_prenex_13))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13))) (= .cse0 ((_ extract 31 0) |v_q#valueAsBitvector_6|)) (= ((_ extract 63 32) v_prenex_13) .cse1) (= .cse1 __ieee754_log_~hx~1) (= .cse0 __ieee754_log_~lx~1)))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (v_prenex_13 (_ BitVec 64))) (let ((.cse3 ((_ extract 63 32) |v_q#valueAsBitvector_6|)) (.cse2 ((_ extract 31 0) v_prenex_13))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13))) (= .cse2 ((_ extract 31 0) |v_q#valueAsBitvector_6|)) (= ((_ extract 63 32) v_prenex_13) .cse3) (not (= (_ bv0 32) (bvor (bvand (_ bv2147483647 32) .cse3) .cse2))))))) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-11-28 13:20:08,699 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (not (= (_ +zero 11 53) ~zero~0)) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (v_prenex_13 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) |v_q#valueAsBitvector_6|)) (.cse0 ((_ extract 31 0) v_prenex_13))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13))) (= .cse0 ((_ extract 31 0) |v_q#valueAsBitvector_6|)) (= ((_ extract 63 32) v_prenex_13) .cse1) (not (= (_ bv0 32) (bvor (bvand (_ bv2147483647 32) .cse1) .cse0))))))) [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (not (= (_ +zero 11 53) ~zero~0)) (= isinf_double_~x |isinf_double_#in~x|)) [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 18 30) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 18 30) no Hoare annotation was computed. [2018-11-28 13:20:08,700 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 18 30) the Hoare annotation is: true [2018-11-28 13:20:08,701 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:20:08,701 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~two54_log~0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (= (_ +zero 11 53) ~zero~0)) [2018-11-28 13:20:08,701 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:20:08,701 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:20:08,701 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2018-11-28 13:20:08,701 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 126 142) the Hoare annotation is: true [2018-11-28 13:20:08,701 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 126 142) no Hoare annotation was computed. [2018-11-28 13:20:08,701 INFO L448 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-11-28 13:20:08,701 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 126 142) no Hoare annotation was computed. [2018-11-28 13:20:08,702 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0))) (or (not (= .cse0 ~two54_log~0)) (= (fp.div roundNearestTiesToEven (fp.neg .cse0) (_ +zero 11 53)) main_~res~0) (not (= (_ +zero 11 53) ~zero~0)))) [2018-11-28 13:20:08,702 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 136 139) no Hoare annotation was computed. [2018-11-28 13:20:08,702 INFO L444 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (not (= (_ +zero 11 53) ~zero~0)) (= main_~x~0 (fp.neg (_ +zero 11 53)))) [2018-11-28 13:20:08,702 INFO L448 ceAbstractionStarter]: For program point L133-1(line 133) no Hoare annotation was computed. [2018-11-28 13:20:08,708 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,714 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,715 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,716 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,719 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,719 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,719 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,720 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,721 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,722 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,722 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,722 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,722 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,723 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,723 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,723 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,723 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,723 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,723 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,723 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,724 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,725 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,725 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,726 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,726 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:20:08 BoogieIcfgContainer [2018-11-28 13:20:08,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:20:08,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:20:08,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:20:08,728 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:20:08,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:36" (3/4) ... [2018-11-28 13:20:08,732 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:20:08,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:20:08,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-11-28 13:20:08,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-11-28 13:20:08,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:20:08,743 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-28 13:20:08,743 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-28 13:20:08,743 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 13:20:08,743 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:20:08,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || x == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero) [2018-11-28 13:20:08,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || !(~Pluszero~LONGDOUBLE() == zero)) || x == \old(x) [2018-11-28 13:20:08,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || ((\exists v_q#valueAsBitvector_6 : bv64, v_prenex_13 : bv64 :: (((\old(x) == ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) && v_prenex_13[31:0] == v_q#valueAsBitvector_6[31:0]) && v_prenex_13[63:32] == v_q#valueAsBitvector_6[63:32]) && v_q#valueAsBitvector_6[63:32] == hx) && v_prenex_13[31:0] == lx) && (\exists v_q#valueAsBitvector_6 : bv64, v_prenex_13 : bv64 :: ((\old(x) == ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) && v_prenex_13[31:0] == v_q#valueAsBitvector_6[31:0]) && v_prenex_13[63:32] == v_q#valueAsBitvector_6[63:32]) && !(0bv32 == ~bvor32(~bvand32(2147483647bv32, v_q#valueAsBitvector_6[63:32]), v_prenex_13[31:0]))))) || !(~Pluszero~LONGDOUBLE() == zero) [2018-11-28 13:20:08,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || !(~Pluszero~LONGDOUBLE() == zero)) || (\exists v_q#valueAsBitvector_6 : bv64, v_prenex_13 : bv64 :: ((\old(x) == ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) && v_prenex_13[31:0] == v_q#valueAsBitvector_6[31:0]) && v_prenex_13[63:32] == v_q#valueAsBitvector_6[63:32]) && !(0bv32 == ~bvor32(~bvand32(2147483647bv32, v_q#valueAsBitvector_6[63:32]), v_prenex_13[31:0]))) [2018-11-28 13:20:08,783 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f7aec51-407d-44b6-8518-374771edccbc/bin-2019/uautomizer/witness.graphml [2018-11-28 13:20:08,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:20:08,784 INFO L168 Benchmark]: Toolchain (without parser) took 53049.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 941.9 MB in the beginning and 872.2 MB in the end (delta: 69.8 MB). Peak memory consumption was 227.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:20:08,785 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. [2018-11-28 13:20:08,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.72 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 925.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:20:08,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 1.0 GB. Free memory is still 925.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:20:08,785 INFO L168 Benchmark]: Boogie Preprocessor took 62.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -219.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:20:08,786 INFO L168 Benchmark]: RCFGBuilder took 20781.66 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:20:08,786 INFO L168 Benchmark]: TraceAbstraction took 31909.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.9 MB in the end (delta: 227.3 MB). Peak memory consumption was 227.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:20:08,786 INFO L168 Benchmark]: Witness Printer took 55.29 ms. Allocated memory is still 1.2 GB. Free memory was 878.9 MB in the beginning and 872.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:20:08,788 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 215.72 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 925.8 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 20.62 ms. Allocated memory is still 1.0 GB. Free memory is still 925.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -219.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 20781.66 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31909.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.9 MB in the end (delta: 227.3 MB). Peak memory consumption was 227.3 MB. Max. memory is 11.5 GB. * Witness Printer took 55.29 ms. Allocated memory is still 1.2 GB. Free memory was 878.9 MB in the beginning and 872.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 137]: 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: 76]: Loop Invariant [2018-11-28 13:20:08,795 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,797 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,797 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,797 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,797 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,798 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || !(~Pluszero~LONGDOUBLE() == zero)) || (\exists v_q#valueAsBitvector_6 : bv64, v_prenex_13 : bv64 :: ((\old(x) == ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) && v_prenex_13[31:0] == v_q#valueAsBitvector_6[31:0]) && v_prenex_13[63:32] == v_q#valueAsBitvector_6[63:32]) && !(0bv32 == ~bvor32(~bvand32(2147483647bv32, v_q#valueAsBitvector_6[63:32]), v_prenex_13[31:0]))) - InvariantResult [Line: 65]: Loop Invariant [2018-11-28 13:20:08,799 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,803 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,803 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,803 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,803 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,803 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,803 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,804 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,804 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,804 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,804 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-28 13:20:08,804 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,804 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-11-28 13:20:08,805 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || ((\exists v_q#valueAsBitvector_6 : bv64, v_prenex_13 : bv64 :: (((\old(x) == ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) && v_prenex_13[31:0] == v_q#valueAsBitvector_6[31:0]) && v_prenex_13[63:32] == v_q#valueAsBitvector_6[63:32]) && v_q#valueAsBitvector_6[63:32] == hx) && v_prenex_13[31:0] == lx) && (\exists v_q#valueAsBitvector_6 : bv64, v_prenex_13 : bv64 :: ((\old(x) == ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) && v_prenex_13[31:0] == v_q#valueAsBitvector_6[31:0]) && v_prenex_13[63:32] == v_q#valueAsBitvector_6[63:32]) && !(0bv32 == ~bvor32(~bvand32(2147483647bv32, v_q#valueAsBitvector_6[63:32]), v_prenex_13[31:0]))))) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 20]: Loop Invariant [2018-11-28 13:20:08,805 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || !(~Pluszero~LONGDOUBLE() == zero)) || x == \old(x) - InvariantResult [Line: 50]: Loop Invariant [2018-11-28 13:20:08,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:20:08,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || x == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 44 locations, 1 error locations. SAFE Result, 31.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 25.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 166 SDtfs, 106 SDslu, 457 SDs, 0 SdLazy, 146 SolverSat, 12 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 21.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 18 PreInvPairs, 24 NumberOfFragments, 191 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 153 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 95 ConstructedInterpolants, 18 QuantifiedInterpolants, 18788 SizeOfPredicates, 13 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...