./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/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 aa2086ab05aa915f1fa31296bc02fdb3a78fa087 .............................................................................................................................................................................................................................................................................................................. 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_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/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 aa2086ab05aa915f1fa31296bc02fdb3a78fa087 ................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:28,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,640 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,648 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,648 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,649 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,653 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,654 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,655 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,655 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,656 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,657 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,658 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,659 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,660 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,661 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,663 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,663 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,663 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,666 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,666 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,666 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,666 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,667 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,667 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,668 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 08:34:28,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,678 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:28,678 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 08:34:28,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,679 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,679 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:28,680 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:28,680 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:28,680 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,680 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:28,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,681 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,681 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:28,681 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:28,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:28,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:28,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:28,681 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,682 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:28,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:34:28,682 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_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/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 -> aa2086ab05aa915f1fa31296bc02fdb3a78fa087 [2018-11-18 08:34:28,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:28,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:28,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:28,719 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:28,720 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:28,720 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-11-18 08:34:28,760 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data/7e8a2f21e/7df3618e3a0248308120ddf01020fdf4/FLAG0c26675ce [2018-11-18 08:34:29,189 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,190 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-11-18 08:34:29,195 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data/7e8a2f21e/7df3618e3a0248308120ddf01020fdf4/FLAG0c26675ce [2018-11-18 08:34:29,204 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data/7e8a2f21e/7df3618e3a0248308120ddf01020fdf4 [2018-11-18 08:34:29,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,207 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:29,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,209 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44084d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,236 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,379 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,382 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,408 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,466 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,503 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/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 [2018-11-18 08:34:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 08:34:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-11-18 08:34:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 08:34:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 08:34:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 08:34:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 08:34:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 08:34:29,925 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:29,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29 BoogieIcfgContainer [2018-11-18 08:34:29,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:29,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:29,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:29,929 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:29,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:29,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d72dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:29,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d72dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29" (3/3) ... [2018-11-18 08:34:29,932 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a_true-unreach-call.c [2018-11-18 08:34:29,937 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:29,942 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:34:29,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:34:29,968 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:29,968 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:29,968 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:29,969 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:29,969 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:29,969 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:29,969 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:29,969 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:29,969 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-11-18 08:34:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 08:34:29,986 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:29,986 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:29,988 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:29,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:29,991 INFO L82 PathProgramCache]: Analyzing trace with hash 963102385, now seen corresponding path program 1 times [2018-11-18 08:34:29,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:29,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:30,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:34:30,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:34:30,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:34:30,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:34:30,104 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-11-18 08:34:30,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,126 INFO L93 Difference]: Finished difference Result 151 states and 241 transitions. [2018-11-18 08:34:30,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:34:30,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 08:34:30,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:30,134 INFO L225 Difference]: With dead ends: 151 [2018-11-18 08:34:30,134 INFO L226 Difference]: Without dead ends: 75 [2018-11-18 08:34:30,136 INFO L604 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 [2018-11-18 08:34:30,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-18 08:34:30,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-11-18 08:34:30,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-18 08:34:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 102 transitions. [2018-11-18 08:34:30,169 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 102 transitions. Word has length 19 [2018-11-18 08:34:30,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:30,170 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 102 transitions. [2018-11-18 08:34:30,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:34:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2018-11-18 08:34:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:34:30,171 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:30,171 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,171 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:30,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2015921933, now seen corresponding path program 1 times [2018-11-18 08:34:30,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,268 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 08:34:30,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:34:30,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:34:30,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:34:30,288 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:34:30,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29" (3/4) ... [2018-11-18 08:34:30,290 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 08:34:30,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:34:30,291 INFO L168 Benchmark]: Toolchain (without parser) took 1084.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -106.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,292 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:30,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,292 INFO L168 Benchmark]: Boogie Preprocessor took 35.27 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,293 INFO L168 Benchmark]: RCFGBuilder took 422.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,293 INFO L168 Benchmark]: TraceAbstraction took 360.98 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: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,293 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:30,295 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.27 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 422.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 360.98 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: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 191]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 190, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [\old(one_fmod)=6442450958, \old(Zero_fmod)=6442450949, \old(Zero_fmod)=6442450954, one_fmod=1, Zero_fmod={1:0}] [L182] double x = 0.0; [L183] double y = __VERIFIER_nondet_double(); [L185] COND TRUE y < 0.0 || y > 0.0 VAL [one_fmod=1, x=0, y=6442450955, Zero_fmod={1:0}] [L187] CALL, EXPR fmod_double(x, y) VAL [\old(x)=0, \old(y)=6442450955, one_fmod=1, Zero_fmod={1:0}] [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [\old(x)=0, \old(y)=6442450955, one_fmod=1, x=0, y=6442450955, Zero_fmod={1:0}] [L28] FCALL ieee_double_shape_type ew_u; [L29] FCALL ew_u.value = (x) [L30] EXPR, FCALL ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR, FCALL ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L32] COND FALSE !(0) VAL [\old(x)=0, \old(y)=6442450955, hx=-2147483648, lx=6442450953, one_fmod=1, x=0, y=6442450955, Zero_fmod={1:0}] [L34] FCALL ieee_double_shape_type ew_u; [L35] FCALL ew_u.value = (y) [L36] EXPR, FCALL ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR, FCALL ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L38] COND FALSE !(0) VAL [\old(x)=0, \old(y)=6442450955, hx=-2147483648, hy=2147483646, lx=6442450953, ly=6442450957, one_fmod=1, x=0, y=6442450955, Zero_fmod={1:0}] [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [\old(x)=0, \old(y)=6442450955, lx=6442450953, ly=6442450957, one_fmod=1, sx=-1, x=0, y=6442450955, Zero_fmod={1:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] RET return (x * y) / (x * y); VAL [\old(x)=0, \old(y)=6442450955, hx=2146435072, lx=6442450953, ly=6442450957, one_fmod=1, sx=-1, x=0, y=6442450955, Zero_fmod={1:0}] [L187] EXPR fmod_double(x, y) VAL [fmod_double(x, y)=6442450947, one_fmod=1, x=0, y=6442450955, Zero_fmod={1:0}] [L187] double res = fmod_double(x, y); [L190] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, res=6442450947, res == 0.0 && __signbit_double(res) == 0=0, x=0, y=6442450955, Zero_fmod={1:0}] [L190] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L191] __VERIFIER_error() VAL [one_fmod=1, res=6442450947, x=0, y=6442450955, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 83 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 108 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=80occurred 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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 0.1.23-5842f4b [2018-11-18 08:34:31,705 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:31,706 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:31,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:31,714 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:31,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:31,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:31,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:31,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:31,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:31,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:31,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:31,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:31,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:31,721 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:31,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:31,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:31,724 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:31,725 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:31,726 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:31,727 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:31,728 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:31,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:31,730 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:31,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:31,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:31,731 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:31,732 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:31,733 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:31,733 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:31,734 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:31,734 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:31,734 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:31,734 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:31,735 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:31,736 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:31,736 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 08:34:31,746 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:31,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:31,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:31,747 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:34:31,748 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:31,748 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:31,748 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:31,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:31,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:31,749 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:31,749 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:31,749 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:31,749 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:31,749 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:31,749 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 08:34:31,749 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 08:34:31,749 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:31,750 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:31,750 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:31,750 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:31,750 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:31,750 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:31,750 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:31,750 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:31,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:31,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:31,751 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:31,751 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:31,751 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 08:34:31,751 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:31,751 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 08:34:31,752 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 08:34:31,752 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_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/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 -> aa2086ab05aa915f1fa31296bc02fdb3a78fa087 [2018-11-18 08:34:31,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:31,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:31,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:31,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:31,794 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:31,795 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-11-18 08:34:31,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data/1a3cc19d0/6c1ff86763d44990b43041caa7bdd442/FLAG5fe51e1cb [2018-11-18 08:34:32,154 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:32,154 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/sv-benchmarks/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-11-18 08:34:32,158 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data/1a3cc19d0/6c1ff86763d44990b43041caa7bdd442/FLAG5fe51e1cb [2018-11-18 08:34:32,167 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/data/1a3cc19d0/6c1ff86763d44990b43041caa7bdd442 [2018-11-18 08:34:32,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:32,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:32,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:32,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:32,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:32,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6e7477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32, skipping insertion in model container [2018-11-18 08:34:32,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:32,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:32,374 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:32,381 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:32,414 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:32,438 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:32,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32 WrapperNode [2018-11-18 08:34:32,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:32,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:32,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:32,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:32,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:32,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:32,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:32,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:32,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/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 [2018-11-18 08:34:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 08:34:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-11-18 08:34:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 08:34:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 08:34:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 08:34:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 08:34:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 08:34:32,681 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:32,734 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,288 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,319 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:35,752 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:35,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:35 BoogieIcfgContainer [2018-11-18 08:34:35,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:35,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:35,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:35,756 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:35,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:32" (1/3) ... [2018-11-18 08:34:35,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adab979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:35, skipping insertion in model container [2018-11-18 08:34:35,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32" (2/3) ... [2018-11-18 08:34:35,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adab979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:35, skipping insertion in model container [2018-11-18 08:34:35,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:35" (3/3) ... [2018-11-18 08:34:35,758 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a_true-unreach-call.c [2018-11-18 08:34:35,766 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:35,773 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:34:35,786 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:34:35,810 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:35,811 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:35,811 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:35,811 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:35,811 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:35,812 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:35,812 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:35,812 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:35,812 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-11-18 08:34:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 08:34:35,833 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:35,833 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:35,835 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:35,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:35,840 INFO L82 PathProgramCache]: Analyzing trace with hash 963102385, now seen corresponding path program 1 times [2018-11-18 08:34:35,843 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 08:34:35,844 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/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 [2018-11-18 08:34:35,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:36,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:36,658 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 08:34:36,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:36,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:34:36,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:34:36,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:34:36,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:34:36,691 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-11-18 08:34:36,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:36,707 INFO L93 Difference]: Finished difference Result 80 states and 125 transitions. [2018-11-18 08:34:36,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:34:36,708 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 08:34:36,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:36,713 INFO L225 Difference]: With dead ends: 80 [2018-11-18 08:34:36,714 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:34:36,716 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:34:36,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:34:36,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:34:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:34:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:34:36,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-11-18 08:34:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:36,735 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:36,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:34:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:34:36,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:34:36,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:34:36,792 INFO L425 ceAbstractionStarter]: For program point isnan_doubleENTRY(line 16) no Hoare annotation was computed. [2018-11-18 08:34:36,792 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 16) no Hoare annotation was computed. [2018-11-18 08:34:36,792 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 16) no Hoare annotation was computed. [2018-11-18 08:34:36,792 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:34:36,792 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:34:36,792 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:34:36,793 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 163 173) no Hoare annotation was computed. [2018-11-18 08:34:36,793 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 163 173) no Hoare annotation was computed. [2018-11-18 08:34:36,793 INFO L428 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 163 173) the Hoare annotation is: true [2018-11-18 08:34:36,793 INFO L425 ceAbstractionStarter]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2018-11-18 08:34:36,793 INFO L428 ceAbstractionStarter]: At program point L166-3(lines 166 170) the Hoare annotation is: true [2018-11-18 08:34:36,793 INFO L425 ceAbstractionStarter]: For program point L166-4(lines 166 170) no Hoare annotation was computed. [2018-11-18 08:34:36,793 INFO L425 ceAbstractionStarter]: For program point L101-4(lines 101 115) no Hoare annotation was computed. [2018-11-18 08:34:36,793 INFO L425 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-11-18 08:34:36,794 INFO L425 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,794 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 69 70) no Hoare annotation was computed. [2018-11-18 08:34:36,794 INFO L425 ceAbstractionStarter]: For program point L69-3(lines 69 70) no Hoare annotation was computed. [2018-11-18 08:34:36,794 INFO L428 ceAbstractionStarter]: At program point L69-4(lines 69 70) the Hoare annotation is: true [2018-11-18 08:34:36,794 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2018-11-18 08:34:36,794 INFO L425 ceAbstractionStarter]: For program point L152-2(lines 140 159) no Hoare annotation was computed. [2018-11-18 08:34:36,794 INFO L425 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,794 INFO L425 ceAbstractionStarter]: For program point L152-3(lines 152 157) no Hoare annotation was computed. [2018-11-18 08:34:36,795 INFO L425 ceAbstractionStarter]: For program point fmod_doubleFINAL(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,795 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,795 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2018-11-18 08:34:36,795 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2018-11-18 08:34:36,795 INFO L425 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2018-11-18 08:34:36,795 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 56) no Hoare annotation was computed. [2018-11-18 08:34:36,795 INFO L425 ceAbstractionStarter]: For program point L55-3(lines 55 56) no Hoare annotation was computed. [2018-11-18 08:34:36,795 INFO L428 ceAbstractionStarter]: At program point L55-4(lines 55 56) the Hoare annotation is: true [2018-11-18 08:34:36,796 INFO L428 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: true [2018-11-18 08:34:36,796 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-18 08:34:36,796 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 58 59) no Hoare annotation was computed. [2018-11-18 08:34:36,796 INFO L425 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2018-11-18 08:34:36,796 INFO L425 ceAbstractionStarter]: For program point L58-3(lines 58 59) no Hoare annotation was computed. [2018-11-18 08:34:36,796 INFO L428 ceAbstractionStarter]: At program point fmod_doubleENTRY(lines 23 161) the Hoare annotation is: true [2018-11-18 08:34:36,796 INFO L428 ceAbstractionStarter]: At program point L58-4(lines 58 59) the Hoare annotation is: true [2018-11-18 08:34:36,796 INFO L425 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2018-11-18 08:34:36,796 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2018-11-18 08:34:36,797 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-11-18 08:34:36,797 INFO L428 ceAbstractionStarter]: At program point L27-3(lines 27 32) the Hoare annotation is: true [2018-11-18 08:34:36,797 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-11-18 08:34:36,797 INFO L425 ceAbstractionStarter]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2018-11-18 08:34:36,797 INFO L428 ceAbstractionStarter]: At program point L127-3(lines 127 131) the Hoare annotation is: true [2018-11-18 08:34:36,797 INFO L425 ceAbstractionStarter]: For program point L127-4(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,797 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2018-11-18 08:34:36,797 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2018-11-18 08:34:36,797 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point fmod_doubleEXIT(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2018-11-18 08:34:36,798 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2018-11-18 08:34:36,799 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 66 67) no Hoare annotation was computed. [2018-11-18 08:34:36,799 INFO L425 ceAbstractionStarter]: For program point L33-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 08:34:36,799 INFO L425 ceAbstractionStarter]: For program point L66-3(lines 66 67) no Hoare annotation was computed. [2018-11-18 08:34:36,799 INFO L425 ceAbstractionStarter]: For program point L33-3(lines 33 38) no Hoare annotation was computed. [2018-11-18 08:34:36,799 INFO L428 ceAbstractionStarter]: At program point L66-4(lines 66 67) the Hoare annotation is: true [2018-11-18 08:34:36,799 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-11-18 08:34:36,799 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2018-11-18 08:34:36,799 INFO L425 ceAbstractionStarter]: For program point L101-2(lines 101 115) no Hoare annotation was computed. [2018-11-18 08:34:36,800 INFO L428 ceAbstractionStarter]: At program point L134-3(lines 134 139) the Hoare annotation is: true [2018-11-18 08:34:36,800 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:34:36,800 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 08:34:36,800 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:34:36,800 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:34:36,800 INFO L425 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2018-11-18 08:34:36,800 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 08:34:36,800 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 175 197) the Hoare annotation is: true [2018-11-18 08:34:36,800 INFO L428 ceAbstractionStarter]: At program point L190-1(line 190) the Hoare annotation is: true [2018-11-18 08:34:36,801 INFO L425 ceAbstractionStarter]: For program point L190-2(line 190) no Hoare annotation was computed. [2018-11-18 08:34:36,801 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2018-11-18 08:34:36,801 INFO L428 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2018-11-18 08:34:36,801 INFO L425 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2018-11-18 08:34:36,801 INFO L425 ceAbstractionStarter]: For program point L190-4(lines 190 193) no Hoare annotation was computed. [2018-11-18 08:34:36,801 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 194) no Hoare annotation was computed. [2018-11-18 08:34:36,801 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 175 197) no Hoare annotation was computed. [2018-11-18 08:34:36,801 INFO L425 ceAbstractionStarter]: For program point L185-2(lines 185 194) no Hoare annotation was computed. [2018-11-18 08:34:36,802 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 175 197) no Hoare annotation was computed. [2018-11-18 08:34:36,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:34:36 BoogieIcfgContainer [2018-11-18 08:34:36,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:34:36,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:34:36,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:34:36,808 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:34:36,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:35" (3/4) ... [2018-11-18 08:34:36,811 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:34:36,815 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 08:34:36,816 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:34:36,816 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_double [2018-11-18 08:34:36,816 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-11-18 08:34:36,816 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:34:36,821 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 08:34:36,821 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-18 08:34:36,822 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 08:34:36,822 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 08:34:36,873 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_65958c1f-a4e1-4ce3-bc7f-a149d1aacdeb/bin-2019/uautomizer/witness.graphml [2018-11-18 08:34:36,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:34:36,874 INFO L168 Benchmark]: Toolchain (without parser) took 4703.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 954.6 MB in the beginning and 1.0 GB in the end (delta: -61.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:36,875 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:36,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.60 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 937.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:36,876 INFO L168 Benchmark]: Boogie Preprocessor took 81.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:36,876 INFO L168 Benchmark]: RCFGBuilder took 3231.63 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: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:36,876 INFO L168 Benchmark]: TraceAbstraction took 1053.86 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:36,876 INFO L168 Benchmark]: Witness Printer took 66.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:36,877 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.60 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 937.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3231.63 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: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1053.86 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Witness Printer took 66.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 191]: 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: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 83 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 17 PreInvPairs, 17 NumberOfFragments, 17 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...