./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a_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_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/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 66cb741c1a4973eb036ada076f70b691f8ab4b25 ............................................................................................................................................................................................................................................................................................................................ 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_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/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 66cb741c1a4973eb036ada076f70b691f8ab4b25 ........................................................................................................................................................................................................................................................................................................................................................................ 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 15:14:13,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:14:13,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:14:13,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:14:13,695 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:14:13,695 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:14:13,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:14:13,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:14:13,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:14:13,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:14:13,700 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:14:13,700 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:14:13,701 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:14:13,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:14:13,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:14:13,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:14:13,704 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:14:13,705 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:14:13,706 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:14:13,707 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:14:13,708 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:14:13,709 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:14:13,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:14:13,711 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:14:13,711 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:14:13,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:14:13,712 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:14:13,713 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:14:13,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:14:13,714 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:14:13,714 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:14:13,715 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:14:13,715 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:14:13,715 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:14:13,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:14:13,716 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:14:13,717 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 15:14:13,727 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:14:13,727 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:14:13,727 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:14:13,728 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:14:13,728 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:14:13,728 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:14:13,728 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:14:13,729 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:14:13,729 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:14:13,729 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:14:13,729 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:14:13,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:14:13,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:14:13,729 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:14:13,730 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:14:13,730 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:14:13,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:14:13,730 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:14:13,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:14:13,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:14:13,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:14:13,731 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:14:13,731 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:14:13,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:14:13,731 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:14:13,731 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:14:13,731 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:14:13,731 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:14:13,732 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:14:13,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:14:13,732 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_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/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 -> 66cb741c1a4973eb036ada076f70b691f8ab4b25 [2018-11-18 15:14:13,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:14:13,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:14:13,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:14:13,765 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:14:13,765 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:14:13,766 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a_true-unreach-call.c [2018-11-18 15:14:13,803 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data/56ec267a7/9394feb943ce462d9918853784b150d0/FLAG5e58794e7 [2018-11-18 15:14:14,120 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:14:14,121 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/sv-benchmarks/c/float-newlib/double_req_bl_1122a_true-unreach-call.c [2018-11-18 15:14:14,126 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data/56ec267a7/9394feb943ce462d9918853784b150d0/FLAG5e58794e7 [2018-11-18 15:14:14,134 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data/56ec267a7/9394feb943ce462d9918853784b150d0 [2018-11-18 15:14:14,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:14:14,137 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:14:14,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:14:14,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:14:14,139 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:14:14,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65507dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14, skipping insertion in model container [2018-11-18 15:14:14,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:14:14,164 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:14:14,307 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:14:14,312 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:14:14,339 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:14:14,396 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:14:14,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14 WrapperNode [2018-11-18 15:14:14,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:14:14,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:14:14,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:14:14,397 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:14:14,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (1/1) ... [2018-11-18 15:14:14,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:14:14,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:14:14,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:14:14,439 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:14:14,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/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 15:14:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:14:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:14:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 15:14:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-11-18 15:14:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:14:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:14:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 15:14:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 15:14:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-11-18 15:14:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:14:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 15:14:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:14:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:14:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 15:14:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:14:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:14:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:14:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 15:14:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:14:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 15:14:14,813 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:14:14,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:14:14 BoogieIcfgContainer [2018-11-18 15:14:14,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:14:14,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:14:14,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:14:14,817 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:14:14,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:14:14" (1/3) ... [2018-11-18 15:14:14,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ab2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:14:14, skipping insertion in model container [2018-11-18 15:14:14,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:14" (2/3) ... [2018-11-18 15:14:14,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ab2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:14:14, skipping insertion in model container [2018-11-18 15:14:14,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:14:14" (3/3) ... [2018-11-18 15:14:14,819 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a_true-unreach-call.c [2018-11-18 15:14:14,825 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:14:14,832 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:14:14,845 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:14:14,871 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:14:14,871 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:14:14,871 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:14:14,871 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:14:14,872 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:14:14,872 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:14:14,872 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:14:14,872 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:14:14,872 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:14:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2018-11-18 15:14:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 15:14:14,887 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:14:14,888 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, 1] [2018-11-18 15:14:14,890 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:14:14,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:14:14,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1881137816, now seen corresponding path program 1 times [2018-11-18 15:14:14,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:14:14,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:14:14,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:14:14,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:14:14,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:14:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:14:14,997 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 15:14:14,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:14:14,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:14:15,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:14:15,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:14:15,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:14:15,010 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2018-11-18 15:14:15,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:14:15,027 INFO L93 Difference]: Finished difference Result 140 states and 222 transitions. [2018-11-18 15:14:15,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:14:15,028 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 15:14:15,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:14:15,036 INFO L225 Difference]: With dead ends: 140 [2018-11-18 15:14:15,036 INFO L226 Difference]: Without dead ends: 70 [2018-11-18 15:14:15,039 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 15:14:15,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-18 15:14:15,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-11-18 15:14:15,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-11-18 15:14:15,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2018-11-18 15:14:15,066 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 22 [2018-11-18 15:14:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:14:15,066 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2018-11-18 15:14:15,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:14:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2018-11-18 15:14:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 15:14:15,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:14:15,067 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, 1, 1, 1] [2018-11-18 15:14:15,067 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:14:15,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:14:15,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1206285604, now seen corresponding path program 1 times [2018-11-18 15:14:15,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:14:15,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:14:15,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:14:15,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:14:15,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:14:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:14:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:14:15,162 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 15:14:15,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:14:15 BoogieIcfgContainer [2018-11-18 15:14:15,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:14:15,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:14:15,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:14:15,187 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:14:15,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:14:14" (3/4) ... [2018-11-18 15:14:15,190 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:14:15,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:14:15,191 INFO L168 Benchmark]: Toolchain (without parser) took 1054.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -56.4 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:15,192 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:14:15,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:15,193 INFO L168 Benchmark]: Boogie Preprocessor took 41.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:15,193 INFO L168 Benchmark]: RCFGBuilder took 375.64 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:15,194 INFO L168 Benchmark]: TraceAbstraction took 371.84 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:15,194 INFO L168 Benchmark]: Witness Printer took 3.71 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. [2018-11-18 15:14:15,196 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 375.64 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 371.84 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.71 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: 176]: 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 someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, 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)=10737418255, \old(Zero_fmod)=10737418246, \old(Zero_fmod)=10737418251, one_fmod=1, Zero_fmod={10737418250:0}] [L170] double x = 1.0 / 0.0; [L171] double y = __VERIFIER_nondet_double(); [L172] CALL, EXPR fmod_double(x, y) VAL [\old(x)=10737418253, \old(y)=10737418252, one_fmod=1, Zero_fmod={10737418250:0}] [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [\old(x)=10737418253, \old(y)=10737418252, one_fmod=1, x=10737418253, y=10737418252, Zero_fmod={10737418250:0}] [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)=10737418253, \old(y)=10737418252, hx=2147483647, lx=10737418249, one_fmod=1, x=10737418253, y=10737418252, Zero_fmod={10737418250:0}] [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)=10737418253, \old(y)=10737418252, hx=2147483647, hy=-2147483648, lx=10737418249, ly=10737418254, one_fmod=1, x=10737418253, y=10737418252, Zero_fmod={10737418250:0}] [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [\old(x)=10737418253, \old(y)=10737418252, lx=10737418249, ly=10737418254, one_fmod=1, sx=-1, x=10737418253, y=10737418252, Zero_fmod={10737418250:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] RET return (x * y) / (x * y); VAL [\old(x)=10737418253, \old(y)=10737418252, hx=2146435072, lx=10737418249, ly=10737418254, one_fmod=1, sx=-1, x=10737418253, y=10737418252, Zero_fmod={10737418250:0}] [L172] EXPR fmod_double(x, y) VAL [fmod_double(x, y)=10737418243, one_fmod=1, x=10737418253, y=10737418252, Zero_fmod={10737418250:0}] [L172] double res = fmod_double(x, y); [L175] CALL, EXPR isnan_double(res) VAL [\old(x)=10737418243, one_fmod=1, Zero_fmod={10737418250:0}] [L16] RET return x != x; VAL [\old(x)=10737418243, \result=0, one_fmod=1, x=10737418243, Zero_fmod={10737418250:0}] [L175] EXPR isnan_double(res) VAL [isnan_double(res)=0, one_fmod=1, res=10737418243, x=10737418253, y=10737418252, Zero_fmod={10737418250:0}] [L175] COND TRUE !isnan_double(res) [L176] __VERIFIER_error() VAL [one_fmod=1, res=10737418243, x=10737418253, y=10737418252, Zero_fmod={10737418250:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 74 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 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=74occurred 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, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 15:14:16,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:14:16,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:14:16,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:14:16,616 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:14:16,617 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:14:16,618 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:14:16,619 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:14:16,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:14:16,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:14:16,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:14:16,621 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:14:16,622 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:14:16,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:14:16,623 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:14:16,624 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:14:16,624 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:14:16,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:14:16,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:14:16,628 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:14:16,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:14:16,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:14:16,631 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:14:16,631 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:14:16,631 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:14:16,632 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:14:16,633 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:14:16,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:14:16,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:14:16,634 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:14:16,634 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:14:16,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:14:16,635 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:14:16,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:14:16,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:14:16,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:14:16,637 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 15:14:16,646 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:14:16,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:14:16,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:14:16,648 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:14:16,648 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:14:16,648 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:14:16,648 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:14:16,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:14:16,649 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:14:16,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:14:16,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:14:16,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:14:16,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:14:16,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:14:16,649 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:14:16,649 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:14:16,650 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:14:16,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:14:16,650 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:14:16,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:14:16,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:14:16,650 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:14:16,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:14:16,651 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:14:16,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:14:16,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:14:16,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:14:16,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:14:16,651 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 15:14:16,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:14:16,651 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:14:16,651 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:14:16,652 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_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/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 -> 66cb741c1a4973eb036ada076f70b691f8ab4b25 [2018-11-18 15:14:16,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:14:16,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:14:16,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:14:16,697 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:14:16,698 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:14:16,698 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a_true-unreach-call.c [2018-11-18 15:14:16,742 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data/179aec0da/9879f5e1e23045d4b32cfbe17b28b670/FLAG1adcbefb3 [2018-11-18 15:14:17,154 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:14:17,155 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/sv-benchmarks/c/float-newlib/double_req_bl_1122a_true-unreach-call.c [2018-11-18 15:14:17,159 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data/179aec0da/9879f5e1e23045d4b32cfbe17b28b670/FLAG1adcbefb3 [2018-11-18 15:14:17,167 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/data/179aec0da/9879f5e1e23045d4b32cfbe17b28b670 [2018-11-18 15:14:17,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:14:17,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:14:17,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:14:17,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:14:17,175 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:14:17,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27184d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17, skipping insertion in model container [2018-11-18 15:14:17,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:14:17,208 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:14:17,371 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:14:17,377 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:14:17,413 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:14:17,432 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:14:17,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17 WrapperNode [2018-11-18 15:14:17,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:14:17,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:14:17,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:14:17,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:14:17,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (1/1) ... [2018-11-18 15:14:17,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:14:17,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:14:17,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:14:17,507 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:14:17,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/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 15:14:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:14:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:14:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 15:14:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-11-18 15:14:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:14:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:14:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 15:14:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 15:14:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-11-18 15:14:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:14:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 15:14:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 15:14:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:14:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 15:14:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 15:14:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:14:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:14:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 15:14:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:14:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 15:14:17,664 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:14:18,058 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:14:18,104 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:14:20,594 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:14:20,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:14:20 BoogieIcfgContainer [2018-11-18 15:14:20,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:14:20,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:14:20,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:14:20,598 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:14:20,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:14:17" (1/3) ... [2018-11-18 15:14:20,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350ee5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:14:20, skipping insertion in model container [2018-11-18 15:14:20,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:14:17" (2/3) ... [2018-11-18 15:14:20,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350ee5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:14:20, skipping insertion in model container [2018-11-18 15:14:20,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:14:20" (3/3) ... [2018-11-18 15:14:20,601 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a_true-unreach-call.c [2018-11-18 15:14:20,610 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:14:20,617 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:14:20,630 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:14:20,650 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:14:20,651 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:14:20,651 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:14:20,651 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:14:20,651 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:14:20,651 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:14:20,652 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:14:20,652 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:14:20,652 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:14:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2018-11-18 15:14:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:14:20,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:14:20,668 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 15:14:20,670 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:14:20,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:14:20,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1124095359, now seen corresponding path program 1 times [2018-11-18 15:14:20,676 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:14:20,676 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/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 15:14:20,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:14:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:14:21,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:14:21,551 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 15:14:21,552 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:14:21,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:14:21,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:14:21,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:14:21,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:14:21,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:14:21,585 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2018-11-18 15:14:21,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:14:21,600 INFO L93 Difference]: Finished difference Result 73 states and 114 transitions. [2018-11-18 15:14:21,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:14:21,601 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 15:14:21,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:14:21,606 INFO L225 Difference]: With dead ends: 73 [2018-11-18 15:14:21,606 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:14:21,609 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 15:14:21,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:14:21,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:14:21,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:14:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:14:21,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-11-18 15:14:21,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:14:21,629 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:14:21,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:14:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:14:21,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:14:21,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:14:21,689 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 16) the Hoare annotation is: true [2018-11-18 15:14:21,689 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 16) no Hoare annotation was computed. [2018-11-18 15:14:21,689 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 16) no Hoare annotation was computed. [2018-11-18 15:14:21,689 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:14:21,689 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:14:21,689 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:14:21,689 INFO L425 ceAbstractionStarter]: For program point L101-4(lines 101 115) no Hoare annotation was computed. [2018-11-18 15:14:21,689 INFO L425 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-11-18 15:14:21,689 INFO L425 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,689 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 69 70) no Hoare annotation was computed. [2018-11-18 15:14:21,690 INFO L425 ceAbstractionStarter]: For program point L69-3(lines 69 70) no Hoare annotation was computed. [2018-11-18 15:14:21,690 INFO L428 ceAbstractionStarter]: At program point L69-4(lines 69 70) the Hoare annotation is: true [2018-11-18 15:14:21,690 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2018-11-18 15:14:21,690 INFO L425 ceAbstractionStarter]: For program point L152-2(lines 140 159) no Hoare annotation was computed. [2018-11-18 15:14:21,690 INFO L425 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,690 INFO L425 ceAbstractionStarter]: For program point L152-3(lines 152 157) no Hoare annotation was computed. [2018-11-18 15:14:21,690 INFO L425 ceAbstractionStarter]: For program point fmod_doubleFINAL(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,690 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,690 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2018-11-18 15:14:21,691 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2018-11-18 15:14:21,691 INFO L425 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2018-11-18 15:14:21,691 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 56) no Hoare annotation was computed. [2018-11-18 15:14:21,691 INFO L425 ceAbstractionStarter]: For program point L55-3(lines 55 56) no Hoare annotation was computed. [2018-11-18 15:14:21,691 INFO L428 ceAbstractionStarter]: At program point L55-4(lines 55 56) the Hoare annotation is: true [2018-11-18 15:14:21,691 INFO L428 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: true [2018-11-18 15:14:21,691 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-18 15:14:21,691 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 58 59) no Hoare annotation was computed. [2018-11-18 15:14:21,691 INFO L425 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2018-11-18 15:14:21,691 INFO L425 ceAbstractionStarter]: For program point L58-3(lines 58 59) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L428 ceAbstractionStarter]: At program point fmod_doubleENTRY(lines 23 161) the Hoare annotation is: true [2018-11-18 15:14:21,692 INFO L428 ceAbstractionStarter]: At program point L58-4(lines 58 59) the Hoare annotation is: true [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L428 ceAbstractionStarter]: At program point L27-3(lines 27 32) the Hoare annotation is: true [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L428 ceAbstractionStarter]: At program point L127-3(lines 127 131) the Hoare annotation is: true [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L127-4(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2018-11-18 15:14:21,692 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point fmod_doubleEXIT(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 66 67) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L33-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L66-3(lines 66 67) no Hoare annotation was computed. [2018-11-18 15:14:21,693 INFO L425 ceAbstractionStarter]: For program point L33-3(lines 33 38) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L428 ceAbstractionStarter]: At program point L66-4(lines 66 67) the Hoare annotation is: true [2018-11-18 15:14:21,694 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L425 ceAbstractionStarter]: For program point L101-2(lines 101 115) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L428 ceAbstractionStarter]: At program point L134-3(lines 134 139) the Hoare annotation is: true [2018-11-18 15:14:21,694 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 15:14:21,694 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:14:21,694 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L425 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L428 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: true [2018-11-18 15:14:21,694 INFO L425 ceAbstractionStarter]: For program point L175-1(lines 175 178) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 163 181) the Hoare annotation is: true [2018-11-18 15:14:21,694 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 163 181) no Hoare annotation was computed. [2018-11-18 15:14:21,694 INFO L428 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2018-11-18 15:14:21,695 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2018-11-18 15:14:21,695 INFO L425 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-18 15:14:21,695 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 163 181) no Hoare annotation was computed. [2018-11-18 15:14:21,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:14:21 BoogieIcfgContainer [2018-11-18 15:14:21,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:14:21,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:14:21,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:14:21,699 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:14:21,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:14:20" (3/4) ... [2018-11-18 15:14:21,702 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:14:21,706 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 15:14:21,706 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:14:21,707 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_double [2018-11-18 15:14:21,707 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:14:21,711 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 15:14:21,711 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-18 15:14:21,712 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:14:21,712 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:14:21,757 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f0b0516e-5b8f-42ba-9ad0-4ecb9a2bc6a9/bin-2019/uautomizer/witness.graphml [2018-11-18 15:14:21,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:14:21,758 INFO L168 Benchmark]: Toolchain (without parser) took 4587.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -103.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:21,760 INFO L168 Benchmark]: CDTParser took 0.18 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 15:14:21,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.74 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:21,760 INFO L168 Benchmark]: Boogie Preprocessor took 73.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:21,761 INFO L168 Benchmark]: RCFGBuilder took 3087.62 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:21,761 INFO L168 Benchmark]: TraceAbstraction took 1103.95 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:21,761 INFO L168 Benchmark]: Witness Printer took 58.35 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:14:21,763 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 260.74 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3087.62 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1103.95 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Witness Printer took 58.35 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: 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: 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 5 procedures, 73 locations, 1 error locations. SAFE Result, 1.0s 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, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred 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, 16 LocationsWithAnnotation, 16 PreInvPairs, 16 NumberOfFragments, 16 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 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...