./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_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_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/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 c0077a740f714225dc922bb100a19cc0ae47da01 ............................................................................................................................................................................................................................................................................................................ 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_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/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 c0077a740f714225dc922bb100a19cc0ae47da01 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:18:19,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:18:19,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:18:19,347 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:18:19,347 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:18:19,348 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:18:19,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:18:19,350 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:18:19,351 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:18:19,352 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:18:19,353 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:18:19,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:18:19,353 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:18:19,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:18:19,355 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:18:19,356 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:18:19,357 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:18:19,358 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:18:19,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:18:19,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:18:19,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:18:19,362 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:18:19,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:18:19,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:18:19,364 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:18:19,365 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:18:19,366 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:18:19,366 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:18:19,367 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:18:19,368 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:18:19,368 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:18:19,369 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:18:19,369 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:18:19,369 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:18:19,370 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:18:19,370 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:18:19,370 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:18:19,380 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:18:19,380 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:18:19,381 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:18:19,381 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:18:19,381 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:18:19,381 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:18:19,382 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:18:19,382 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:18:19,382 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:18:19,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:18:19,382 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:18:19,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:18:19,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:18:19,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:18:19,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:18:19,383 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:18:19,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:18:19,383 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:18:19,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:18:19,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:18:19,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:18:19,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:18:19,384 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:18:19,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:18:19,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:18:19,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:18:19,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:18:19,384 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:18:19,384 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:18:19,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:18:19,384 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_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/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 -> c0077a740f714225dc922bb100a19cc0ae47da01 [2018-11-18 13:18:19,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:18:19,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:18:19,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:18:19,418 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:18:19,419 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:18:19,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-11-18 13:18:19,455 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data/7c794ebba/8d791365d9344ad896c50437a3953910/FLAG4ab31da2e [2018-11-18 13:18:19,764 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:18:19,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-11-18 13:18:19,771 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data/7c794ebba/8d791365d9344ad896c50437a3953910/FLAG4ab31da2e [2018-11-18 13:18:19,781 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data/7c794ebba/8d791365d9344ad896c50437a3953910 [2018-11-18 13:18:19,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:18:19,784 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:18:19,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:18:19,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:18:19,787 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:18:19,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:19,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252e0cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19, skipping insertion in model container [2018-11-18 13:18:19,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:19,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:18:19,811 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:18:19,932 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:18:19,935 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:18:19,955 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:18:19,969 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:18:19,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19 WrapperNode [2018-11-18 13:18:19,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:18:19,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:18:19,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:18:19,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:18:19,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:19,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:19,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:19,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:20,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:20,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:20,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (1/1) ... [2018-11-18 13:18:20,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:18:20,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:18:20,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:18:20,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:18:20,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/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 13:18:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:18:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:18:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 13:18:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-11-18 13:18:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 13:18:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:18:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:18:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 13:18:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-11-18 13:18:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:18:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 13:18:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:18:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:18:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:18:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 13:18:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 13:18:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:18:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:18:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:18:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 13:18:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:18:20,294 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:18:20,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:20 BoogieIcfgContainer [2018-11-18 13:18:20,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:18:20,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:18:20,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:18:20,297 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:18:20,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:18:19" (1/3) ... [2018-11-18 13:18:20,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b14975e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:18:20, skipping insertion in model container [2018-11-18 13:18:20,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:19" (2/3) ... [2018-11-18 13:18:20,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b14975e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:18:20, skipping insertion in model container [2018-11-18 13:18:20,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:20" (3/3) ... [2018-11-18 13:18:20,299 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c_true-unreach-call.c [2018-11-18 13:18:20,305 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:18:20,310 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:18:20,322 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:18:20,345 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:18:20,346 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:18:20,346 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:18:20,346 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:18:20,346 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:18:20,346 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:18:20,346 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:18:20,346 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:18:20,346 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:18:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-18 13:18:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:18:20,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:20,363 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 13:18:20,364 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:20,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:20,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1577921155, now seen corresponding path program 1 times [2018-11-18 13:18:20,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:18:20,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:18:20,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:20,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:20,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:20,456 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 13:18:20,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:20,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:18:20,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:18:20,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:18:20,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:18:20,469 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-18 13:18:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:20,485 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-11-18 13:18:20,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:18:20,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 13:18:20,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:20,491 INFO L225 Difference]: With dead ends: 74 [2018-11-18 13:18:20,491 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 13:18:20,493 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 13:18:20,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 13:18:20,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 13:18:20,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 13:18:20,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-18 13:18:20,523 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-11-18 13:18:20,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:20,524 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-18 13:18:20,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:18:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-18 13:18:20,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:18:20,524 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:20,525 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] [2018-11-18 13:18:20,525 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:20,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:20,525 INFO L82 PathProgramCache]: Analyzing trace with hash -739551741, now seen corresponding path program 1 times [2018-11-18 13:18:20,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:18:20,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:18:20,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:20,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:20,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:18:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:18:20,588 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:18:20,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:18:20 BoogieIcfgContainer [2018-11-18 13:18:20,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:18:20,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:18:20,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:18:20,606 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:18:20,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:20" (3/4) ... [2018-11-18 13:18:20,609 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:18:20,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:18:20,610 INFO L168 Benchmark]: Toolchain (without parser) took 825.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:20,611 INFO L168 Benchmark]: CDTParser took 0.12 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 13:18:20,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.35 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:20,612 INFO L168 Benchmark]: Boogie Preprocessor took 70.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:20,612 INFO L168 Benchmark]: RCFGBuilder took 254.07 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:20,613 INFO L168 Benchmark]: TraceAbstraction took 311.42 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:20,613 INFO L168 Benchmark]: Witness Printer took 2.92 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 13:18:20,615 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.35 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 254.07 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 311.42 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 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: 86]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 81, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L81] double x = -0.0; [L82] CALL, EXPR trunc_double(x) VAL [\old(x)=9] [L18] int signbit; [L19] int msw; [L20] unsigned int lsw; [L21] int exponent_less_1023; VAL [\old(x)=9, x=9] [L23] FCALL ieee_double_shape_type ew_u; [L24] FCALL ew_u.value = (x) [L25] EXPR, FCALL ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR, FCALL ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L27] COND FALSE !(0) VAL [\old(x)=9, lsw=15, msw=2, x=9] [L28] signbit = msw & 0x80000000 [L29] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=9, exponent_less_1023=1024, lsw=15, msw=2, signbit=-1, x=9] [L30] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=9, exponent_less_1023=1024, lsw=15, msw=2, signbit=-1, x=9] [L47] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=9, exponent_less_1023=1024, lsw=15, msw=2, signbit=-1, x=9] [L48] COND TRUE exponent_less_1023 == 1024 [L49] RET return x + x; VAL [\old(x)=9, exponent_less_1023=1024, lsw=15, msw=2, signbit=-1, x=9] [L82] EXPR trunc_double(x) VAL [trunc_double(x)=13, x=9] [L82] double res = trunc_double(x); [L85] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=13, res == -0.0 && __signbit_double(res) == 1=0, x=9] [L85] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L86] __VERIFIER_error() VAL [res=13, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 44 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 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=41occurred 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, 39 NumberOfCodeBlocks, 39 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 13:18:22,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:18:22,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:18:22,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:18:22,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:18:22,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:18:22,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:18:22,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:18:22,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:18:22,045 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:18:22,045 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:18:22,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:18:22,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:18:22,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:18:22,048 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:18:22,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:18:22,049 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:18:22,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:18:22,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:18:22,052 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:18:22,053 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:18:22,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:18:22,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:18:22,056 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:18:22,056 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:18:22,056 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:18:22,057 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:18:22,058 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:18:22,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:18:22,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:18:22,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:18:22,060 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:18:22,060 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:18:22,060 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:18:22,061 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:18:22,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:18:22,061 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 13:18:22,071 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:18:22,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:18:22,072 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:18:22,072 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:18:22,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:18:22,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:18:22,073 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:18:22,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:18:22,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:18:22,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:18:22,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:18:22,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:18:22,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:18:22,074 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:18:22,074 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:18:22,074 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:18:22,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:18:22,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:18:22,075 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:18:22,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:18:22,075 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:18:22,075 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:18:22,075 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:18:22,076 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:18:22,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:18:22,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:18:22,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:18:22,076 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:18:22,076 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 13:18:22,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:18:22,077 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:18:22,077 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:18:22,077 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_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/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 -> c0077a740f714225dc922bb100a19cc0ae47da01 [2018-11-18 13:18:22,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:18:22,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:18:22,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:18:22,116 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:18:22,116 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:18:22,116 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-11-18 13:18:22,151 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data/5aa30b819/3181d82726a54555943d337701243fc2/FLAGc55ff13aa [2018-11-18 13:18:22,457 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:18:22,457 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/sv-benchmarks/c/float-newlib/double_req_bl_1072c_true-unreach-call.c [2018-11-18 13:18:22,463 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data/5aa30b819/3181d82726a54555943d337701243fc2/FLAGc55ff13aa [2018-11-18 13:18:22,473 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/data/5aa30b819/3181d82726a54555943d337701243fc2 [2018-11-18 13:18:22,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:18:22,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:18:22,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:18:22,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:18:22,479 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:18:22,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b68c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22, skipping insertion in model container [2018-11-18 13:18:22,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:18:22,504 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:18:22,641 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:18:22,645 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:18:22,668 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:18:22,688 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:18:22,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22 WrapperNode [2018-11-18 13:18:22,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:18:22,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:18:22,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:18:22,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:18:22,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (1/1) ... [2018-11-18 13:18:22,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:18:22,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:18:22,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:18:22,727 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:18:22,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/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 13:18:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:18:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:18:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 13:18:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-11-18 13:18:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 13:18:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:18:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:18:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 13:18:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-11-18 13:18:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:18:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 13:18:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 13:18:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 13:18:22,912 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:18:23,061 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:18:23,093 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:18:23,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:23 BoogieIcfgContainer [2018-11-18 13:18:23,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:18:23,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:18:23,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:18:23,096 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:18:23,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:18:22" (1/3) ... [2018-11-18 13:18:23,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b7dfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:18:23, skipping insertion in model container [2018-11-18 13:18:23,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:22" (2/3) ... [2018-11-18 13:18:23,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b7dfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:18:23, skipping insertion in model container [2018-11-18 13:18:23,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:23" (3/3) ... [2018-11-18 13:18:23,098 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c_true-unreach-call.c [2018-11-18 13:18:23,103 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:18:23,108 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:18:23,116 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:18:23,135 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:18:23,135 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:18:23,135 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:18:23,136 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:18:23,136 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:18:23,136 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:18:23,136 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:18:23,136 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:18:23,136 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:18:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-18 13:18:23,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:18:23,150 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:23,150 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 13:18:23,152 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:23,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:23,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1577921155, now seen corresponding path program 1 times [2018-11-18 13:18:23,158 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:18:23,158 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/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 13:18:23,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:23,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:18:23,253 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 13:18:23,253 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:18:23,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:23,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:18:23,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:18:23,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:18:23,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:18:23,273 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-18 13:18:23,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:23,289 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-11-18 13:18:23,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:18:23,290 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 13:18:23,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:23,296 INFO L225 Difference]: With dead ends: 74 [2018-11-18 13:18:23,297 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 13:18:23,299 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 13:18:23,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 13:18:23,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 13:18:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 13:18:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-18 13:18:23,325 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2018-11-18 13:18:23,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:23,325 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-18 13:18:23,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:18:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-18 13:18:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:18:23,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:23,326 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] [2018-11-18 13:18:23,327 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:23,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:23,327 INFO L82 PathProgramCache]: Analyzing trace with hash -739551741, now seen corresponding path program 1 times [2018-11-18 13:18:23,327 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:18:23,327 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 13:18:23,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:23,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:18:23,961 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 13:18:23,961 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:18:23,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:23,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:18:23,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:18:23,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:18:23,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:18:23,970 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 7 states. [2018-11-18 13:18:25,278 WARN L180 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 13:18:25,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:25,779 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2018-11-18 13:18:25,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:18:25,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-18 13:18:25,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:25,782 INFO L225 Difference]: With dead ends: 47 [2018-11-18 13:18:25,782 INFO L226 Difference]: Without dead ends: 44 [2018-11-18 13:18:25,782 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:18:25,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-18 13:18:25,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2018-11-18 13:18:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 13:18:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-11-18 13:18:25,787 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 20 [2018-11-18 13:18:25,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:25,787 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-11-18 13:18:25,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:18:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-11-18 13:18:25,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:18:25,788 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:25,788 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 13:18:25,789 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:25,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:25,789 INFO L82 PathProgramCache]: Analyzing trace with hash -706995737, now seen corresponding path program 1 times [2018-11-18 13:18:25,789 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:18:25,789 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 13:18:25,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:25,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:18:25,887 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 13:18:25,887 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:18:25,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:25,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:18:25,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:18:25,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:18:25,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:18:25,896 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 7 states. [2018-11-18 13:18:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:26,433 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2018-11-18 13:18:26,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:18:26,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-18 13:18:26,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:26,434 INFO L225 Difference]: With dead ends: 49 [2018-11-18 13:18:26,435 INFO L226 Difference]: Without dead ends: 46 [2018-11-18 13:18:26,435 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:18:26,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-18 13:18:26,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2018-11-18 13:18:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-18 13:18:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-11-18 13:18:26,438 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 21 [2018-11-18 13:18:26,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:26,439 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-11-18 13:18:26,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:18:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-11-18 13:18:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:18:26,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:26,439 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 13:18:26,439 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:26,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:26,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1303734687, now seen corresponding path program 1 times [2018-11-18 13:18:26,440 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:18:26,440 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 13:18:26,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:26,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:18:26,584 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:26,589 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:26,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 13:18:26,666 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:26,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 13:18:26,670 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:26,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 13:18:26,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 13:18:26,694 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:26,697 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:26,700 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:26,708 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 13:18:26,708 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 13:18:26,792 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 13:18:26,792 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:18:26,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:26,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:18:26,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:18:26,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:18:26,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:18:26,806 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2018-11-18 13:18:27,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:27,492 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-11-18 13:18:27,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:18:27,494 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 13:18:27,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:27,495 INFO L225 Difference]: With dead ends: 58 [2018-11-18 13:18:27,495 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 13:18:27,495 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 13:18:27,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 13:18:27,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 13:18:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 13:18:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-11-18 13:18:27,499 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 22 [2018-11-18 13:18:27,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:27,500 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-11-18 13:18:27,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:18:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-11-18 13:18:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:18:27,500 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:27,501 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 13:18:27,501 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:27,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:27,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1681337488, now seen corresponding path program 1 times [2018-11-18 13:18:27,501 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:18:27,501 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 13:18:27,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:27,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:18:27,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-11-18 13:18:27,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-11-18 13:18:27,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-18 13:18:27,573 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:27,574 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:27,576 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:27,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 13:18:27,579 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2018-11-18 13:18:27,623 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 13:18:27,623 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:18:27,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:27,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:18:27,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:18:27,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:18:27,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:18:27,634 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-11-18 13:18:27,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:27,732 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-18 13:18:27,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:18:27,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 13:18:27,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:27,733 INFO L225 Difference]: With dead ends: 34 [2018-11-18 13:18:27,733 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 13:18:27,733 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:18:27,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 13:18:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 13:18:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 13:18:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-18 13:18:27,737 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 22 [2018-11-18 13:18:27,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:27,738 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-18 13:18:27,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:18:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-18 13:18:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 13:18:27,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:27,739 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, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:27,739 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:27,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:27,739 INFO L82 PathProgramCache]: Analyzing trace with hash -2024998657, now seen corresponding path program 1 times [2018-11-18 13:18:27,740 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:18:27,740 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 13:18:27,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:27,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:18:27,875 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:27,875 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:27,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 13:18:27,909 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:27,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 13:18:27,917 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:27,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 13:18:27,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 13:18:27,939 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:27,941 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:27,943 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:27,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 13:18:27,951 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 13:18:28,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-11-18 13:18:28,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-18 13:18:28,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-18 13:18:28,019 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:28,021 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:28,024 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:28,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 13:18:28,031 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2018-11-18 13:18:28,191 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:28,191 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:28,192 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:28,192 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:28,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2018-11-18 13:18:28,271 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:18:28,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 48 [2018-11-18 13:18:28,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:28,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-18 13:18:28,299 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:28,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2018-11-18 13:18:28,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-18 13:18:28,320 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 13:18:28,321 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:28,333 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:18:28,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 13:18:28,346 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:67, output treesize:24 [2018-11-18 13:18:28,580 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 13:18:28,581 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:18:28,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:28,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-18 13:18:28,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 13:18:28,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 13:18:28,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-18 13:18:28,589 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 15 states. [2018-11-18 13:18:29,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:29,527 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-18 13:18:29,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 13:18:29,528 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-11-18 13:18:29,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:29,528 INFO L225 Difference]: With dead ends: 31 [2018-11-18 13:18:29,528 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:18:29,529 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-11-18 13:18:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:18:29,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:18:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:18:29,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:18:29,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-18 13:18:29,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:29,529 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:18:29,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 13:18:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:18:29,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:18:29,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:18:29,759 INFO L425 ceAbstractionStarter]: For program point isnan_doubleENTRY(line 15) no Hoare annotation was computed. [2018-11-18 13:18:29,759 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 15) no Hoare annotation was computed. [2018-11-18 13:18:29,759 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 15) no Hoare annotation was computed. [2018-11-18 13:18:29,759 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:18:29,759 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L421 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point L65-4(lines 65 69) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 62 72) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 62 72) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L428 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 62 72) the Hoare annotation is: true [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 13:18:29,760 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 74 91) the Hoare annotation is: true [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 74 91) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-18 13:18:29,760 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L421 ceAbstractionStarter]: At program point L85-1(line 85) the Hoare annotation is: (and |main_#t~short14| (exists ((v_prenex_8 (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_8)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) main_~res~0) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))))) (= main_~x~0 (fp.neg (_ +zero 11 53)))) [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L421 ceAbstractionStarter]: At program point L82(line 82) the Hoare annotation is: (= main_~x~0 (fp.neg (_ +zero 11 53))) [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 88) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 74 91) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 86) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 46) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L421 ceAbstractionStarter]: At program point L52-3(lines 52 57) the Hoare annotation is: (and (exists ((v_prenex_7 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|))) (exists ((v_prenex_7 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point L48(lines 48 50) no Hoare annotation was computed. [2018-11-18 13:18:29,761 INFO L425 ceAbstractionStarter]: For program point L52-4(lines 30 58) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L421 ceAbstractionStarter]: At program point L32-3(lines 32 37) the Hoare annotation is: (and (exists ((v_prenex_7 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))))) (exists ((v_prenex_8 (_ BitVec 64))) (and (= trunc_double_~signbit~0 (bvand (_ bv2147483648 32) ((_ extract 63 32) v_prenex_8))) (= (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8)) |trunc_double_#in~x|))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 13:18:29,762 INFO L428 ceAbstractionStarter]: At program point trunc_doubleENTRY(lines 17 60) the Hoare annotation is: true [2018-11-18 13:18:29,762 INFO L425 ceAbstractionStarter]: For program point trunc_doubleEXIT(lines 17 60) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L425 ceAbstractionStarter]: For program point trunc_doubleFINAL(lines 17 60) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 58) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L421 ceAbstractionStarter]: At program point L22-3(lines 22 27) the Hoare annotation is: (= trunc_double_~x |trunc_double_#in~x|) [2018-11-18 13:18:29,762 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 27) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 45) no Hoare annotation was computed. [2018-11-18 13:18:29,762 INFO L421 ceAbstractionStarter]: At program point L39-3(lines 39 45) the Hoare annotation is: (and (exists ((v_prenex_7 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_7 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_7)) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|))) (exists ((v_prenex_7 (_ BitVec 64))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_7)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)) |trunc_double_#in~x|)))) [2018-11-18 13:18:29,766 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,775 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,775 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,775 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,780 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,780 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,780 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,780 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,783 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,783 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,783 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,784 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,784 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,784 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,784 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,784 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,788 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,788 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,788 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,788 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,789 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,789 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,789 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,790 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,790 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,790 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,790 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,790 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,790 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,791 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,791 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,791 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,792 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,792 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,792 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,792 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,792 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,792 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,793 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,793 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,793 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,793 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,793 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,793 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,794 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,794 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,794 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,794 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,795 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,795 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,795 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,795 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,795 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,795 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,795 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,796 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:18:29 BoogieIcfgContainer [2018-11-18 13:18:29,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:18:29,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:18:29,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:18:29,798 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:18:29,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:23" (3/4) ... [2018-11-18 13:18:29,802 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:18:29,807 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 13:18:29,807 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:18:29,808 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-11-18 13:18:29,808 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:18:29,808 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_double [2018-11-18 13:18:29,812 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2018-11-18 13:18:29,813 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 13:18:29,813 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:18:29,830 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 13:18:29,830 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 13:18:29,830 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32)) && (\exists v_prenex_8 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_8[63:32]) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 13:18:29,830 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32)) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x))) && (\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 13:18:29,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32)) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x))) && (\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) [2018-11-18 13:18:29,847 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6c828d08-1a67-4ccd-9264-8eaa7aaf72d0/bin-2019/uautomizer/witness.graphml [2018-11-18 13:18:29,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:18:29,847 INFO L168 Benchmark]: Toolchain (without parser) took 7371.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -231.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:18:29,848 INFO L168 Benchmark]: CDTParser took 0.14 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 13:18:29,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.04 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:29,848 INFO L168 Benchmark]: Boogie Preprocessor took 37.40 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:18:29,849 INFO L168 Benchmark]: RCFGBuilder took 367.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:29,849 INFO L168 Benchmark]: TraceAbstraction took 6703.33 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.5 MB). Peak memory consumption was 313.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:29,849 INFO L168 Benchmark]: Witness Printer took 49.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:29,851 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 212.04 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.40 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 367.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6703.33 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.5 MB). Peak memory consumption was 313.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 86]: 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: 52]: Loop Invariant [2018-11-18 13:18:29,857 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,857 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,858 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,859 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,859 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,859 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,859 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,859 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,859 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,860 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,860 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,860 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,860 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,860 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,860 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,860 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,860 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32)) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x))) && (\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 32]: Loop Invariant [2018-11-18 13:18:29,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,863 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32)) && (\exists v_prenex_8 : bv64 :: signbit == ~bvand32(2147483648bv32, v_prenex_8[63:32]) && ~fp~LONGDOUBLE(v_prenex_8[63:63], v_prenex_8[62:52], v_prenex_8[51:0]) == \old(x))) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 39]: Loop Invariant [2018-11-18 13:18:29,864 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,864 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,864 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,864 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,864 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] [2018-11-18 13:18:29,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_7,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_7 : bv64 :: ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32)) && x == \old(x)) && (\exists v_prenex_7 : bv64 :: msw == v_prenex_7[63:32] && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x))) && (\exists v_prenex_7 : bv64 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_7[63:32]), 20bv32), 4294966273bv32), 0bv32) && ~fp~LONGDOUBLE(v_prenex_7[63:63], v_prenex_7[62:52], v_prenex_7[51:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 44 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 188 SDtfs, 121 SDslu, 710 SDs, 0 SdLazy, 286 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=3, 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, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 17 PreInvPairs, 23 NumberOfFragments, 239 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 21 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 128 ConstructedInterpolants, 33 QuantifiedInterpolants, 24770 SizeOfPredicates, 24 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...