/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 70ee165c745ab937eeca69bc762f66bcb3efe6fa .................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:29:14,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:29:14,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:29:14,528 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:29:14,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:29:14,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:29:14,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:29:14,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:29:14,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:29:14,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:29:14,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:29:14,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:29:14,538 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:29:14,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:29:14,540 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:29:14,541 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:29:14,542 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:29:14,544 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:29:14,547 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:29:14,549 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:29:14,550 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:29:14,551 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:29:14,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:29:14,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:29:14,555 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:29:14,556 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:29:14,562 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:29:14,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:29:14,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:29:14,567 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:29:14,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:29:14,568 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:29:14,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:29:14,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:29:14,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:29:14,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:29:14,574 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:29:14,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:29:14,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:29:14,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:29:14,608 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:29:14,608 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:29:14,610 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:29:14,610 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:29:14,611 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:29:14,611 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:29:14,611 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:29:14,611 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:29:14,611 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:29:14,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:29:14,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:29:14,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:29:14,613 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:29:14,613 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:29:14,615 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:29:14,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:29:14,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:29:14,616 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:29:14,616 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:29:14,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:29:14,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:29:14,616 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:29:14,617 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:29:14,617 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:29:14,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:29:14,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:29:14,617 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-09-20 15:29:14,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:29:14,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:29:14,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:29:14,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:29:14,708 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:29:14,709 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-09-20 15:29:15,051 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4553a6d16/59580cb796c549c6a827bedb8deb398e/FLAG2be149657 [2018-09-20 15:29:15,263 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:29:15,264 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-09-20 15:29:15,274 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4553a6d16/59580cb796c549c6a827bedb8deb398e/FLAG2be149657 [2018-09-20 15:29:15,309 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4553a6d16/59580cb796c549c6a827bedb8deb398e [2018-09-20 15:29:15,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:29:15,321 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:29:15,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:29:15,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:29:15,331 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:29:15,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cba804d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15, skipping insertion in model container [2018-09-20 15:29:15,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,350 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:29:15,624 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:29:15,645 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:29:15,662 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:29:15,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15 WrapperNode [2018-09-20 15:29:15,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:29:15,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:29:15,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:29:15,697 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:29:15,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (1/1) ... [2018-09-20 15:29:15,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:29:15,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:29:15,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:29:15,742 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:29:15,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:29:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:29:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:29:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:29:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:29:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:29:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:29:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:29:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:29:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:29:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:29:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:29:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:29:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:29:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:29:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:29:15,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:29:15,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:29:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:29:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:29:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:29:16,318 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:29:16,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:16 BoogieIcfgContainer [2018-09-20 15:29:16,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:29:16,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:29:16,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:29:16,323 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:29:16,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:29:15" (1/3) ... [2018-09-20 15:29:16,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2e8103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:29:16, skipping insertion in model container [2018-09-20 15:29:16,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:15" (2/3) ... [2018-09-20 15:29:16,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2e8103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:29:16, skipping insertion in model container [2018-09-20 15:29:16,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:16" (3/3) ... [2018-09-20 15:29:16,327 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010_true-unreach-call.c [2018-09-20 15:29:16,337 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:29:16,347 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:29:16,403 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:29:16,404 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:29:16,404 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:29:16,404 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:29:16,404 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:29:16,405 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:29:16,405 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:29:16,405 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:29:16,405 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:29:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-09-20 15:29:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 15:29:16,431 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:16,432 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:16,434 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:16,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1618038017, now seen corresponding path program 1 times [2018-09-20 15:29:16,442 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:29:16,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:29:16,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:29:16,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:16,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:29:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:29:16,581 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:16,582 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:29:16,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:29:16,598 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:29:16,598 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:29:16,600 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-09-20 15:29:16,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:16,623 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2018-09-20 15:29:16,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:29:16,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 15:29:16,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:16,635 INFO L225 Difference]: With dead ends: 80 [2018-09-20 15:29:16,635 INFO L226 Difference]: Without dead ends: 40 [2018-09-20 15:29:16,639 INFO L606 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 [2018-09-20 15:29:16,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-09-20 15:29:16,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-09-20 15:29:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-09-20 15:29:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-09-20 15:29:16,679 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 21 [2018-09-20 15:29:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:16,680 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-09-20 15:29:16,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:29:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-09-20 15:29:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-20 15:29:16,682 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:16,682 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:16,682 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:16,683 INFO L82 PathProgramCache]: Analyzing trace with hash -2024070715, now seen corresponding path program 1 times [2018-09-20 15:29:16,683 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:29:16,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:29:16,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:29:16,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:16,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:29:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:29:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:29:16,849 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:29:16,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:29:16 BoogieIcfgContainer [2018-09-20 15:29:16,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:29:16,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:29:16,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:29:16,890 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:29:16,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:16" (3/4) ... [2018-09-20 15:29:16,895 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:29:16,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:29:16,896 INFO L168 Benchmark]: Toolchain (without parser) took 1580.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -110.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:16,898 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-20 15:29:16,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.77 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:16,900 INFO L168 Benchmark]: Boogie Preprocessor took 44.92 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:29:16,900 INFO L168 Benchmark]: RCFGBuilder took 576.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:16,902 INFO L168 Benchmark]: TraceAbstraction took 569.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:16,902 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:29:16,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 373.77 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.92 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 576.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 569.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L35] float x = 0.0f / 0.0f; [L36] CALL, EXPR fabs_float(x) VAL [\old(x)=11] [L15] __uint32_t ix; VAL [\old(x)=11, x=11] [L17] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=11, gf_u={6:0}, x=11] [L18] FCALL gf_u.value = (x) VAL [\old(x)=11, gf_u={6:0}, x=11] [L19] EXPR, FCALL gf_u.word VAL [\old(x)=11, gf_u={6:0}, gf_u.word=9, x=11] [L19] (ix) = gf_u.word VAL [\old(x)=11, gf_u={6:0}, gf_u.word=9, ix=9, x=11] [L19] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10, \old(x)=11, gf_u={6:0}, gf_u.word=9, ix=9, x=11] [L20] COND FALSE !(0) VAL [\old(x)=11, ix=9, x=11] [L22] FCALL ieee_float_shape_type sf_u; VAL [\old(x)=11, ix=9, sf_u={6:0}, x=11] [L23] FCALL sf_u.word = (ix & 0x7fffffff) VAL [\old(x)=11, ix=9, sf_u={6:0}, x=11] [L24] EXPR, FCALL sf_u.value VAL [\old(x)=11, ix=9, sf_u={6:0}, sf_u.value=10, x=11] [L24] (x) = sf_u.value VAL [\old(x)=11, ix=9, sf_u={6:0}, sf_u.value=10, x=10] [L24] FCALL (x) = sf_u.value VAL [(x) = sf_u.value=7, \old(x)=11, ix=9, sf_u={6:0}, sf_u.value=10, x=10] [L25] COND FALSE !(0) VAL [\old(x)=11, ix=9, x=10] [L26] RET return x; VAL [\old(x)=11, \result=10, ix=9, x=10] [L36] EXPR fabs_float(x) VAL [fabs_float(x)=10, x=11] [L36] float res = fabs_float(x); [L39] CALL, EXPR isnan_float(res) VAL [\old(x)=10] [L12] RET return x != x; VAL [\old(x)=10, \result=0, x=10] [L39] EXPR isnan_float(res) VAL [isnan_float(res)=0, res=10, x=11] [L39] COND TRUE !isnan_float(res) [L40] __VERIFIER_error() VAL [res=10, x=11] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 44 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 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=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 0.1.23-40ef509 [2018-09-20 15:29:19,337 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:29:19,340 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:29:19,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:29:19,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:29:19,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:29:19,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:29:19,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:29:19,359 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:29:19,360 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:29:19,361 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:29:19,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:29:19,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:29:19,364 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:29:19,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:29:19,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:29:19,367 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:29:19,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:29:19,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:29:19,373 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:29:19,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:29:19,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:29:19,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:29:19,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:29:19,380 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:29:19,381 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:29:19,382 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:29:19,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:29:19,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:29:19,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:29:19,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:29:19,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:29:19,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:29:19,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:29:19,389 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:29:19,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:29:19,390 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:29:19,406 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:29:19,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:29:19,408 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:29:19,408 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:29:19,409 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:29:19,409 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:29:19,409 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:29:19,410 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:29:19,410 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:29:19,410 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:29:19,410 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:29:19,410 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:29:19,411 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:29:19,411 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:29:19,411 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:29:19,412 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:29:19,412 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:29:19,412 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:29:19,412 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:29:19,413 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:29:19,413 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:29:19,414 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:29:19,414 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:29:19,414 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:29:19,414 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:29:19,414 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:29:19,414 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:29:19,415 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:29:19,415 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:29:19,415 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:29:19,415 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:29:19,415 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-09-20 15:29:19,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:29:19,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:29:19,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:29:19,503 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:29:19,504 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:29:19,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-09-20 15:29:19,853 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700c43272/faeb78650980486598e4c58bea71f270/FLAGd77edbb7d [2018-09-20 15:29:20,050 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:29:20,051 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-09-20 15:29:20,057 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700c43272/faeb78650980486598e4c58bea71f270/FLAGd77edbb7d [2018-09-20 15:29:20,074 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700c43272/faeb78650980486598e4c58bea71f270 [2018-09-20 15:29:20,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:29:20,082 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:29:20,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:29:20,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:29:20,090 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:29:20,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee5304a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20, skipping insertion in model container [2018-09-20 15:29:20,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,107 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:29:20,329 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:29:20,350 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:29:20,362 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:29:20,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20 WrapperNode [2018-09-20 15:29:20,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:29:20,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:29:20,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:29:20,395 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:29:20,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (1/1) ... [2018-09-20 15:29:20,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:29:20,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:29:20,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:29:20,445 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:29:20,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:29:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:29:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:29:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:29:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:29:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:29:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:29:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:29:20,887 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:20,934 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:21,080 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:29:21,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:21 BoogieIcfgContainer [2018-09-20 15:29:21,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:29:21,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:29:21,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:29:21,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:29:21,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:29:20" (1/3) ... [2018-09-20 15:29:21,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7706a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:29:21, skipping insertion in model container [2018-09-20 15:29:21,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:29:20" (2/3) ... [2018-09-20 15:29:21,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7706a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:29:21, skipping insertion in model container [2018-09-20 15:29:21,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:21" (3/3) ... [2018-09-20 15:29:21,090 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010_true-unreach-call.c [2018-09-20 15:29:21,102 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:29:21,114 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:29:21,172 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:29:21,173 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:29:21,173 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:29:21,173 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:29:21,173 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:29:21,173 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:29:21,173 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:29:21,174 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:29:21,174 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:29:21,195 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-09-20 15:29:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-20 15:29:21,208 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:21,209 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:21,214 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:21,220 INFO L82 PathProgramCache]: Analyzing trace with hash 417414279, now seen corresponding path program 1 times [2018-09-20 15:29:21,226 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:21,227 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:29:21,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:29:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:21,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:29:21,325 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:21,339 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:21,339 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:29:21,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:29:21,355 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:29:21,356 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:29:21,359 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2018-09-20 15:29:21,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:21,383 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2018-09-20 15:29:21,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:29:21,385 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-20 15:29:21,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:21,395 INFO L225 Difference]: With dead ends: 78 [2018-09-20 15:29:21,396 INFO L226 Difference]: Without dead ends: 39 [2018-09-20 15:29:21,402 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:29:21,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-09-20 15:29:21,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-09-20 15:29:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-09-20 15:29:21,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2018-09-20 15:29:21,443 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 20 [2018-09-20 15:29:21,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:21,444 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2018-09-20 15:29:21,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:29:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2018-09-20 15:29:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-20 15:29:21,446 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:21,446 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:21,447 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:21,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1999044579, now seen corresponding path program 1 times [2018-09-20 15:29:21,448 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:21,448 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:29:21,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:21,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:21,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:29:21,749 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:29:21,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:21,756 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:21,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:21,781 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:29:21,837 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 29 treesize of output 21 [2018-09-20 15:29:21,860 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 21 treesize of output 9 [2018-09-20 15:29:21,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:21,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:21,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:21,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:29:22,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 13 treesize of output 10 [2018-09-20 15:29:22,163 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-09-20 15:29:22,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:22,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:22,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:29:22,203 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2018-09-20 15:29:22,253 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 31 treesize of output 23 [2018-09-20 15:29:22,259 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 23 treesize of output 15 [2018-09-20 15:29:22,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:22,285 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:22,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:29:22,312 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:25 [2018-09-20 15:29:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:29:23,377 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:23,394 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:23,394 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-20 15:29:23,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-20 15:29:23,397 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-20 15:29:23,398 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-09-20 15:29:23,398 INFO L87 Difference]: Start difference. First operand 39 states and 38 transitions. Second operand 15 states. [2018-09-20 15:29:24,101 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 15:29:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:25,348 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2018-09-20 15:29:25,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-20 15:29:25,348 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2018-09-20 15:29:25,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:25,350 INFO L225 Difference]: With dead ends: 39 [2018-09-20 15:29:25,350 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:29:25,352 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2018-09-20 15:29:25,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:29:25,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:29:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:29:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:29:25,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-09-20 15:29:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:25,354 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:29:25,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-20 15:29:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:29:25,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:29:25,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:29:25,492 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 12) no Hoare annotation was computed. [2018-09-20 15:29:25,492 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 12) the Hoare annotation is: true [2018-09-20 15:29:25,492 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 12) no Hoare annotation was computed. [2018-09-20 15:29:25,492 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:29:25,493 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:29:25,493 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:29:25,493 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2018-09-20 15:29:25,493 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 15:29:25,493 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2018-09-20 15:29:25,493 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-20 15:29:25,494 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 14 27) no Hoare annotation was computed. [2018-09-20 15:29:25,494 INFO L426 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-09-20 15:29:25,494 INFO L426 ceAbstractionStarter]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2018-09-20 15:29:25,494 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 15:29:25,494 INFO L426 ceAbstractionStarter]: For program point L19-2(line 19) no Hoare annotation was computed. [2018-09-20 15:29:25,494 INFO L426 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-09-20 15:29:25,497 INFO L426 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-09-20 15:29:25,498 INFO L426 ceAbstractionStarter]: For program point L17-3(line 17) no Hoare annotation was computed. [2018-09-20 15:29:25,498 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2018-09-20 15:29:25,498 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 15:29:25,498 INFO L426 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-09-20 15:29:25,498 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2018-09-20 15:29:25,498 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 15:29:25,499 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-20 15:29:25,499 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-20 15:29:25,499 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-20 15:29:25,499 INFO L426 ceAbstractionStarter]: For program point L22-3(line 22) no Hoare annotation was computed. [2018-09-20 15:29:25,499 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:29:25,499 INFO L426 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-09-20 15:29:25,499 INFO L422 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: (= fabs_float_~x |fabs_float_#in~x|) [2018-09-20 15:29:25,500 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:29:25,500 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:29:25,500 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:29:25,500 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:29:25,500 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 29 45) the Hoare annotation is: true [2018-09-20 15:29:25,500 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 29 45) no Hoare annotation was computed. [2018-09-20 15:29:25,500 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2018-09-20 15:29:25,501 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 29 45) no Hoare annotation was computed. [2018-09-20 15:29:25,501 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-20 15:29:25,501 INFO L422 ceAbstractionStarter]: At program point L39(line 39) the Hoare annotation is: (and (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) (exists ((fabs_float_~ix~0 (_ BitVec 32))) (and (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) fabs_float_~ix~0) ((_ extract 30 23) fabs_float_~ix~0) ((_ extract 22 0) fabs_float_~ix~0))) (= main_~res~0 (let ((.cse0 (bvand fabs_float_~ix~0 (_ bv2147483647 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))))) [2018-09-20 15:29:25,501 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 39 42) no Hoare annotation was computed. [2018-09-20 15:29:25,501 INFO L422 ceAbstractionStarter]: At program point L36(line 36) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-20 15:29:25,502 INFO L426 ceAbstractionStarter]: For program point L36-1(line 36) no Hoare annotation was computed. [2018-09-20 15:29:25,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:29:25 BoogieIcfgContainer [2018-09-20 15:29:25,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:29:25,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:29:25,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:29:25,516 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:29:25,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:21" (3/4) ... [2018-09-20 15:29:25,521 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:29:25,529 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:29:25,529 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:29:25,529 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:29:25,530 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:29:25,535 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-20 15:29:25,535 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-09-20 15:29:25,536 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:29:25,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-09-20 15:29:25,592 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:29:25,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:29:25,593 INFO L168 Benchmark]: Toolchain (without parser) took 5514.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.8 MB in the beginning and 967.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 129.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:25,594 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-20 15:29:25,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:25,595 INFO L168 Benchmark]: Boogie Preprocessor took 49.51 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:29:25,596 INFO L168 Benchmark]: RCFGBuilder took 635.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:25,596 INFO L168 Benchmark]: TraceAbstraction took 4434.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.0 MB in the end (delta: 152.0 MB). Peak memory consumption was 152.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:25,597 INFO L168 Benchmark]: Witness Printer took 75.88 ms. Allocated memory is still 1.2 GB. Free memory is still 967.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:29:25,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 311.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.51 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 635.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4434.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.0 MB in the end (delta: 152.0 MB). Peak memory consumption was 152.0 MB. Max. memory is 11.5 GB. * Witness Printer took 75.88 ms. Allocated memory is still 1.2 GB. Free memory is still 967.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: 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: 16]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 66 SDtfs, 25 SDslu, 259 SDs, 0 SdLazy, 156 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 12 NumberOfFragments, 51 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 56 ConstructedInterpolants, 12 QuantifiedInterpolants, 17973 SizeOfPredicates, 14 NumberOfNonLiveVariables, 118 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...