/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0621b_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_0621b_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 53ee99fff779a5c6f230b5ead8806e6c8136f784 ........................................................................................................................................................................................................................................................................................................................................................................................................ 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_0621b_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 53ee99fff779a5c6f230b5ead8806e6c8136f784 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:14:11,647 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:14:11,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:14:11,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:14:11,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:14:11,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:14:11,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:14:11,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:14:11,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:14:11,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:14:11,679 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:14:11,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:14:11,680 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:14:11,681 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:14:11,683 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:14:11,683 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:14:11,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:14:11,686 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:14:11,688 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:14:11,690 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:14:11,691 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:14:11,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:14:11,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:14:11,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:14:11,696 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:14:11,697 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:14:11,698 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:14:11,699 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:14:11,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:14:11,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:14:11,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:14:11,702 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:14:11,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:14:11,702 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:14:11,703 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:14:11,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:14:11,704 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:14:11,721 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:14:11,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:14:11,722 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:14:11,722 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:14:11,723 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:14:11,723 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:14:11,723 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:14:11,723 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:14:11,723 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:14:11,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:14:11,724 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:14:11,724 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:14:11,724 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:14:11,724 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:14:11,724 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:14:11,724 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:14:11,725 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:14:11,725 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:14:11,725 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:14:11,725 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:14:11,725 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:14:11,726 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:14:11,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:14:11,726 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:14:11,726 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:14:11,726 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:14:11,726 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:14:11,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:14:11,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:14:11,727 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 -> 53ee99fff779a5c6f230b5ead8806e6c8136f784 [2018-09-20 15:14:11,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:14:11,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:14:11,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:14:11,797 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:14:11,798 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:14:11,799 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0621b_true-unreach-call.c [2018-09-20 15:14:12,172 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca26ac25c/31b28529aead45ce9b3e593626d2698c/FLAG7455e08b1 [2018-09-20 15:14:12,357 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:14:12,358 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0621b_true-unreach-call.c [2018-09-20 15:14:12,367 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca26ac25c/31b28529aead45ce9b3e593626d2698c/FLAG7455e08b1 [2018-09-20 15:14:12,388 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca26ac25c/31b28529aead45ce9b3e593626d2698c [2018-09-20 15:14:12,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:14:12,396 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:14:12,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:14:12,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:14:12,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:14:12,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e4bc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12, skipping insertion in model container [2018-09-20 15:14:12,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,421 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:14:12,696 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:14:12,720 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:14:12,771 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:14:12,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12 WrapperNode [2018-09-20 15:14:12,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:14:12,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:14:12,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:14:12,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:14:12,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (1/1) ... [2018-09-20 15:14:12,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:14:12,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:14:12,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:14:12,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:14:12,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (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 15:14:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-20 15:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:14:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:14:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-20 15:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:14:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:14:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:14:13,703 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:14:13,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:13 BoogieIcfgContainer [2018-09-20 15:14:13,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:14:13,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:14:13,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:14:13,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:14:13,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:14:12" (1/3) ... [2018-09-20 15:14:13,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c6a99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:14:13, skipping insertion in model container [2018-09-20 15:14:13,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:12" (2/3) ... [2018-09-20 15:14:13,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c6a99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:14:13, skipping insertion in model container [2018-09-20 15:14:13,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:13" (3/3) ... [2018-09-20 15:14:13,713 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b_true-unreach-call.c [2018-09-20 15:14:13,723 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:14:13,732 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:14:13,780 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:14:13,781 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:14:13,781 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:14:13,781 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:14:13,781 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:14:13,782 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:14:13,782 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:14:13,782 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:14:13,782 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:14:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-09-20 15:14:13,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 15:14:13,815 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:13,816 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:14:13,819 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:13,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1907182082, now seen corresponding path program 1 times [2018-09-20 15:14:13,827 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:14:13,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:14:13,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:14:13,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:13,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:14:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:14,016 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 15:14:14,019 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:14:14,020 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:14:14,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:14:14,035 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:14:14,037 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:14:14,039 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-09-20 15:14:14,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:14:14,071 INFO L93 Difference]: Finished difference Result 130 states and 165 transitions. [2018-09-20 15:14:14,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:14:14,073 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 15:14:14,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:14:14,084 INFO L225 Difference]: With dead ends: 130 [2018-09-20 15:14:14,085 INFO L226 Difference]: Without dead ends: 65 [2018-09-20 15:14:14,089 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 15:14:14,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-09-20 15:14:14,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-09-20 15:14:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-20 15:14:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2018-09-20 15:14:14,141 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 17 [2018-09-20 15:14:14,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:14:14,142 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2018-09-20 15:14:14,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:14:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2018-09-20 15:14:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-20 15:14:14,143 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:14,143 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] [2018-09-20 15:14:14,144 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:14,144 INFO L82 PathProgramCache]: Analyzing trace with hash -26949235, now seen corresponding path program 1 times [2018-09-20 15:14:14,144 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:14:14,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:14:14,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:14:14,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:14,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:14:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:14:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:14:14,324 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:14:14,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:14:14 BoogieIcfgContainer [2018-09-20 15:14:14,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:14:14,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:14:14,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:14:14,380 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:14:14,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:13" (3/4) ... [2018-09-20 15:14:14,385 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:14:14,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:14:14,386 INFO L168 Benchmark]: Toolchain (without parser) took 1992.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:14,387 INFO L168 Benchmark]: CDTParser took 0.22 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 15:14:14,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.38 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:14,389 INFO L168 Benchmark]: Boogie Preprocessor took 74.63 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:14,390 INFO L168 Benchmark]: RCFGBuilder took 814.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:14,391 INFO L168 Benchmark]: TraceAbstraction took 674.13 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:14,391 INFO L168 Benchmark]: Witness Printer took 4.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:14,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 416.38 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.63 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 814.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 674.13 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 130]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 129, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticFLOAToperation at line 68. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L52-L54] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [\old(huge_atan)=26, \old(huge_floor)=22, \old(one_atan)=13, \old(pi)=23, \old(pi_o_2)=14, \old(pi_o_4)=19, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L126] float x = -1.0f / 0.0f; VAL [huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L127] CALL, EXPR atan_float(x) VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L57] float w, s1, s2, z; [L58] __int32_t ix, hx, id; VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L61] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=21, gf_u={17:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L62] FCALL gf_u.value = (x) VAL [\old(x)=21, gf_u={17:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L63] EXPR, FCALL gf_u.word VAL [\old(x)=21, gf_u={17:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L63] (hx) = gf_u.word VAL [\old(x)=21, gf_u={17:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L63] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=20, \old(x)=21, gf_u={17:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L64] COND FALSE !(0) VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L65] ix = hx & 0x7fffffff VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L66] COND TRUE ix >= 0x50800000 VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L67] COND TRUE ((ix) > 0x7f800000L) [L68] RET return x + x; VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L127] EXPR atan_float(x) VAL [atan_float(x)=18, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L127] float res = atan_float(x); [L129] COND TRUE res != -pi_o_2 VAL [huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=18, x=21] [L130] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=18, x=21] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 72 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 79 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=69occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 15:14:16,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:14:16,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:14:16,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:14:16,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:14:16,892 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:14:16,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:14:16,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:14:16,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:14:16,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:14:16,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:14:16,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:14:16,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:14:16,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:14:16,915 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:14:16,916 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:14:16,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:14:16,921 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:14:16,925 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:14:16,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:14:16,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:14:16,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:14:16,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:14:16,936 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:14:16,936 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:14:16,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:14:16,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:14:16,940 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:14:16,940 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:14:16,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:14:16,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:14:16,945 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:14:16,945 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:14:16,945 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:14:16,946 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:14:16,950 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:14:16,951 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:14:16,979 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:14:16,980 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:14:16,981 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:14:16,981 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:14:16,982 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:14:16,982 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:14:16,982 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:14:16,983 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:14:16,983 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:14:16,983 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:14:16,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:14:16,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:14:16,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:14:16,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:14:16,984 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:14:16,984 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:14:16,984 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:14:16,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:14:16,985 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:14:16,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:14:16,986 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:14:16,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:14:16,986 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:14:16,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:14:16,987 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:14:16,987 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:14:16,987 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:14:16,987 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:14:16,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:14:16,988 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:14:16,988 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:14:16,988 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 -> 53ee99fff779a5c6f230b5ead8806e6c8136f784 [2018-09-20 15:14:17,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:14:17,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:14:17,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:14:17,098 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:14:17,099 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:14:17,099 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0621b_true-unreach-call.c [2018-09-20 15:14:17,448 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03bada81/25c583e267e943e1b6674031076c7624/FLAGe6eed77a9 [2018-09-20 15:14:17,596 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:14:17,597 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0621b_true-unreach-call.c [2018-09-20 15:14:17,605 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03bada81/25c583e267e943e1b6674031076c7624/FLAGe6eed77a9 [2018-09-20 15:14:17,622 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03bada81/25c583e267e943e1b6674031076c7624 [2018-09-20 15:14:17,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:14:17,630 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:14:17,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:14:17,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:14:17,638 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:14:17,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:14:17" (1/1) ... [2018-09-20 15:14:17,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348fd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:17, skipping insertion in model container [2018-09-20 15:14:17,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:14:17" (1/1) ... [2018-09-20 15:14:17,655 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:14:17,934 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:14:17,959 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:14:17,994 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:14:18,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18 WrapperNode [2018-09-20 15:14:18,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:14:18,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:14:18,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:14:18,034 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:14:18,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (1/1) ... [2018-09-20 15:14:18,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (1/1) ... [2018-09-20 15:14:18,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (1/1) ... [2018-09-20 15:14:18,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (1/1) ... [2018-09-20 15:14:18,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (1/1) ... [2018-09-20 15:14:18,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (1/1) ... [2018-09-20 15:14:18,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (1/1) ... [2018-09-20 15:14:18,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:14:18,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:14:18,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:14:18,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:14:18,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (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 15:14:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:14:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:14:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:14:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:14:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-20 15:14:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:14:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:14:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:14:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:14:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:14:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:14:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:14:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:14:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:14:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:14:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:14:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-20 15:14:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:14:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:14:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:14:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:14:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:14:20,622 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:14:20,641 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:14:21,000 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:14:23,187 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:14:28,097 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:14:28,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:28 BoogieIcfgContainer [2018-09-20 15:14:28,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:14:28,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:14:28,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:14:28,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:14:28,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:14:17" (1/3) ... [2018-09-20 15:14:28,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3700258a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:14:28, skipping insertion in model container [2018-09-20 15:14:28,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:18" (2/3) ... [2018-09-20 15:14:28,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3700258a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:14:28, skipping insertion in model container [2018-09-20 15:14:28,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:28" (3/3) ... [2018-09-20 15:14:28,105 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b_true-unreach-call.c [2018-09-20 15:14:28,115 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:14:28,123 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:14:28,180 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:14:28,181 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:14:28,183 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:14:28,183 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:14:28,183 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:14:28,183 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:14:28,183 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:14:28,183 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:14:28,183 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:14:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-09-20 15:14:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 15:14:28,216 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:28,217 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:14:28,220 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:28,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1907182082, now seen corresponding path program 1 times [2018-09-20 15:14:28,231 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:14:28,232 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 15:14:28,242 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 15:14:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:28,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:14:28,375 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 15:14:28,375 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:14:28,390 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:14:28,390 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:14:28,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:14:28,405 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:14:28,406 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:14:28,408 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-09-20 15:14:28,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:14:28,437 INFO L93 Difference]: Finished difference Result 130 states and 165 transitions. [2018-09-20 15:14:28,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:14:28,439 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 15:14:28,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:14:28,450 INFO L225 Difference]: With dead ends: 130 [2018-09-20 15:14:28,451 INFO L226 Difference]: Without dead ends: 65 [2018-09-20 15:14:28,455 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 15:14:28,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-09-20 15:14:28,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-09-20 15:14:28,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-20 15:14:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2018-09-20 15:14:28,502 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 17 [2018-09-20 15:14:28,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:14:28,502 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2018-09-20 15:14:28,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:14:28,503 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2018-09-20 15:14:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-20 15:14:28,504 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:28,504 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] [2018-09-20 15:14:28,505 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:28,505 INFO L82 PathProgramCache]: Analyzing trace with hash -26949235, now seen corresponding path program 1 times [2018-09-20 15:14:28,507 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:14:28,507 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 15:14:28,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:28,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:14:28,720 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 15:14:28,737 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 15:14:28,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:14:28,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:14:28,843 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 15:14:28,844 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:14:28,970 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 15:14:28,990 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 15:14:28,990 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:14:28,997 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:14:29,001 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 15:14:29,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:14:29,441 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 15:14:29,441 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:14:29,455 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:14:29,456 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:14:29,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:14:29,461 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:14:29,461 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:14:29,462 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand 9 states. [2018-09-20 15:14:44,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:14:44,866 INFO L93 Difference]: Finished difference Result 74 states and 83 transitions. [2018-09-20 15:14:44,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:14:44,932 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-09-20 15:14:44,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:14:44,937 INFO L225 Difference]: With dead ends: 74 [2018-09-20 15:14:44,937 INFO L226 Difference]: Without dead ends: 68 [2018-09-20 15:14:44,938 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:14:44,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-09-20 15:14:44,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2018-09-20 15:14:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-20 15:14:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2018-09-20 15:14:44,950 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 26 [2018-09-20 15:14:44,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:14:44,951 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2018-09-20 15:14:44,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:14:44,951 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2018-09-20 15:14:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:14:44,953 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:44,953 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] [2018-09-20 15:14:44,954 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:44,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1376969991, now seen corresponding path program 1 times [2018-09-20 15:14:44,955 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:14:44,956 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:14:44,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:45,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:14:45,084 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 15:14:45,088 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 15:14:45,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:14:45,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:14:45,106 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 15:14:45,107 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:14:45,131 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 15:14:45,138 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 15:14:45,138 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:14:45,142 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:14:45,146 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 15:14:45,146 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:14:45,247 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 15:14:45,248 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:14:45,262 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:14:45,263 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:14:45,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:14:45,263 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:14:45,264 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:14:45,264 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand 8 states. [2018-09-20 15:14:57,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:14:57,704 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2018-09-20 15:14:57,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:14:57,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-09-20 15:14:57,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:14:57,771 INFO L225 Difference]: With dead ends: 74 [2018-09-20 15:14:57,771 INFO L226 Difference]: Without dead ends: 68 [2018-09-20 15:14:57,772 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:14:57,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-09-20 15:14:57,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2018-09-20 15:14:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-20 15:14:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2018-09-20 15:14:57,783 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 27 [2018-09-20 15:14:57,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:14:57,783 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2018-09-20 15:14:57,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:14:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2018-09-20 15:14:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:14:57,786 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:57,786 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] [2018-09-20 15:14:57,786 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:57,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1348340840, now seen corresponding path program 1 times [2018-09-20 15:14:57,787 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:14:57,787 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:14:57,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:57,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:14:59,921 INFO L303 Elim1Store]: Index analysis took 2024 ms [2018-09-20 15:14:59,922 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 31 treesize of output 34 [2018-09-20 15:15:03,163 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0))) (select v_arrayElimArr_1 (_ bv0 32))) [2018-09-20 15:15:03,164 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:03,167 INFO L303 Elim1Store]: Index analysis took 3243 ms [2018-09-20 15:15:03,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 46 [2018-09-20 15:15:06,617 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_2 (_ bv1 32)) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-20 15:15:06,618 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:08,627 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select v_arrayElimArr_2 (_ bv1 32))) [2018-09-20 15:15:08,628 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:09,902 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:09,905 INFO L303 Elim1Store]: Index analysis took 6733 ms [2018-09-20 15:15:09,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 76 [2018-09-20 15:15:13,142 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_3 (_ bv0 32)) (select v_arrayElimArr_3 (_ bv1 32))) [2018-09-20 15:15:13,143 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:13,788 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:14,268 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:15,801 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:16,545 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:17,275 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:17,278 INFO L303 Elim1Store]: Index analysis took 7369 ms [2018-09-20 15:15:17,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 121 [2018-09-20 15:15:17,283 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:26,183 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:32,792 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:37,726 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:47,289 INFO L303 Elim1Store]: Index analysis took 625 ms [2018-09-20 15:15:47,290 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 31 treesize of output 34 [2018-09-20 15:15:47,546 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:47,548 INFO L303 Elim1Store]: Index analysis took 255 ms [2018-09-20 15:15:47,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 46 [2018-09-20 15:15:47,956 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,092 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,290 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,293 INFO L303 Elim1Store]: Index analysis took 741 ms [2018-09-20 15:15:48,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 76 [2018-09-20 15:15:48,377 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,426 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,456 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,485 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,503 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,542 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:48,544 INFO L303 Elim1Store]: Index analysis took 246 ms [2018-09-20 15:15:48,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 121 [2018-09-20 15:15:48,547 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:48,708 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:48,779 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:48,853 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:48,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:48,998 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:70, output treesize:80 [2018-09-20 15:15:49,213 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-09-20 15:15:49,631 WARN L178 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-09-20 15:15:49,660 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,666 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,670 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,675 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,684 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,689 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 62 [2018-09-20 15:15:49,695 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:49,983 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,984 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,986 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,993 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,995 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,996 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:49,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 64 [2018-09-20 15:15:50,002 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:50,028 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:50,028 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:23 [2018-09-20 15:15:50,146 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 15:15:50,146 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:15:50,161 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:15:50,161 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 15:15:50,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 15:15:50,163 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 15:15:50,163 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-20 15:15:50,163 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand 6 states. [2018-09-20 15:15:56,941 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-09-20 15:15:57,175 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-09-20 15:15:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:15:59,743 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2018-09-20 15:15:59,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-20 15:15:59,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-09-20 15:15:59,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:15:59,748 INFO L225 Difference]: With dead ends: 71 [2018-09-20 15:15:59,748 INFO L226 Difference]: Without dead ends: 63 [2018-09-20 15:15:59,749 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:15:59,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-09-20 15:15:59,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-09-20 15:15:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-09-20 15:15:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2018-09-20 15:15:59,764 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 27 [2018-09-20 15:15:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:15:59,764 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2018-09-20 15:15:59,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 15:15:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2018-09-20 15:15:59,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-20 15:15:59,766 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:15:59,767 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] [2018-09-20 15:15:59,767 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:15:59,767 INFO L82 PathProgramCache]: Analyzing trace with hash -370068822, now seen corresponding path program 1 times [2018-09-20 15:15:59,768 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:15:59,768 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:15:59,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:15:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:15:59,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:15:59,894 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 15:15:59,901 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 15:15:59,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:59,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:59,920 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 15:15:59,921 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:15:59,961 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 15:15:59,977 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 15:15:59,978 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:00,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:00,006 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 15:16:00,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:16:00,152 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 15:16:00,152 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:16:00,162 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:16:00,163 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:16:00,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:16:00,163 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:16:00,164 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:16:00,164 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand 9 states. [2018-09-20 15:16:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:11,349 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-09-20 15:16:11,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:16:11,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-09-20 15:16:11,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:11,416 INFO L225 Difference]: With dead ends: 71 [2018-09-20 15:16:11,416 INFO L226 Difference]: Without dead ends: 65 [2018-09-20 15:16:11,417 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:16:11,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-09-20 15:16:11,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-09-20 15:16:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-09-20 15:16:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2018-09-20 15:16:11,431 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 28 [2018-09-20 15:16:11,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:11,432 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2018-09-20 15:16:11,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:16:11,432 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2018-09-20 15:16:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:16:11,434 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:11,446 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] [2018-09-20 15:16:11,447 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:11,447 INFO L82 PathProgramCache]: Analyzing trace with hash 769793096, now seen corresponding path program 1 times [2018-09-20 15:16:11,447 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:16:11,447 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:16:11,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:16:12,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:16:12,630 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 15:16:12,634 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 15:16:12,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:12,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:12,649 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 15:16:12,650 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:16:12,669 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 15:16:12,673 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 15:16:12,673 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:12,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:12,678 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 15:16:12,679 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:16:12,820 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 15:16:12,820 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:16:12,853 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:16:12,853 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:16:12,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:16:12,854 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:16:12,854 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:16:12,854 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 9 states. [2018-09-20 15:16:29,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:29,555 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-09-20 15:16:29,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:16:29,591 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 15:16:29,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:29,592 INFO L225 Difference]: With dead ends: 74 [2018-09-20 15:16:29,592 INFO L226 Difference]: Without dead ends: 60 [2018-09-20 15:16:29,593 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:16:29,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-09-20 15:16:29,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-09-20 15:16:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-09-20 15:16:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-09-20 15:16:29,605 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 30 [2018-09-20 15:16:29,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:29,605 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-09-20 15:16:29,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:16:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-09-20 15:16:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-20 15:16:29,608 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:29,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:16:29,608 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:29,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1965988745, now seen corresponding path program 1 times [2018-09-20 15:16:29,609 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:16:29,609 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 15:16:29,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:16:30,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:16:30,994 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 15:16:30,998 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 15:16:30,999 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:31,007 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:31,019 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 15:16:31,019 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:16:31,041 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 15:16:31,044 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 15:16:31,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:31,072 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:31,085 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 15:16:31,085 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:16:31,228 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 15:16:31,228 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:16:31,269 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:16:31,270 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:16:31,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:16:31,270 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:16:31,271 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:16:31,271 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 9 states. [2018-09-20 15:16:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:41,440 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2018-09-20 15:16:41,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:16:41,440 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2018-09-20 15:16:41,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:41,442 INFO L225 Difference]: With dead ends: 70 [2018-09-20 15:16:41,442 INFO L226 Difference]: Without dead ends: 59 [2018-09-20 15:16:41,442 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:16:41,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-09-20 15:16:41,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-09-20 15:16:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-09-20 15:16:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-09-20 15:16:41,454 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 56 [2018-09-20 15:16:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:41,455 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-09-20 15:16:41,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:16:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-20 15:16:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-20 15:16:41,457 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:41,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:16:41,458 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:41,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1811825527, now seen corresponding path program 1 times [2018-09-20 15:16:41,459 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:16:41,459 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-20 15:16:41,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:16:42,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:16:42,872 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 15:16:42,877 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 15:16:42,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:42,881 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:42,927 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 15:16:42,928 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:16:42,956 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 15:16:42,960 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 15:16:42,961 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:42,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:42,969 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 15:16:42,970 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:16:43,117 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 15:16:43,118 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:16:43,149 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:16:43,150 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:16:43,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:16:43,150 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:16:43,150 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:16:43,151 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 9 states. [2018-09-20 15:16:51,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:51,951 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-09-20 15:16:51,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:16:51,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2018-09-20 15:16:51,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:51,953 INFO L225 Difference]: With dead ends: 59 [2018-09-20 15:16:51,953 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:16:51,956 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:16:51,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:16:51,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:16:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:16:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:16:51,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2018-09-20 15:16:51,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:51,957 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:16:51,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:16:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:16:51,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:16:51,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:16:52,344 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-09-20 15:16:52,637 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 1 [2018-09-20 15:16:53,080 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2018-09-20 15:16:53,862 WARN L178 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2018-09-20 15:16:54,306 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-09-20 15:16:54,308 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 15) no Hoare annotation was computed. [2018-09-20 15:16:54,308 INFO L426 ceAbstractionStarter]: For program point isnan_floatENTRY(line 15) no Hoare annotation was computed. [2018-09-20 15:16:54,309 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 15) no Hoare annotation was computed. [2018-09-20 15:16:54,309 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:16:54,309 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:16:54,309 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:16:54,309 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 15:16:54,309 INFO L426 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-09-20 15:16:54,309 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 17 30) no Hoare annotation was computed. [2018-09-20 15:16:54,309 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L429 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 17 30) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2018-09-20 15:16:54,310 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 17 30) the Hoare annotation is: true [2018-09-20 15:16:54,310 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point L24-2(lines 17 30) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-20 15:16:54,311 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:16:54,312 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select ~atanlo_atan~0 (_ bv2 32))) (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0)))) (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0)))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))) (select ~atanhi_atan~0 (_ bv3 32))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 46364760399.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv0 32))) (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1253039561.0 250000000000000000.0)))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 98279368877.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv2 32))) (= (select ~atanhi_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 20000000000.0)))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))) (select ~atanlo_atan~0 (_ bv3 32)))) [2018-09-20 15:16:54,312 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:16:54,312 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:16:54,312 INFO L426 ceAbstractionStarter]: For program point L129(lines 129 132) no Hoare annotation was computed. [2018-09-20 15:16:54,312 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2018-09-20 15:16:54,312 INFO L422 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0))) (select ~atanlo_atan~0 (_ bv1 32)))) (not (= (select ~atanlo_atan~0 (_ bv3 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 98279368877.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1253039561.0 250000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))) (select ~atanhi_atan~0 (_ bv3 32)))) (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) (not (= (select ~atanhi_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 46364760399.0 100000000000.0))))) (not (= (select ~atanhi_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 20000000000.0)))))) [2018-09-20 15:16:54,312 INFO L426 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-09-20 15:16:54,313 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 120 135) the Hoare annotation is: true [2018-09-20 15:16:54,313 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 120 135) no Hoare annotation was computed. [2018-09-20 15:16:54,313 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 120 135) no Hoare annotation was computed. [2018-09-20 15:16:54,313 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-20 15:16:54,313 INFO L429 ceAbstractionStarter]: At program point atan_floatENTRY(lines 56 118) the Hoare annotation is: true [2018-09-20 15:16:54,313 INFO L426 ceAbstractionStarter]: For program point atan_floatFINAL(lines 56 118) no Hoare annotation was computed. [2018-09-20 15:16:54,313 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-09-20 15:16:54,313 INFO L422 ceAbstractionStarter]: At program point L60-3(lines 60 64) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (= |atan_float_#in~x| atan_float_~x) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0))) (select ~atanlo_atan~0 (_ bv1 32)))) (not (= (select ~atanlo_atan~0 (_ bv3 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 98279368877.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1253039561.0 250000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))) (select ~atanhi_atan~0 (_ bv3 32)))) (not (= (select ~atanhi_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 46364760399.0 100000000000.0))))) (not (= (select ~atanhi_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 20000000000.0)))))) [2018-09-20 15:16:54,314 INFO L426 ceAbstractionStarter]: For program point L60-4(lines 60 64) no Hoare annotation was computed. [2018-09-20 15:16:54,314 INFO L422 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0))) (select ~atanlo_atan~0 (_ bv1 32)))) (not (= (select ~atanlo_atan~0 (_ bv3 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 98279368877.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1253039561.0 250000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))) (select ~atanhi_atan~0 (_ bv3 32)))) (not (= (select ~atanhi_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 46364760399.0 100000000000.0))))) (not (= (select ~atanhi_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 20000000000.0))))) (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= (bvand atan_float_~hx~0 (_ bv2147483647 32)) atan_float_~ix~1))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (not (bvsge (bvand atan_float_~hx~0 (_ bv2147483647 32)) (_ bv1350565888 32))))) (= |atan_float_#in~x| atan_float_~x))) [2018-09-20 15:16:54,314 INFO L426 ceAbstractionStarter]: For program point L81-1(line 81) no Hoare annotation was computed. [2018-09-20 15:16:54,314 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 72) no Hoare annotation was computed. [2018-09-20 15:16:54,314 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-20 15:16:54,315 INFO L426 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-09-20 15:16:54,315 INFO L426 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-09-20 15:16:54,316 INFO L426 ceAbstractionStarter]: For program point L61-3(line 61) no Hoare annotation was computed. [2018-09-20 15:16:54,316 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 98) no Hoare annotation was computed. [2018-09-20 15:16:54,316 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 99) no Hoare annotation was computed. [2018-09-20 15:16:54,316 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 73) no Hoare annotation was computed. [2018-09-20 15:16:54,316 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-20 15:16:54,316 INFO L426 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-09-20 15:16:54,316 INFO L426 ceAbstractionStarter]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2018-09-20 15:16:54,316 INFO L426 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L116-2(line 116) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L112(lines 112 117) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L75(lines 75 78) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L67(lines 67 68) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point atan_floatEXIT(lines 56 118) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L63-2(line 63) no Hoare annotation was computed. [2018-09-20 15:16:54,317 INFO L426 ceAbstractionStarter]: For program point L76(lines 76 77) no Hoare annotation was computed. [2018-09-20 15:16:54,330 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,331 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,332 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,332 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,332 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,333 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,333 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,333 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,333 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,334 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,334 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,334 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,334 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,334 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,334 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,335 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,335 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,335 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,341 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,343 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,344 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,344 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,344 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,345 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,345 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,345 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,345 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,345 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,346 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,346 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,346 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,346 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,346 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,346 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,347 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,347 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:16:54 BoogieIcfgContainer [2018-09-20 15:16:54,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:16:54,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:16:54,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:16:54,351 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:16:54,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:28" (3/4) ... [2018-09-20 15:16:54,356 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:16:54,364 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:16:54,364 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:16:54,364 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:16:54,365 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:16:54,365 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-09-20 15:16:54,372 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-09-20 15:16:54,372 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-09-20 15:16:54,373 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:16:54,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3447321717/100000000000000000)) == atanlo_atan[2bv32]) || !(pi_o_2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/2000000000)))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 37748947079/1000000000000000000)) == atanlo_atan[1bv32])) || !(atanlo_atan[3bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 75497894159/1000000000000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 98279368877/100000000000)) == atanhi_atan[2bv32])) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1253039561/250000000000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/10000000000)) == atanhi_atan[3bv32])) || !(atanhi_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 46364760399/100000000000)))) || !(atanhi_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/20000000000))) [2018-09-20 15:16:54,464 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:16:54,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:16:54,470 INFO L168 Benchmark]: Toolchain (without parser) took 156841.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 950.5 MB in the beginning and 910.0 MB in the end (delta: 40.5 MB). Peak memory consumption was 235.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:54,470 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:16:54,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:54,471 INFO L168 Benchmark]: Boogie Preprocessor took 66.95 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:16:54,472 INFO L168 Benchmark]: RCFGBuilder took 9996.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:54,473 INFO L168 Benchmark]: TraceAbstraction took 146251.66 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 917.9 MB in the end (delta: 167.0 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:54,474 INFO L168 Benchmark]: Witness Printer took 117.71 ms. Allocated memory is still 1.2 GB. Free memory was 917.9 MB in the beginning and 910.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:54,478 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.95 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 9996.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 146251.66 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 917.9 MB in the end (delta: 167.0 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. * Witness Printer took 117.71 ms. Allocated memory is still 1.2 GB. Free memory was 917.9 MB in the beginning and 910.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant [2018-09-20 15:16:54,494 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,494 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,494 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,494 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,495 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,495 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,495 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,495 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,499 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,500 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,500 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,500 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,500 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,500 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,500 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,501 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,501 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,501 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,502 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,502 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,503 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,503 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,503 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,503 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,503 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,504 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,504 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,504 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,504 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,504 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,510 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,510 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,510 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,510 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,510 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:54,510 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3447321717/100000000000000000)) == atanlo_atan[2bv32]) || !(pi_o_2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/2000000000)))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 37748947079/1000000000000000000)) == atanlo_atan[1bv32])) || !(atanlo_atan[3bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 75497894159/1000000000000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 98279368877/100000000000)) == atanhi_atan[2bv32])) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1253039561/250000000000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/10000000000)) == atanhi_atan[3bv32])) || !(atanhi_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 46364760399/100000000000)))) || !(atanhi_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/20000000000))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 72 locations, 1 error locations. SAFE Result, 146.1s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 84.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 459 SDtfs, 366 SDslu, 1951 SDs, 0 SdLazy, 612 SolverSat, 32 SolverUnsat, 22 SolverUnknown, 0 SolverNotchecked, 78.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 307 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 411 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 911 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 54.8s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 259 ConstructedInterpolants, 40 QuantifiedInterpolants, 102825 SizeOfPredicates, 51 NumberOfNonLiveVariables, 754 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...